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                             A                               B                                                 C                      D                        E

                    A8T/M SCHEMATIC R2.1
1                                                                                                                                                                                 1
                    PAGE              Content              PAGE                  Content
                           SYSTEM PAGE REF.                      POWER PAGE REF.
                     4     AMD S1 CPU--HT                  61    POWER_VCORE
                     5     AMD S1 CPU--CNTL                62    POWER_SYSTEM
                     6     AMD S1 CPU--DDR2                63    POWER_I/O_1.2VO & 1.0VO
                     7     AMD S1 CPU--PWR/GND             64    POWER_I/O_LDO
                     8     DDR2 SO-DIMM_0                  65    POWER_I/O_DDR2
                     9     DDR2 SO-DIMM_1                  66    POWER_VGA_CORE(Empty)
                    10     DDR2 ADDRESS TERMINATION        67    POWER_LOAD_SYSTEM
                    11     C51M--HT TO CPU                 68    POWER_CHARGER
2                   12     C51M--HT TO MCP                 69    POWER_PIC                                                                                                        2

                    13     C51M--PCI-E                     70    POWER_PROTECT
                    14     C51M--CRT & LVDS                71    POWER_SWITCH_+5VLCM
                    15     C51M--PWR/GND                   72    POWER_DIAGRAM
                    16     VGA CONN
                    17     LVDS & INVERTER CONN
                    18     CRT & TV_OUT
                    19     MCP51--HT
                    20     MCP51--PCI
                    21     MCP51--IDE
                    22     MCP51--USB & HDA & GPIO
                    23     MCP51--PWR/GND                                                                                                                                         3
                    24     HDD & CD-ROM CONN
                    25     USB PORTS
                    26     SUPER I/O LPC47N217
                    27     BIOS & FIR
                    28     KBC 38857
                    29     SM BUS & POWER PORT
                    30     PCI-E--MINI CARD
                    31     PCI-E--NEW CARD
                    32     PCI--LAN RTL8110CL
                    33     RJ45 & RJ11
                    34     PCI--1394,CardReader R5C832
4                   35     PCI--4 IN1 CON                                                                                                                                         4

                    36     AUDIO CODEC ALC660
                    37     AUDIO AMP G1420
                    38     MDC,B/T,TPM & DISCHG,HOLE
                    39     DVI CONN
                    40     ACIN, BAT, FAN, I/O PORT
                    41     SW & LED & TP
                    42     POWER-ON SEQUENCE
                    43     HISTORY
                    44     I/O PORT

5                                                                                                                                                                                 5


                                                REVISION   DATE:   Friday, July 21, 2006        DESCRIPTION:                   SCHEMATIC FILE NAME :   DESIGN ENGINEER :
                      PROJECT: A8T                  2.1    SHEET         1       OF        55                      PAGE REF.   RELEASE DATE :                         Albert Su
                             A                               B                                                 C                      D                        E
                              A                                           B                                                            C                                                D                                                    E

                                                   A8T/M AMD S1/C51MV BLOCK DIAGRAM
                                                                                           TYPE                                                                                        IO PORT                                                                    1

                                                                                                                                                                           1394        USB        MIC     LINE_IN

                                                                                                                    638                                                                      POWER
                                                                                                                                                                                             SEQENCE                RESET         SM_BUS
                                                   LFB     LFB    LFB    LFB                                                                                                                              42             42              29
                    LVDS & INV
2                   CON      17
                                                                                                                               HT X16                                                                                                                             2

                                                                                                                                                                               DDR2 533/667
                                                      Nvidia                            PCI-E                                                                                                                       DDR
                    CRT & TV
                                       VGA                                          VGA x16
                                                                                                                                            DDR2 SDRAM 533/667MHz
                                                                                                                                                                               SODIMM X2
                                                                                                                                                                                                  ....              CAP/RES
                    CON      18
                                       CON         G7x series                       CON
                                                                                                                    C51MV                                                      +0.9V

                                        16                                           16                                  11,12,13,14,15     PCI EXPRESS X1
                                                     VGA BAORD
                    DVI Dual
                    CH.      39
                                                                                                                               HT X8
                    VCORE         61                                          USB2.0                                                                                      MINI CARD                NEW
                                             USB x5                                                                                                                                                CARD
3                                                    25                                                                                                                                30                      31                                                 3
                    SYSTEM        62                                                                                                    PCI_BUS                  3.3V, 33MHz
                                                                                PATA BUS
                    1.2VO & 1.0VO            B/T                                                                                        ACZ
                                  63                 38
                                                                 ODD                                                19,20,21,22,23
                                                                 (Secondary)      HDD                                                                                      CARDBUS                      LAN 1G
                    I/O LDO                                                       (Primary) 24
                                                                    24                                                                                       4 IN 1        RICOH                        RTL8110SBL
                                             Camera                                                                                                                        R5C832
                                                                                                                                                             CARD                           34                  32
                    +1.8V & +0.9V                                                                                                                            READER
                                  65                                          LPC, 33MHz                                                                            35
                    LOAD SYSTEM                                                                                                                                                                         LAN IO                   CON
                                  67                                                                                              Codec
4                                                                                                                                 ADI1986A                   1394                                               33                       33
                                                                                                                                            36               SLOT
                                                     SUPER I/O           KEYBOARD               TPM               FWH                                                40
                    CHARGER                                                                                       BIOS
                                  68                 47N217 26           CONTROLLER
                                                                         M38857                                                                                                SW & LED &
                                                                                  28                    38                27      AUDIO AMP           MDC                      TOUCHPAD
                                                                                                                                  G1420               CON                                                                         DCIN
                     PIC                                                                                                                                                       CON
                                                                                                                                              37            38                            41                                      RTC
                                                                                                                                                                                                                                  FAN CON.       40
                    PROTECT                          FIR                 INTERNAL
                                  70                                     KEYBOARD                                                                LINE                          AC & BAT CON
                                                           27                             30                                                     OUT 40                                                                           H/W MONITOR
                                                                                                                                                                               FAN CTRL   40
                    SWITCH 5VLCM                                                                                                                                                                                                  THERMAL    70
                                                                                                                          MIC AMP
                                                                                                                          LM358                  MIC_IN
5                   DIAGRAM                                                                                                        37               40



                                                     REVISION           DATE:   Friday, July 21, 2006                DESCRIPTION:                                              SCHEMATIC FILE NAME :                               DESIGN ENGINEER :
                      PROJECT: A8T                         2.1          SHEET         2        OF            55                            BLOCK DAIGRAM                       RELEASE DATE :                                                         Albert Su
                              A                                           B                                                            C                                                D                                                    E
                             A                                B                                                     C                                 D                                    E

                    PCI Device               IDSEL#               REQ/GNT#          Interrupts        PC/PCI
                                                                                                                        SM_BUS ADDRESS : Thermal MAX6657 = 1001100x                   ( 98h )
                    Chipset (Host to PCI)   (AD30 internal)         n/a                                                                  DDR_SODIMM0     = 1010000x                   ( A0h )
1                   LAN -- Realtek           AD17                    1                      C                                            DDR_SODIMM1     = 1010001x                   ( A2h )                 1

                    1394                     AD16                    0                      A
                    4 IN 1                                           0                      B

                                                                               MCP51_GPIO            Use As    Signal Name             Power
            MCP51_GPIO   Use As     Signal Name            Power                                                                                          M38857_GPIO USE_AS    SIGNAL_NAME  Power
                                                                                GPIO_47                GPI        LOAD_TEST            +3VS
             GPIO_1        GPI         PCB_ID2            +3VS                                                                                               P23       GPO     MSK_INSTKEY#  +3V
             GPIO_2        GPI         KB_SCI#            +3VSUS                                                                                             P22       GPO     BAT_LEARN     +3V
                                                                                GPIO_49                GPO          FWH_WP#            +3VS
             GPIO_3        GPI         PWRLMT#            +3VSUS                                                                                             P21       GPO                   +3V
                                                                                GPIO_50                GPO          LCD_VDD_EN_GM      +3VS
             GPIO_4                    SUS_STAT#          +3VSUS                                                                                             P20       GPO     KBCRSM        +3V
                                                                                GPIO_51                GPO          LCD_BACKEN_GM      +3VS
2            GPIO_5        GPO         802_LED_EN#        +3VSUS                                                                                             P42       GPO     WATCHDOG      +3V              2
                                                                                GPIO_52                             EDID_CLK_C51M      +3VS
             GPIO_6        GPO         MCP_TV_EN          +3VSUS                                                                                             P43       GPI     SWDJ_EN       +3V
                                                                                GPIO_53                             EDID_DATA_C51M     +3VS
             GPIO_7        GPO         CB_SD#             +3VSUS                                                                                             P44       GPO     KBCPURST_3Q   +3V
                                                                                GPIO_54                GPO            GPU_ON           +3VS
             GPIO_8                    CR_VID0            +3VSUS                                                                                             P45       GPO     KBC_GA20      +3V
                                                                                GPIO_55                               HA20GATE         +3VS
             GPIO_9                    CR_VID1            +3VSUS                                                                                             P46       GPO     KBSCI_3Q      +3V
                                                                                GPIO_56                               KBDCPURST        +3VS
             GPIO_10                   (CR_VID2)          +3VSUS                                                                                             P47       GPI     PM_CLKRUN#    +3V
                                                                                GPIO_57                               SATA_LED#        +3VS
            GPIO_[11:16]               (CPU_VID[0:5])     +3VSUS                                                                                             P50       GPI     BAT_LLOW#_OC +3V
                                                                                GPIO_58                             CPU_THERMTRIP#     +3VS
             GPIO_17                   (LID#)             +3VSUS                                                                                             P51       GPI     FAN1_TACH     +3V
                                                                                GPIO_59                               PM_THERM#        +3VS
             GPIO_18                   BATT_TALARM#       +3VSUS                                                                                             P52       GPO     KBDDT0        +3V
                                                                                GPIO_60                GPI             PCB_ID0         +3VS
             GPIO_19                   USB_OC#1           +3VSUS                                                                                             P53       GPO     KBDDT1        +3V
                                                                                GPIO_61                GPI             PCB_ID1         +3VS
             GPIO_20       GPO            1 Hz            +3VSUS                                                                                             P54       GPI     LID_KBC#      +3V
                                                                                GPIO_62                GPO            IGP_SELECT       +3VS
             GPIO_21       GPO        IGP_DDC_SELECT      +3VSUS                                                                                             P55       GPI     BAT_IN_OC#    +3V
3                                                                               GPIO_63                             (CABLE_DET_P)      +3VS                                                                   3
             GPIO_22                  ACZ_SDIN0_AUD       +3VSUS                                                                                             P56       GPO     FAN1_DC       +3V
                                                                                GPIO_64                             (CABLE_DET_S)      +3VS
             GPIO_23                  ACZ_SDIN1_MDC       +3VSUS                                                                                             P57       GPO     ADJ_BL        +3V
             GPIO_24       GPI         CHG_FULL_OC        +3VSUS                                                                                             P67       GPI     NEWCARD_OFF# +3V
             GPIO_25                   SMB_MEM_SCL        +3VSUS                                                                                             P66       GPI     PANLOCK_#     +3V
             GPIO_26                   SMB_MEM_SDA        +3VSUS                                                                                             P65       GPI     MARATHON_#    +3V
             GPIO_27                   SMB_CLK_SB         +3VSUS                   47N217_GPIO USE_AS           SIGNAL_NAME    Power                         P64       GPI     ACIN_OC#      +3V
             GPIO_28                   SMB_DAT_SB         +3VSUS                     GPIO10     GPI                            +3VS                          P63       GPI     NEWCARD_DET# +3V
             GPIO_29                   (SMB_ALERT#)       +3VSUS                   GPIO[11:12] GPO                             +3VS                          P62       GPI     WIRELESS_#    +3V
             GPIO_30                     PCI_PME#         +3VSUS                   GPIO[13:14] GPI                             +3VS                          P61       GPI     INTERNET_#    +3V
             GPIO_31       GPI           SIO_SMI#         +3VSUS                     GPIO23     GPO                            +3VS                          P60       GPI     BLUETOOTH_#   +3V
             GPIO_32                    EXTSMI#_3A        +3VSUS                   GPIO[40:45] GPI                             +3VS                          P76       GPIO    SMD_BAT       +3V
4            GPIO_33       GPI            (RI#)           +3VSUS                     GPIO46     GPI                            +3VS                          P77       GPIO    SMC_BAT       +3V              4

             GPIO_34                     SUS_CLK          +3VSUS                     GPIO47     GPI                            +3VS                          P27       GPO     SCR_LED#      +3V
             GPIO_35       GPO           WLAN_ON#         +3VSUS                                                                                             P26       GPO     NUM_LED#      +3V
             GPIO_36                                      +3VSUS                                                                                             P25       GPO     CAP_LED#      +3V
             GPIO_37       GPO            OP_SD#          +3VSUS                                                                                             P24       GPO     SET_PCIRSTNS# +3V
             GPIO_38       GPO          MXM_PWR_ON         +3VS                                                                                              P40       GPO     KBC_EXTSMI    +3V
             GPIO_39       GPI         VGA_DETECT#         +3VS                                                                                              P41       GPO     PANLOCK_LED   +3V
             GPIO_40       GPO          BACK_OFF#          +3VS
             GPIO_41       GPI          VGA_PWRGD          +3VS
             GPIO_42                    PM_CLKRUN#         +3VS
             GPIO_43                    PCI_PERR#          +3VS
             GPIO_44                     ACZ_SYNC          +3VS
5                                                                                                                                                                                                             5
             GPIO_45                     ACZ_SDOUT         +3VS
             GPIO_46       GPO          BT_ON/OFF#         +3VS

                                              REVISION      DATE:   Friday, July 21, 2006            DESCRIPTION:                              SCHEMATIC FILE NAME :               DESIGN ENGINEER :
                      PROJECT: A8T                  2.1     SHEET         3       OF            55                      SCHEMATICS REF.        RELEASE DATE :                                     Albert Su
                             A                                B                                                     C                                 D                                    E
                                       5                                 4                                                              3                                                      2                                     1

D                                                                                                                                                                                                                                                       D


                                                             11   HTCPU_TXCLK1                                 J5   L0_CLKIN_H1              L0_CLKOUT_H1   Y4                     HTCPU_RXCLK1 11
                                                             11   HTCPU_TXCLK1#                                K5   L0_CLKIN_L1              L0_CLKOUT_L1   Y3                     HTCPU_RXCLK1# 11
                                                             11   HTCPU_TXCLK0                                 J3   L0_CLKIN_H0              L0_CLKOUT_H0   Y1                     HTCPU_RXCLK0 11
                                                             11   HTCPU_TXCLK0#                                J2   L0_CLKIN_L0              L0_CLKOUT_L0   W1                     HTCPU_RXCLK0# 11
                                                                                               HT_TXCTL        P3                                           T5          1   T221
                                                                                               HT_TXCTL#            L0_CTLIN_H1              L0_CTLOUT_H1                   T222
                                                                                                               P4                                           R5          1
                                                                                                                    L0_CTLIN_L1              L0_CTLOUT_L1
                                                             11 HTCPU_TXCTL                                    N1   L0_CTLIN_H0              L0_CTLOUT_H0   R2                     HTCPU_RXCTL 11
                                                             11 HTCPU_TXCTL#                                   P1   L0_CTLIN_L0              L0_CTLOUT_L0   R3                     HTCPU_RXCTL# 11
                                                                                            HTCPU_TXDP15       N5                                           T4    HTCPU_RXDP15
                +1.2VS_HT                                                                   HTCPU_TXDN15            L0_CADIN_H15            L0_CADOUT_H15         HTCPU_RXDN15
                                                                                                               P5   L0_CADIN_L15            L0_CADOUT_L15   T3
                                                                                            HTCPU_TXDP14       M3                                           V5    HTCPU_RXDP14
                                                                                            HTCPU_TXDN14            L0_CADIN_H14            L0_CADOUT_H14         HTCPU_RXDN14
                                                                                                               M4   L0_CADIN_L14            L0_CADOUT_L14   U5
                                                                                            HTCPU_TXDP13       L5                                           V4    HTCPU_RXDP13
                     R772                                                                   HTCPU_TXDN13            L0_CADIN_H13            L0_CADOUT_H13         HTCPU_RXDN13
                                                                                                               M5   L0_CADIN_L13            L0_CADOUT_L13   V3
                                                                                            HTCPU_TXDP12       K3                                           Y5    HTCPU_RXDP12
C                    49.9Ohm                                                                HTCPU_TXDN12            L0_CADIN_H12            L0_CADOUT_H12         HTCPU_RXDN12                                                                          C
                                                                                                               K4   L0_CADIN_L12            L0_CADOUT_L12   W5
                                                                                            HTCPU_TXDP11       H3                                           AB5   HTCPU_RXDP11
                            HT_TXCTL                                                        HTCPU_TXDN11            L0_CADIN_H11            L0_CADOUT_H11         HTCPU_RXDN11
                                                                                                               H4   L0_CADIN_L11            L0_CADOUT_L11   AA5
                                                                                            HTCPU_TXDP10       G5                                           AB4   HTCPU_RXDP10
                                                                                            HTCPU_TXDN10            L0_CADIN_H10            L0_CADOUT_H10         HTCPU_RXDN10
                                                                                                               H5   L0_CADIN_L10            L0_CADOUT_L10   AB3
                            HT_TXCTL#                                                       HTCPU_TXDP9        F3                                           AD5   HTCPU_RXDP9
                                                                                            HTCPU_TXDN9             L0_CADIN_H9              L0_CADOUT_H9         HTCPU_RXDN9
                                                                                                               F4   L0_CADIN_L9              L0_CADOUT_L9   AC5                                       HTCPU_RXDP[0..15] 11
                                                                                            HTCPU_TXDP8        E5                                           AD4   HTCPU_RXDP8
                                           11 HTCPU_TXDP[0..15]                             HTCPU_TXDN8             L0_CADIN_H8              L0_CADOUT_H8         HTCPU_RXDN8
                     R773                                                                                      F5                                           AD3
                                                                                                                    L0_CADIN_L8              L0_CADOUT_L8
                                                                                            HTCPU_TXDP7                         HYPERTRANSPORT
                                                                                                                                                                  HTCPU_RXDP7                         HTCPU_RXDN[0..15] 11
                     49.9Ohm                                                                                   N3                                           T1
                                           11 HTCPU_TXDN[0..15]                             HTCPU_TXDN7             L0_CADIN_H7             L0_CADOUT_H7          HTCPU_RXDN7
                                                                                                               N2   L0_CADIN_L7             L0_CADOUT_L7    R1
                                                                                            HTCPU_TXDP6        L1                                           U2    HTCPU_RXDP6
                                                                                            HTCPU_TXDN6             L0_CADIN_H6             L0_CADOUT_H6          HTCPU_RXDN6
                                                                                                               M1   L0_CADIN_L6             L0_CADOUT_L6    U3
                                                                                            HTCPU_TXDP5        L3                                           V1    HTCPU_RXDP5
                                                                                            HTCPU_TXDN5             L0_CADIN_H5             L0_CADOUT_H5          HTCPU_RXDN5
                                                                                                               L2   L0_CADIN_L5             L0_CADOUT_L5    U1
                                                                                            HTCPU_TXDP4        J1                                           W2    HTCPU_RXDP4
                                                                                            HTCPU_TXDN4             L0_CADIN_H4             L0_CADOUT_H4          HTCPU_RXDN4
                                                                                                               K1   L0_CADIN_L4             L0_CADOUT_L4    W3
                                                                                            HTCPU_TXDP3        G1                                           AA2   HTCPU_RXDP3
                                                                                            HTCPU_TXDN3             L0_CADIN_H3             L0_CADOUT_H3          HTCPU_RXDN3
                                                                                                               H1   L0_CADIN_L3             L0_CADOUT_L3    AA3
                                                                                            HTCPU_TXDP2        G3                                           AB1   HTCPU_RXDP2
                                                                                            HTCPU_TXDN2             L0_CADIN_H2             L0_CADOUT_H2          HTCPU_RXDN2
                                                                                                               G2                                           AA1
                                                                                            HTCPU_TXDP1             L0_CADIN_L2             L0_CADOUT_L2          HTCPU_RXDP1
                                                                                                               E1   L0_CADIN_H1             L0_CADOUT_H1    AC2
                                                                                            HTCPU_TXDN1        F1                                           AC3   HTCPU_RXDN1
                                                                                            HTCPU_TXDP0             L0_CADIN_L1             L0_CADOUT_L1          HTCPU_RXDP0
                                                                                                               E3   L0_CADIN_H0             L0_CADOUT_H0    AD1
                                                                                            HTCPU_TXDN0        E2                                           AC1   HTCPU_RXDN0
                                                                                                                    L0_CADIN_L0             L0_CADOUT_L0
B                                                                                                                                                                                                                                                       B

A                                                                                                                                                                                                                                                       A


                                             REVISION                DATE:     Friday, July 21, 2006                DESCRIPTION:                                                     SCHEMATIC FILE NAME :                   DESIGN ENGINEER :
                            PROJECT: A8T           2.1               SHEET           4       OF           55                                 S1 CPU HT                               RELEASE DATE :                                         Albert Su
                                       5                                 4                                                              3                                                      2                                     1
                                             5                                                                                      4                                                                              3                                                                 2                                                                                  1

                                                          1                2                       VDDA

                                                   +          180NH                  C701      C702           C703
                                                                                     4.7UF/6.3V 0.22UF/6.3V3300PF/25V                                                                                                                                                                                                                                     +3VS
                                                         100UF/6.3V                                                                 U1D
                                                                                                                                                                                                                                                                                                          R19        200
                                                                                                                               F8   VDDA1
                                                                                                                               F9                                                                                                                                               C13        R20                                                                   R795
            11      CLK_CPU                         2       1
D                                                C704      3900PF/50V            1            2                      CLKIN     A9                                                                                                                                               0.1U       10K                                                                   4.7KOhm                        D
                                                                                R774         169Ohm                  CLKIN#         CLKIN_H                                                                                                                                                               U2
                                                                                                                               A8   CLKIN_L                                                                    CPU_VID[0..5]   61
            11      CLK_CPU#                         2    1                                                                                                                                                                                                                                           1   VCC              SCLK   8                                         SCL_3S  16,29
                                                 C705      3900PF/50V                                     CPU_PWRGD            A7                                   A5    CPU_VID5                                                                   H_THERMDA                                        2                           7
                                                   R < 600 mils from CPU                                  CPU_STP#                  PWROK                    VID5         CPU_VID4                                                                                                                        DXP               SDA                                             SDA_3S 16,29
                                                                                                                              F10                                   C6                                                                               H_THERMDC                                        3                           6         PM_THRM#
                                                                                                          CPU_RST#                  LDTSTOP_L                VID4         CPU_VID3                                                                                                                        DXN            ALERT#                                             PM_THRM# 22
                                                   AC caps < 1250 mils                                                         B7                            VID3   A6                                                                                                                                4                           5
                                                                                                                                    RESET_L                               CPU_VID2                                                                                                                        OVERT#            GND
                                                                                                                                                             VID2   A4
                                                                                                    1          2              AC6                                   C5    CPU_VID1                                                                                                                                MAX6657MSA
                                                                           +1.8V                                                    CPU_PRESENT_L            VID1         CPU_VID0
                                                                                                   R775       1KOhm                                                 B5
                                                                                                                                                             VID0                                                                                                        C34   1000P
                                                                                                    1 300Ohm 2                AF4                                   AF6         H_THRMTRIP#
                                                                                                   R777 T7128 1                     SIC           THERMTRIP_L                   H_PROCHOT#
                                                                                                                              AF5   SID            PROCHOT_L        AC7

                                                                                                          T223       1        AF9                                   AE9              1    T224
                                                                                                                                    TDI                      TDO                                                                                                                                                                                    OTP_RESET# 42
                                                                                                          T225       1        AD9
                     +1.8V                                                                                T226                      TRST_L                                                                                                                                                                           Q102
                                                                                                                     1        AC9   TCK           MISC
                                                                                                          T227       1        AA9                                                                                                                                                                                    2N7002
                                                                                                          T228       1        E10                                   G10              1    T229
                                                                                                                                    DBREQ_L                DBRDY
                                                                                                                                                                          CPU_VDDIO_FB 1                                                                 20,31 PCIRST_NEWC#
                             R779                                                                                              F6                                   W9                     T7129
                                                                                     61 CPU_VDD_FB                                  VDD_FB_H        VDDIO_FB_H
                                                                                                                               E6                                   Y9                1  T7130
                                                                                     61 CPU_VDD_FB#                                 VDD_FB_L        VDDIO_FB_L                                                                 CPU_PSI# 61
                                                                                             T7131    1    VTT_SENSE          Y10                                   A3                                  +1.2VS_HT
                                          CPU_MVREF                       +1.8V                                                     VTT_SENSE               PSI_L
                                                                                             39.2Ohm      CPU_MVREF        W17                                      P6    HT_REF1 1              2
                                                                                                                                    M_VREF                HTREF1
                                                                                               1           2 MEM_ZN       AE10                                      R6    HT_REF0R780
                                                                                                                                                                                  1             44.2Ohm
                                                                                                                                    M_ZN                  HTREF0
                             R783     C706               C707                                R781
                                                                                               1           2 MEM_ZP       AF10      M_ZP
                                                                                                                                                                                 R782           44.2Ohm
                                                                                             R784         39.2Ohm
C                        2KOhm      0.1UF/16V          1000PF/50V                                1            2                E9                                   C9    FBCLKOUT           1         2                                                                                                                                                                                        C
                                                                                               R785                                 TEST25_H             TEST29_H         FBCLKOUT#
                                                                                                 1            2510Ohm          E8                                   C8                      R786      80.6Ohm                                                                                                   +1.8VS
                                                                                               R787                                 TEST25_L             TEST29_L                             < 1" from CPU
                                                                                                 1            2510Ohm          G9
                                                                                               R788                                 TEST19                                                                                                                                                                                            +3VS
                                                                                                 1            2300Ohm         H10   TEST18                                                    80 ohm diff impedence                                                                      +1.8V
                                                                                               R789            300Ohm         AA7
                                                                                                                                    TEST13                                                                                                                                                                          R22
                                                                                                                               C2   TEST9
                                                                                                                                                                    AE7         1      T230
                                                                                                       T231                                                TEST24                      T232                                                                                                  R23                    10KOhm                   R27
                                                                                                                 1             D7   TEST17                 TEST23   AD7         1
                     Place near CPU socket                                                             T233      1             E7                                   AE8         1      T234
                                                                                                       T235                         TEST16                 TEST22                                                                                                                            300Ohm                                          4.7KOhm
                                                                                                                 1             F7                                   AB8     1           2
                                                                                                       T236                         TEST15                 TEST21          R790 1      300Ohm
                                                                                                                 1             C7   TEST14                 TEST20   AF7
                                                                                                       T238      1            AC8                                                    T237
                                                                                                                                    TEST12                                                                +1.8V
                                                                                                                                                         TEST28_H   J7
                                                                                                                               C3                                   H8                                                                                   H_THRMTRIP#
                                                                                                                                    TEST7                TEST28_L                                                                                                                                                                                                CPU_THRMTRIP# 19
                                                                                                                              AA6                                   AF8
                                                                                                     H_THERMDC                      TEST6                  TEST27                                                                                                                                          Q1
                                                                                                                               W7   THERMDC                TEST26   AE6     1             2
                                                                                                     H_THERMDA                 W8                                   K8     R791          300Ohm                                                                                                            PMBS3904
                                                                                                                                    THERMDA                TEST10
                                                                                                                               Y6   TEST3                   TEST8   C4
                                                                                                                              AB6   TEST2
                                                                                                                                    SOCKET638                                                                                                                                                              +1.8VS

                     +2.5VS                                                                                                               +1.8V
                               1    1KOhm    2 RN34A                                                                 1   300Ohm 2
                                                                                                                                  RN35A                                                                                        +1.8V
                               3    1KOhm    4 RN34B                                                                 3   300Ohm 4
                                                                                                                                  RN35B                                                                                                                                                      R794                   10KOhm
                               5    1KOhm    6 RN34C                                                                 5   300Ohm 6
                                                                                                                                  RN35C                                                   For future processors
                               7    1KOhm    8 RN34D                            U52A                                 7   300Ohm 8
                                                                                                                                  RN35D                                                                                                                                                      300Ohm
B                                                                              VCC                                                                                                                                                                                                                                                                                                              B
                                                                      1                 2                                     CPU_RST#                                       CPU_VID1               1              2
         11 HTCPU_RST#
                                                                                                                                                                                                   R793           300Ohm
                                                                               GND                                                                                                                                                                                      H_PROCHOT#                                                PROCHOT#
                                                                                                                                                                                                                                                                                                                                                                   PROCHOT#         28

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