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ASUS N20A_MB_R1.2


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          5                                                          4                                                            3                                                   2                                                1




    N20A: PENRYN/CANTIGA/ICH9-M BLOCK DIAGRAM
                                                                                                                                                                                                    Small-Board
D                                                                                                                                                                                                                                                                                 D

                                                                                                                                                                                                    Power Switch                             LED
                                                                                                PENRYN                                                                                              Board
                                                                                                                                                                                                                                                PAGE S6

                                                                                                                 PAGE 3~5



                                                                                                            FSB 1066MHz                                                                                                          CLOCK GEN.
                                LVDS                                                                                                                                                                                             ICS/9LPR363
                                                                                                                                                                                                                                                      PAGE 29
                                           PAGE 45
                                                                                                                                                      DDR-II
                                                                                                  MCH                            DDR2 667/800 MHz
                                                                                                                                                      SO-DIMMx2                                                       FAN + Thermal sensor
      Small-Board               CRT
                                                                                                CANTIGA                                                                    PAGE 6~8                                                                   PAGE 50
                                           PAGE 46



                                HDMI                                                                             PAGE 9~14                                                      Sub-Board                                            POWER
                                           PAGE 48                                                          DMI *4                        GigaLAN                                                                                    VCORE
C
                                                                                                                                          RTL8111C                              LAN IO                                                                PAGE 80                     C

     Sub-Board                                                                                                                                                 PAGE 33
                                                                                                                                                                                                                                     SYSTEM
                             ALAZIA                                                                                                                                                      PAGE 56
                                                                                                                                                                                                                                                      PAGE 81
                                                                                                                             PCIE *1      MiniCard
                             MDC                                                                                                          WLAN                                                                                       1.5VS,1.05VS
                                           PAGE S5
                                                                                                                                                               PAGE 53                                                                                PAGE 82

                 AUDIO BOARD                                             Azalia                 ICH9-M
                                                                                                                                          Express Card                                                                               DDR&VTT
                 ALC663                                                  LPC                                                                                                                                                                          PAGE 83

                                           PAGE S3                                                                                                             PAGE 43
                                                                                                                                                                                                                                     +1.25VS&2.5VS
                                                                                                                PAGE 20~24                                                                                                                            PAGE 84

         MIC PREAMP        AUDIO_AMP          SPDIF                                                                                             USB *                                                                                VGACore &
         & INT MIC         & INT SPK          JACK                                                                                              3ports                                                                               +1.25VO
                                                                                                                                                                                                                                                      PAGE 85
               PAGE S5           PAGE S4             PAGE S4                                                                                          PAGE 52
                                                                                                                                                                                                   DC/BAT
                                                                                     SATA Bus


                                                                                                 SATA Bus
                                                                                                                                                                                                                                     SHUTDOWN#
                                                                                                                                                    BT                                             Connector                                          PAGE 87

B                                                                                                                                                                                                                 PAGE 60                                                         B
                                                                                                                                                      PAGE 61
                                                                                                                                                                                                                                     CHARGER
                                                                                                                                                                                                                                                      PAGE 80
     Small-Board                                                                                                 USB2.0 Bus
                                              TPM                                                                                               CMOS                                               Discharge                         DETECT
                                                                                                                                                      PAGE 66                                                                                         PAGE 90
                                                        PAGE 62                                                                                                                                                   PAGE 57
        TouchPad
                                                                                                                                                                         Sub-Board                                                   LOAD SWITCH
                                                                                  SATA                                                          USB *                                              System
                 PAGE 58                                                                                                                                                                                                                              PAGE 91
                                                                                                                                                1port
                                              KBC                                 HDD                                                                PAGE S1                                       Resource                          PROTECT
                                                                                     PAGE 51                                                                                                                      PAGE 2
        BIOS SPI ROM
                                              8752                                                                                              MiniCard                 SIM
                                                                                                                                                                                                                                                      PAGE 92

                 PAGE 31
                                                                                  SATA                                                          WWAN                     Card                      Power On                          POWER SIGNAL
        INTERNAL                                        PAGE 30~31
                                                                                  ODD
                                                                                                                                                      PAGE S2
                                                                                                                                                                                                   Sequence                                           PAGE 93

                                                                                                                                                                                                                  PAGE 32
        KEYBOARD                                                                     PAGE 51
                                                                                                                                                                                                                                     TFT-LED DRIVE
                 PAGE 31
                                           DeBug port                                                                                                                                              Rev.                                               PAGE 94

                                                                                                                                                Card
A
                                                        PAGE 44                                                                                 Reader                                             History                           FLOWCHART                                    A


                                                                                                                                                                                                                                                      PAGE 95
                                                                                                                                                      PAGE 42                                                     PAGE 69



                                                                                                                                                Finger              Small-Board
                                                                                                                                                Printer                                                                                    Title : BLOCK DIAGRAM
                                                                                                                                                                                                        ASUSTeK COMPUTER INC           Engineer:      Ryan_Wang
                                                                                                                                                                                                         Size     Project Name                                             Rev
                                                                                                                                                                                                         Custom             N20A                                           1.20
                                                                                                                                                                                                       Date: Monday, June 02, 2008            Sheet       1     of   101
          5                                                          4                                                            3                                                   2                                                1
                    A                                                                              B                                                C                                       D                                                       E




    N20A Schematic Index
    Page       System page Ref.                                                           ICH9-M GPIO   Use As       Signal Name                Power    EC GPIO   Use As     Signal Name       Power   EC GPIO       Use As                    Signal Name           Power
    01      Block Diagram                                                                  GPIO 00       GPI     PMSYNC#(programmed as GPO)     +3VS      GPA0      GPO     PWR_LED_UP#                   -              -                   -
1   02      Schematic Information                                                          GPIO 01       GPI     DOCKING_DET# EXT      PU       +3VS      GPA1      GPO     CHG_LED_UP#                  GPG6           GPO             BAT2_CNT2#                                     1

    03-05   CPU-Penryn                                                                    GPIO [2:5]     GPI     PCI_INT[E:H]# EXT     PU       +5VS      GPA2      GPO     BATSEL_3S#                    -              -                   -
    07-09   DDR II SO-DIMM                                                                 GPIO 06       GPI          -        EXT     PU       +3VS      GPA3       -         -                         GPH0           OD              PM_CLKRUN#
    10-15   Cantiga                                                                        GPIO 07       GPI          -        EXT     PU       +3VS      GPA4      GPO     LCD_BL_PWM                   GPH1           ALT                  -
    20-24   ICH9M                                                                          GPIO 08       GPI     EXT_SMI#      EXT     PU      +3VSUS     GPA5      GPO     FAN0_PWM                     GPH2           ALT                  -
    25      SPI ROM                                                                        GPIO 09      Native   WOL_EN                        +3VSUS     GPA6      GPO     BAT1_CNT1#                   GPH3           GPO             BAT_LEARN
    29      CLK-ICS9LPR363CGLF-T                                                           GPIO 10       GPI     SUS_PWR_ACK EXT       PU      +3VSUS     GPA7      GPO     BAT2_CNT1#                   GPH4           GPO                  -
    30-31   EC_IT8752                                                                      GPIO 11      Native   EXT_SCI#(Programmed as GPI)   +3VSUS     GPB0      GPO     CHG_EN#                      GPH5           GPO             NUM_LED
    32      POWER-ON SEQUENCE                                                              GPIO 12       GPO           -                       +3VSUS     GPB1      GPO     PRECHG                       GPH6           GPO             CAP_LED
    33      Realtek RTL8111C                                                               GPIO 13       GPI     CB_SD#(Programmed as GPO)     +3VSUS     GPB2      GPI     DISTP#                        -              -                 -
    34      RJ45 + RJ11                                                                    GPIO 14       GPI     AC_PRESENT        EXT PD      +3VSUS     GPB3      ALT     SMB0_CLK                     GPI0           GPI                -
    35      MDC                                                                            GPIO 15      Native   STP_PCI#                      +3VSUS     GPB4      ALT     SMB0_DAT                     GPI1           GPI             SUS_PWRGD
    36      ALC663 Codec                                                                   GPIO 16      Native   PM_DPRSLPVR       INT PD*      +3VS      GPB5      OD      A20GATE                      GPI2           GPI             ALL_SYSTEM_PWRGD
2   37      AUDIO_G1431 & HP                                                               GPIO 17       GPI     WLAN_LED(Programmed as GPO)    +3VS      GPB6      OD      RCIN#                        GPI3           GPI             VRM_PWRGD                                      2


    38      MICROPHONE & Array MIC                                                         GPIO 18       GPO           -                        +3VS      GPB7      GPO     PM_RSMRST#                   GPI4           GPI             PWR_MON
    39      FM2010 DSP                                                                     GPIO 19       GPI           -           EXT PU       +3VS      GPC0      GPI     MARATHON#                    GPI5           GPI             PD_DET#
    40      CARDBUS R5C833(PCI I/F)                                                        GPIO 20       GPO           -           INT PD*      +3VS      GPC1      ALT     SMB1_CLK                     GPI6           GPI             KB_ID0
    41      CARDBUS R5C833(1394 & SD)                                                      GPIO 21       GPI           -           EXT PU       +3VS      GPC2      ALT     SMB1_DAT                     GPI7           GPI             KB_ID1
    42      IEEE1394A & 4 IN1 CON                                                          GPIO 22       GPI     BT_DET#           EXT PU       +3VS      GPC3      GPO     PM_PWRBTN#                   GPJ0           GPO             EC_CLK_EN
    43      NewCard PWR SW & CON                                                           GPIO 23      Native   ICH_LDRQ1#        INT PU       +3VS      GPC4      ALT     AC_IN_OC#                    GPJ1           GPO             PM_PWROK
    44      Debug                                                                          GPIO 24       GPO     WLAN_ON                       +3VSUS     GPC5      GPO     OP_SD#                       GPJ2           GPI             UNDOCK#_PD
    45      LVDS & INVERTER CONNECTOR                                                      GPIO 25      Native   STP_CPU#                      +3VSUS     GPC6      ALT     BAT1_IN_OC#                  GPJ3            -                   -
    46      CRT                                                                            GPIO 26      Native   PM_S4_STATE#                  +3VSUS     GPC7      GPO     3G_ON#                       GPJ4           GPO             BL_DA
    48      HDMI                                                                           GPIO 27       GPO     BT_ON                         +3VSUS     GPD0      GPI     PWRLIMIT#                    GPJ5           GPO             FAN_DA
    50      THER SENSOR & FAN                                                              GPIO 28       GPO     BT_LED                        +3VSUS     GPD1      ALT     PM_S4_STATE#                 GPK0           GPI             PM_SLP_M#
    51      HDD & CDROM                                                                    GPIO 29      Native   USB_OC#5                      +3VSUS     GPD2      ALT     BUF_PLT_RST#                 GPK1           GPI             SUSPWR_ACK
3                                                                                                                                                                                                                                                                                      3
    52      USB Port x 4                                                                   GPIO 30      Native   USB_OC#6                      +3VSUS     GPD3      OD      EXT_SCI#                     GPK2           GPI             PM_SUSC#
    53      MINICARD(Ebron/Robson/3G/TV)                                                   GPIO 31      Native   USB_OC#7                      +3VSUS     GPD4      OD      EXT_SMI#                     GPK3           GPI             +3VM_PG
    54      PORT Docking                                                                   GPIO 32       GPO     PM_CLKRUN#                     +3VS      GPD5      GPO     LCD_BACKOFF#                 GPK4           GPI             +1.05VM_+3VMCLK_PG
    55      Super I/O & FIR                                                                GPIO 33       GPO           -           INT PU*      +3VS      GPD6      ALT     FAN0_TACH                    GPK5           GPI             LAN_WOL_EN
    56      LED/TP/SW                                                                      GPIO 34       GPO           -                        +3VS      GPD7      GPI     COLOREN#                     GPL0           GPI             AC_APR_UC#
                                               GPIO33 Internal Pull High, Go Low= Flash




    57      DISCHARGE                                                                      GPIO 35       GPO           -                        +3VS      GPE0      GPO     VSUS_ON                      GPL1           GPI                -
    58      UMB                                                                            GPIO 36       GPI           -           EXT PU       +3VS      GPE1      GPO     SUSC_EC#                     GPL2           GPO                -
                                               Descriptor Security will be overriden




    60      DC power jack, Batter conn.                                                    GPIO 37       GPI     PCB_ID0                        +3VS      GPE2      GPO     SUSB_EC1#                    GPL3           GPO             LAN_RST#
    61      Blue Tooth                                                                     GPIO 38       GPI     PCB_ID1                        +3VS      GPE3      GPO     CPU_VRON                     GPL4           GPO             CL_PWROK
    62      TPM                                                                            GPIO 39       GPI     PCB_ID2                        +3VS      GPE4      ALT     PWR_SW#                      GPL5           GPO             EC_WLAN_PWR
    63      Finger Print                                                                   GPIO 40      Native   USB_OC01#                     +3VSUS     GPE5      ALT     BAT2_IN_OC#                  GPL6           GPO             SLP_M_ON
    65      MDC NUT & Hinksink NUT                                                         GPIO 41      Native   USB_OC2#                      +3VSUS     GPE6      GPI     LID_SW#                      GPL7           GPO             S4_STATE_ON
    66      E-SATA                                                                         GPIO 42      Native   USB_OC3#                      +3VSUS     GPE7      GPO     PM_THERM#                    GPK6           GPO             AC_PRESENT
4                                                                                                                                                                                                                                                                                      4
    68      XDP                                                                            GPIO 43      Native   USB_OC4#                      +3VSUS     GPF0      GPI     BLUETOOTH#                   GPK7           GPI             PS_CPPE#
    70-77   VGA (nVidia NB9P-GE)                                                           GPIO 44      Native   CLK_DEC#                      +3VSUS     GPF1      GPI     WIRELESS#
    80      POWER_VCORE                                                                    GPIO 45      Native   CLK_ACC                       +3VSUS     GPF2      ALT     PS2_CLK_5S_PD
    81      POWER_SYSTEM                                                                   GPIO 46      Native   NEWCARD_OC#                   +3VSUS     GPF3      ALT     PS2_DATA_5S_PD
    82      POWER_I/O_1.5V & 1.05VM                                                        GPIO 47      Native   UNDOCKING#                    +3VSUS     GPF4      ALT     TP_CLK
    83      POWER_I/O_DDR & VTT                                                            GPIO 48       GPI     EMAIL_LED#        EXT PU       +3VS      GPF5      ALT     TP_DAT
    84      NONE                                                                           GPIO 49       GPO     GPU_RST#          INT PU*      +3VS      GPF6      GPO     THRO_CPU
    85      POWER_VGA_VCORE & 1.1VO                                                        GPIO 50      Native   PCI_REQ#1                      +5VS      GPF7      GPO     PS_SHDN#
    88      POWER_CHARGER                                                                  GPIO 51      Native   PCI_GNT#1         INT PU*      +3VS      GPG0      GPI     INSTANT_ON#
    90      POWER_DETECT                                                                   GPIO 52      Native   PCI_REQ#2                      +5VS      GPG1      ALT     PM_SUSB#
    91      POWER_LOAD SWITCH                                                              GPIO 53      Native   PCI_GNT#2         INT PU*      +3VS      GPG2      GPO     BAT1_CNT2#
    92      POWER_PROTECT                                                                  GPIO 54      Native   PCI_REQ#3                      +5VS       -         -            -
    93      POWER_SIGNAL                                                                   GPIO 55      Native   PCI_GNT#3         INT PU*      +3VS       -         -            -
5                                                                                                                                                                                                                                                                                      5

    94      POWER_FLOWCHART                                                                GPIO 56       GPI             -         EXT PU       +3VSUS
                                                                                           GPIO 57       GPI             -         EXT PU       +3VSUS
                                                                                           GPIO 58       GPI     SPI_CS#1          INT PU*      +3VSUS                                                                                              Title : Schematic Information
                                                                                           GPIO 59      Native   USB_OC0#                       +3VSUS                                                             ASUSTeK COMPUTER INC. NB1       Engineer: Ryan_Wang
                            INT PU*: PU or PD in
                                                                                                                                                                                                                    Size     Project Name                                       Rev
                            special time                                                   GPIO 60      Native   LINKALERT#                     +3VSUS
                                                                                                                                                                                                                    Custom            N20A                                      1.20
                                                                                                                                                                                                                  Date: Monday, June 02, 2008            Sheet    2    of     101
                    A                                                                              B                                                C                                       D                                                       E
                                    5                                                                                                                   4                                                                             3                                                                                                 2                                                                     1



                                   H_D#[63:0]
    10     H_D#[63:0]
                                   H_A#[35:3]
    10     H_A#[35:3]
                                   H_REQ#[4:0]
    10   H_REQ#[4:0]


                                                                                                                                      T0318                                                    Reserved for the
                                                                                                                                                                                               S3 reboot issue
                                                                                                                                        T0319




                                                                                                                                  1
                                                                                                                                                                                                    H_CPURST#
                                                       U0301A                                                                                                                                                                                                                    U0301B




                                                                                                                                      1
D                               H_A#3            J4                                                                    H1                                                                                                                                   H_D#0          E22                                                              Y22     H_D#32                                                                                        D
                                                       A[3]#                                                  ADS#                                  H_ADS#    10                                                                                                                 D[0]#                                      D[32]#




                                                                ADDR GROUP 0
                                H_A#4            L5                                                                    E2                                                                                                                                   H_D#1          F24                                                              AB24    H_D#33
                                                       A[4]#                                                  BNR#                                  H_BNR#    10                                                                                                                 D[1]#                                      D[33]#




                                                                                                                                                                                                                    1
                                H_A#5            L4                                                                    G5                                                                                                                                   H_D#2          E26                                                              V24     H_D#34
                                                       A[5]#                                                  BPRI#                                 H_BPRI#   10                                                                                                                 D[2]#                                      D[34]#
                                H_A#6            K5                                                                                                                                                     C0303                                               H_D#3          G22                                                              V26     H_D#35
                                                       A[6]#                                                                                                                                                                                                                     D[3]#                                      D[35]#




                                                                                                                                                                                                                                                                                                      DATA GRP 0
                                H_A#7            M3                                                                    H5                                                                            10PF/50V                                               H_D#4          F23                                                              V23     H_D#36
                                                                                                                                                    H_DEFER# 10




                                                                                                                                                                                                                    2
                                H_A#8                  A[7]#                                            DEFER#                                                                                             @                                                H_D#5                D[4]#                                      D[36]#                  H_D#37
                                                 N2    A[8]#                                             DRDY#         F21                          H_DRDY# 10                                                                                                             G25   D[5]#                                      D[37]#          T22
                                H_A#9            J1                                                                    E1                                                                                                                                   H_D#6          E25                                                              U25     H_D#38
                                                       A[9]#                                             DBSY#                                      H_DBSY# 10                                                                                                                   D[6]#                                      D[38]#
                                H_A#10           N3                                                                                                                                                                                                         H_D#7          E23                                                              U23     H_D#39
                                H_A#11                 A[10]#                                                                                                             +VCCP_CPU                                                                         H_D#8                D[7]#                                      D[39]#                  H_D#40
                                                 P5                                                                    F1                           H_BR0#    10                                                                                                           K24                                                              Y25




                                                                                                                                                                                                                                                                                                                   DATA GRP 2
                                H_A#12                 A[11]#                                                  BR0#                                                                                                                                         H_D#9                D[8]#                                      D[40]#                  H_D#41
                                                 P2                                                                                                                                                                                                                        G24                                                              W22




                                                                                                    CONTROL
                                H_A#13                 A[12]#                                                                                                                                                                                                                    D[9]#                                      D[41]#
                                                 L2    A[13]#                                                 IERR#    D20 H_IERR#            R0309 1          2 56Ohm                                                                                      H_D#10         J24   D[10]#                                     D[42]#          Y23     H_D#42
                                H_A#14           P4                                                                    B3                                                                                                                                   H_D#11         J23                                                              W24     H_D#43
                                                       A[14]#                                                  INIT#                                H_INIT#   20                                                                                                                 D[11]#                                     D[43]#
                                H_A#15           P1                                                                                                                                                                                                         H_D#12         H22                                                              W25     H_D#44
                                H_A#16                 A[15]#                                                                                                                                                                                               H_D#13               D[12]#                                     D[44]#                  H_D#45
                                                 R1    A[16]#                                                 LOCK#    H4                           H_LOCK# 10                                                                                                             F26   D[13]#                                     D[45]#          AA23
                                                 M1                                                                                                                                                                                                         H_D#14         K22                                                              AA24    H_D#46
    10   H_ADSTB#0                                     ADSTB[0]#                                                                                                                                                                                                                 D[14]#                                     D[46]#
                                                                                                                       C1                                                                                                                                   H_D#15         H23                                                              AB25    H_D#47
                                                                                                        RESET#                                      H_CPURST# 10                                                                                                                 D[15]#                                     D[47]#
                                H_REQ#0          K3                                                                    F3                                                                                                                                                  J26                                                              Y26
                                                       REQ[0]#                                           RS[0]#                                     H_RS#0  10                                                                       10    H_DSTBN#0                             DSTBN[0]#                               DSTBN[2]#                              H_DSTBN#2 10
                                H_REQ#1          H2                                                                    F4                                                                                                                                                  H26                                                              AA26
                                                       REQ[1]#                                           RS[1]#                                     H_RS#1  10                                                                       10    H_DSTBP#0                             DSTBP[0]#                               DSTBP[2]#                              H_DSTBP#2 10
                                H_REQ#2          K2                                                                    G3                                                                                                                                                  H25                                                              U22
                                                       REQ[2]#                                           RS[2]#                                     H_RS#2  10                                                                       10    H_DINV#0                              DINV[0]#                                 DINV[2]#                              H_DINV#2 10
                                H_REQ#3          J3                                                                    G2
                                                       REQ[3]#                                           TRDY#                                      H_TRDY# 10
                                H_REQ#4          L1    REQ[4]#                                                                                                                                                                                              H_D#16                                                                                  H_D#48
                                                                                                               HIT#    G6                           H_HIT#    10                                                                                                           N22   D[16]#                                     D[48]#          AE24
                                H_A#17            Y2                                                                   E4                                                                                                                                   H_D#17         K25                                                              AD24    H_D#49
                                                       A[17]#                                                 HITM#                                 H_HITM#   10                                                                                                                 D[17]#                                     D[49]#
                                H_A#18            U5                                                                                                                                                                                                        H_D#18         P26                                                              AA21    H_D#50
                                H_A#19                 A[18]#                                                                                                                                                                                               H_D#19               D[18]#                                     D[50]#                  H_D#51
                                                  R3   A[19]#                                            BPM[0]#       AD4                                                                                                                                                 R23   D[19]#                                     D[51]#          AB22
                                                                ADDR GROUP 1




                                H_A#20            W6                                                                   AD3    XDP_BPM#1         1    T0324                                                                                                  H_D#20         L23                                                              AB21    H_D#52
                                                       A[20]#                                            BPM[1]#                                                                                                                                                                 D[20]#                                     D[52]#




                                                                                                                                                                                                                                                                                             DATA GRP 1
                                H_A#21            U4                                                                   AD1                                                                                                                                  H_D#21         M24                                                              AC26    H_D#53
                                                                                      XDP/ITP SIGNALS




                                H_A#22                 A[21]#                                            BPM[2]#                                                                                                                                            H_D#22               D[21]#                                     D[53]#                  H_D#54
                                                  Y5   A[22]#                                            BPM[3]#       AC4                                                                                                                                                 L22   D[22]#                                     D[54]#          AD20
                                H_A#23            U1                                                                   AC2                      1    T0326                                                                                                  H_D#23         M23                                                              AE22    H_D#55
                                H_A#24                 A[23]#                                             PRDY#               XDP_BPM#5                                                                                                                     H_D#24               D[23]#                                     D[55]#                  H_D#56
                                                  R4   A[24]#                                             PREQ#        AC1                                                                                                                                                 P25   D[24]#                                     D[56]#          AF23
                                H_A#25            T5                                                                   AC5    XDP_TCK                                                                                                                       H_D#25         P23                                                              AC25    H_D#57
C
                                H_A#26                 A[25]#                                               TCK               XDP_TDI                                                                                                                       H_D#26               D[25]#                                     D[57]#                  H_D#58                                                                                        C
                                                  T3                                                                   AA6                                                                                                                                                 P22                                                              AE21




                                                                                                                                                                                                                                                                                                                   DATA GRP 3
                                H_A#27                 A[26]#                                                TDI              XDP_TDO                                                                   +VCCP_CPU                                           H_D#27               D[26]#                                     D[58]#                  H_D#59
                                                  W2   A[27]#                                               TDO        AB3                                                                                                                                                 T24   D[27]#                                     D[59]#          AD21
                                H_A#28            W5                                                                   AB5    XDP_TMS                                                                                                                       H_D#28         R24                                                              AC22    H_D#60
                                H_A#29                 A[28]#                                               TMS               XDP_TRST#                                                                                                                     H_D#29               D[28]#                                     D[60]#                  H_D#61
                                                  Y4   A[29]#                                             TRST#        AB6                                                                                                                                                 L25   D[29]#                                     D[61]#          AD23




                                                                                                                                                                                                           2
                                H_A#30            U2                                                                   C20    XDP_DBR#                                                                                                                      H_D#30         T25                                                              AF22    H_D#62
                                H_A#31                 A[30]#                                              DBR#                                                                                    R0315                                                    H_D#31               D[30]#                                     D[62]#                  H_D#63
                                                  V4   A[31]#                                                                                                                                                                                                              N25   D[31]#                                     D[63]#          AC23
                                H_A#32            W3                                                                                                                                               1KOhm                                                                   L26                                                              AE25                                       Comp 0,2: Zo=27.4 Ohm, trace length < 0.5"
                                                       A[32]#                                                                                                                                                                             10   H_DSTBN#1                         DSTBN[1]#                               DSTBN[3]#                              H_DSTBN#3 10
                                H_A#33           AA4                                 THERMAL                                                                                                       1%                                                                      M26                                                              AF24
                                                       A[33]#                                                                                                                                                                             10   H_DSTBP#1                         DSTBP[1]#                               DSTBP[3]#                              H_DSTBP#3 10           Comp 1,3: Z0=55 Ohm, trace length < 0.5"
                                H_A#34           AB2                                                                                                                                                                                                                       N24                                                              AC20
                                                                                                                                                                                                                                          10   H_DINV#1                                                                                                         H_DINV#3 10




                                                                                                                                                                                                           1
                                H_A#35                 A[34]#                                                                                                                                                                                                                    DINV[1]#                                 DINV[3]#
                                                 AA3   A[35]#                             PROCHOT#                     D21 H_PROCHOT_S#
                                                  V1                                                                   A24                                                                                                                                    GTL_REF AD26                                                                  R26    H_COMP0   R0311   1             2   27.4Ohm    1%
    10   H_ADSTB#1                                     ADSTB[1]#                            THRMDA                                                    CPU_THRM_DA 50                                                                                                             GTLREF                                         COMP[0]
                           T0320         1                                                                             B25                                                                                                       R0317 2 @      1% 1 1KOhmCPU_TEST1    C23                  MISC                                            U26    H_COMP1   R0312   1             2   54.9Ohm   1%
                                                                                            THRMDC                                                    CPU_THRM_DC 50                                                                                                             TEST1                                          COMP[1]




                                                                                                                                                                                                           2
                                                 A6                                                                                                                                                                              R0318 2 @      1% 1 1KOhmCPU_TEST2    D25                                                                  AA1    H_COMP2   R0313   1             2   27.4Ohm   1%
    20    H_A20M#                                      A20M#                                                                                                                                                                                                                     TEST2                                          COMP[2]




                                                                                                                                                                                               1
                                                                           ICH




    20     H_FERR#                               A5    FERR#                      THERMTRIP#                           C7                             H_THRMTRIP# 5,11,20
                                                                                                                                                                                                    R0316                                     T0304      1 CPU_TEST3 C24         TEST3                                          COMP[3]     Y1     H_COMP3   R0314   1             2   54.9Ohm   1%
                                                 C4                                                                                                                                   C0301         2KOhm                                                   CPU_TEST4 AF26                                                                                                                                1
    20    H_IGNNE#                                     IGNNE#                                                                 T0302                                                                                                                                              TEST4
                           T0321         1                                                                                                                                        0.1UF/10V         1%                                          T0306    1 CPU_TEST5 AF1                                                                    E5                   H_DPRSTP# 11,20,80
                                                                                                                                                                                                                                                                                                                                                                                                                  T0322




                                                                                                               



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