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A8N_A8Dc


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                 A                                        B                                          C                                        D                                                  E




                     A8N_A8Dc AMD/MCP67MV/MCP67D BLOCK DIAGRAM
                                                                        BATTERY
1
    Sub block Diagram /                                                  TYPE
                                                                                                                                                                                                                                      1



    BOM option                                                          3S2P
                         64
                                                                                                                                                                                            POWER
                                                                                                                                                                                            SEQENCE
                                                                                                                                                                                                   2
                                                                                                                      CPU
                                                                                         CPU              ....        CAP        5
                                                                                                                                        DDR2 533/667/800
                                                                                   AMD Turion 64 F/G                                    SODIMM X2                     DDR
                                     LFB    LFB   LFB     LFB
                                                                                                  3,4
                                                                                                               DDR2 SDRAM                +1.8V
                                                                                                                                                      ....            CAP/RES
                                                                                                                                                                             9
                                                                                                                                         +0.9VS
2
       DVI Dual                                                                             HOST BUS           533/667/800 MHz                     7,8                                                                                2
       CH.    47
                                     Nvidia                               PCI-E
       CRT & TV
                        VGA       NB8x series                         VGA x16                                                                                                               DCIN
       CON    46
                        CON           ATI                             CON                                                                                                                   RTC
                                  M7x series                                                                                                                                                FAN CON.

       LVDS & INV                      VGA BAORD                      70
       CON     45
                                                                                                                                                                                             THERMAL
                                                                                     MCP67MV/D                                                                                               CONTROL 50
       VCORE                                                  USB2.0
                               USB x4                                                                                       PCI EXPRESS X1
3                                     52                          SATA                                                                                                                                                                3
       SYSTEM
                                                                                                               PCI_BUS      3.3V, 33MHz
       1.5VS & 1.05VS          B/T
                                                                            PATA
                                                                                                         ACZ
                                      61
                                                   SATA               ODD                    11~24
                                                   HDD                Master                                                         CARDBUS           LAN 1G             MINI CARD              NEW
       DDR & VTT                                                                                                                                                          x2                     CARD
                              Camera               51                 51                                               4 IN 1        RICOH             RTL8111B
                              FingerPrint                                                                                            R5C833                                        53                          43
                                                                                                                       CARD                                 33
                                      68                                                                               READER
       +3VAO & +2.5VS
                                                                            LPC, 33MHz                                        42
                                                                                                                                                                                      RJ11,RJ45
       CHARGER                                                                                   Azalia
                                                                                                                                                       LAN IO                         CON
4                                                                                                ALC660                                                                                       34                                      4



       PIC
                                                                            TPM 62
                          KBC                                               Module
                                                                                                 OP             MDC                                        SW & LED
       DETECT             IT8511E                                                                TPA0212        CON                                                     56
                                                                                                                      34
                                KB                            NEW CARD
       PROTECT                                                (DEBUG)
                                                                                                                            67                                   60
                                ISA
                                ROM                                                                                                                   AC & BAT CON
                                                                                                                  USB x1                              FAN CTRL
       LOAD SWITCH                                                                                   PHONE
                                                           55
                                T/P                 SIO                                                                                                                 50
5      FLOWCHART                       30,31        LPC47N217                                                                                                                                                                         5
                                                                                                                   1394
                                                                                                     MIC_IN
                                                                                                                   SLOT                                                                        Title : BLOCKDIAGRAM
                                                                                                                            40                                                                Engineer:
                                                                                                                                                                 ASUSTeK COMPUTER INC
       SIGNAL                                                                                                                                                                                                Allen_CD Wu
                                                                FIR                                                                                                Size    Project Name                                         Rev
                                                                                                                                                                  Custom           A8N_A8Dc                                     1.0
                                                                                                                                                                Date:        ,   01, 2007            Sheet     1    of     94

                 A                                        B                                          C                                        D                                                  E
                 5                      4                                  3                        2                                               1




                                                 Reset
                                                      IC

                                                                     PWR_SW#       6    Power On
                                                 2                                       SWITCH
D                                                                                                                                                                                D


                      +5VA
    AC_BAT_SYS                   1                                    5 PWRGD_SB
                                     +3VA_EC                                                                SLP_S4#
                      +3VA                                 EC                          PWRGD_SB
                                                                                                                           To EC
                      +3VA_EC                                         7 PM_PWRBTN#
                                                      IT8511E                                               SLP_S3#
                                 3   VSUS_ON

                      +1.2VSUS
                      +3VSUS     4   SUS_PWRGD
                      +5VSUS
                      +12VSUS
                                                                                                                                             14
C
             8                                                         13 PM_PWROK
                                                                                                                                                                                 C


                                                                                       PWRGD
            SUSC_ON
                      +1.5V
                      +1.8V
                      +3V                                                                               15
                      +5V                                                              MCP67MV/D
                      +12V                                                                         HT_CPU_RESET#
                                       10                                                                                        Merom
                                                                12
                      +0.9VS
                      +1.2VSP
                      +1.2VS
B
                      +1.25VS                    11                                                                                                                              B



                      +1.5VS
                      +1.8VS
             9        +2.5VS
                      +3VS
            SUSB_ON
                      +5VS
                      +12VS

                                                                                                   Power On Sequence
                                                                                                        1                                    15
A
                                                 +VCORE                                                                                                                          A




                                                                                                                                               Title : PowerOn sequence
                                                                                                                  ASUSTeK COMPUTER INC        Engineer:
                                                                                                                    Size    Project Name                                   Rev
                                                                                                                   Custom            A8N_A8Dc                             1.0
                                                                                                                 Date:       ,    01, 2007          Sheet   2   of   94
                 5                      4                                  3                        2                                               1
                            5                                                                                                 4                                                                                                      3                                                                                                                      2                                                                                                   1



                                                                        U201A

      10 HT_CPU_RX_CLK1                                           J5    L0_CLKIN_H1            L0_CLKOUT_H1           Y4                         HT_CPU_TX_CLK1 10
      10 HT_CPU_RX_CLK#1                                          K5    L0_CLKIN_L1            L0_CLKOUT_L1           Y3                         HT_CPU_TX_CLK#1 10
      10 HT_CPU_RX_CLK0                                           J3    L0_CLKIN_H0            L0_CLKOUT_H0           Y1                         HT_CPU_TX_CLK0 10
      10 HT_CPU_RX_CLK#0                                          J2    L0_CLKIN_L0            L0_CLKOUT_L0           W1                         HT_CPU_TX_CLK#0 10
       CHANGE     1211-06                 HT_CPU_RXCTL1           P3                                                  T5
                                          HT_CPU_RXCTL#1                L0_CTLIN_H1            L0_CTLOUT_H1                       CHANGE        1211-06
                                                                  P4                                                  R5
                                                                        L0_CTLIN_L1            L0_CTLOUT_L1
      10 HT_CPU_RXCTL0                                            N1                                                  R2                         HT_CPU_TXCTL0 10
                                                                        L0_CTLIN_H0            L0_CTLOUT_H0
      10 HT_CPU_RXCTL#0                                           P1                                                  R3                         HT_CPU_TXCTL#0 10
                                                                        L0_CTLIN_L0            L0_CTLOUT_L0

      10   HT_CPU_RXD15                                           N5                                                  T4                         HT_CPU_TXD15 10                                              0.04A
                                                                        L0_CADIN_H15          L0_CADOUT_H15
      10   HT_CPU_RXD#15                                          P5                                                  T3                         HT_CPU_TXD#15 10
                                                                        L0_CADIN_L15          L0_CADOUT_L15                                                                                                        +2.5VS                   Irat=1A
      10   HT_CPU_RXD14                                           M3                                                  V5                         HT_CPU_TXD14 10
                                                                        L0_CADIN_H14          L0_CADOUT_H14
      10   HT_CPU_RXD#14                                          M4                                                  U5                         HT_CPU_TXD#14 10
                                                                        L0_CADIN_L14          L0_CADOUT_L14                                                                                                                                       L201
D     10   HT_CPU_RXD13                                           L5
                                                                        L0_CADIN_H13          L0_CADOUT_H13
                                                                                                                      V4                         HT_CPU_TXD13 10                                                                                                         40mA                                                                                                                                                                                                                                         D
                                                                  M5                                                  V3                                                                                                    30Ohm/100Mhz 1               2
      10   HT_CPU_RXD#13                                                L0_CADIN_L13          L0_CADOUT_L13                                      HT_CPU_TXD#13 10
      10   HT_CPU_RXD12                                           K3                                                  Y5                         HT_CPU_TXD12 10
                                                                        L0_CADIN_H12          L0_CADOUT_H12                                                                                             C207             C203
      10   HT_CPU_RXD#12                                          K4                                                  W5                         HT_CPU_TXD#12 10
                                                                        L0_CADIN_L12          L0_CADOUT_L12                                                                                             10UF/10V         10UF/10V                                              C204             C205                C206
      10   HT_CPU_RXD11                                           H3                                                  AB5                        HT_CPU_TXD11 10
                                                                        L0_CADIN_H11          L0_CADOUT_H11
      10   HT_CPU_RXD#11                                          H4                                                  AA5                        HT_CPU_TXD#11 10
                                                                        L0_CADIN_L11          L0_CADOUT_L11                                                                                                                                                              4.7UF/6.3V       0.22UF/16V        3300PF/25V
      10   HT_CPU_RXD10                                           G5    L0_CADIN_H10                                  AB4                        HT_CPU_TXD10 10
                                                                                              L0_CADOUT_H10
      10   HT_CPU_RXD#10                                          H5    L0_CADIN_L10          L0_CADOUT_L10           AB3                        HT_CPU_TXD#10 10
      10   HT_CPU_RXD9                                            F3    L0_CADIN_H9            L0_CADOUT_H9           AD5                        HT_CPU_TXD9 10
      10   HT_CPU_RXD#9                                           F4    L0_CADIN_L9            L0_CADOUT_L9           AC5                        HT_CPU_TXD#9 10
                                                                  E5                                                  AD4                                                                         GND              GND                                                                  GND
      10   HT_CPU_RXD8                                                  L0_CADIN_H8            L0_CADOUT_H8                                      HT_CPU_TXD8 10
      10   HT_CPU_RXD#8                                           F5    L0_CADIN_L8            L0_CADOUT_L8           AD3                        HT_CPU_TXD#8 10
                                                                                    HYPERTRANSPORT
      10   HT_CPU_RXD7                                            N3    L0_CADIN_H7            L0_CADOUT_H7           T1                         HT_CPU_TXD7 10
      10   HT_CPU_RXD#7                                           N2    L0_CADIN_L7            L0_CADOUT_L7           R1                         HT_CPU_TXD#7 10
                                                                  L1                                                  U2                                                                                                                                                       C201
      10   HT_CPU_RXD6                                                  L0_CADIN_H6            L0_CADOUT_H6                                      HT_CPU_TXD6 10
      10   HT_CPU_RXD#6                                           M1    L0_CADIN_L6            L0_CADOUT_L6           U3                         HT_CPU_TXD#6 10                                                                     10       CPUCLK                           2    1 3900PF/25V
                                                                  L3                                                  V1                                                                                                                                                                                                                                                                                  +1.8V
      10   HT_CPU_RXD5                                                  L0_CADIN_H5            L0_CADOUT_H5                                      HT_CPU_TXD5 10
      10   HT_CPU_RXD#5                                           L2    L0_CADIN_L5            L0_CADOUT_L5           U1                         HT_CPU_TXD#5 10
      10   HT_CPU_RXD4                                            J1    L0_CADIN_H4            L0_CADOUT_H4           W2                         HT_CPU_TXD4 10                              Place 169ohm no more than 500mils from CPU                                                           R217
                                                                  K1                                                  W3                                                                                                                                                                        169Ohm
      10   HT_CPU_RXD#4                                                 L0_CADIN_L4            L0_CADOUT_L4                                      HT_CPU_TXD#4 10
                                                                  G1                                                  AA2                                                                                                                                                                         1%                                                    U201D
      10   HT_CPU_RXD3                                                  L0_CADIN_H3            L0_CADOUT_H3                                      HT_CPU_TXD3 10
                                                                  H1                                                  AA3                                                                                                                                                      C202
      10   HT_CPU_RXD#3                                                 L0_CADIN_L3            L0_CADOUT_L3                                      HT_CPU_TXD#3 10
      10   HT_CPU_RXD2                                            G3                                                  AB1                        HT_CPU_TXD2 10                                                                      10       CPUCLK#                          2    1 3900PF/25V                                   +2.5VDDA        F8
                                                                        L0_CADIN_H2            L0_CADOUT_H2                                                                                                                                                                                                                                                VDDA1                                                R209
      10   HT_CPU_RXD#2                                           G2                                                  AA1                        HT_CPU_TXD#2 10                                                                                                                                                                                   F9
                                                                        L0_CADIN_L2            L0_CADOUT_L2                                                                                                                                                                                                                                                VDDA2                                                300Ohm                    R210                  R211
      10   HT_CPU_RXD1                                            E1                                                  AC2                        HT_CPU_TXD1 10
                                                                        L0_CADIN_H1            L0_CADOUT_H1                                                                                                                                           R218 1
      10   HT_CPU_RXD#1                                           F1                                                  AC3                        HT_CPU_TXD#1 10                                                                    +1.8V                                      2 300Ohm                                           CPUCLK_R         A9                                                                                   300Ohm                  300Ohm
                                                                        L0_CADIN_L1            L0_CADOUT_L1                                                                                       +1.8V    +1.8V                                      R219 1                                                                                               CLKIN_H
      10   HT_CPU_RXD0                                            E3                                                  AD1                        HT_CPU_TXD0 10                                                                     +1.8V                                      2 300Ohm                                           CPUCLK_R#        A8
                                                                        L0_CADIN_H0            L0_CADOUT_H0                                                                                                                                           R220 1                                                                                               CLKIN_L
      10   HT_CPU_RXD#0                                           E2                                                  AC1                        HT_CPU_TXD#0 10                                                                    +1.8V                                      2 300Ohm
                                                                        L0_CADIN_L0            L0_CADOUT_L0
                                                                                                                                                                                                                                                                  10 HT_CPU_PWRGD                                                               A7                                          A5                                   CPU_VID5     80
                                                                        SOCKET638                                                                                                                                                                                                                                                                          PWROK                    VID5
                                                                                                                                                                                                                                                                  10 HT_CPU_STOP#                                                              F10                                          C6                                   CPU_VID4     80
                                                                                                                                                                                                    R225   R221                                                                                                                                            LDTSTOP_L                VID4
                                                                                                                                                                                                                                                                  10 HT_CPU_RESET#                                                              B7                                          A6                                   CPU_VID3     80
                                                                                                                                                                     0105-07                        300Ohm 300Ohm                                                                                                                                          RESET_L                  VID3
                                                                                                                                                                                                                                                                                                                                                                                            A4                                   CPU_VID2     80
                                                                                                                                                                     CHANGE                                                                                                                                                                                                         VID2
                                                                                                                                                                                                                                                  +1.8V                                     1 R226          2 1KOhm        CPU_PRESENT#        AC6                                          C5                                   CPU_VID1     80
                                                                                                                                                                                                                                                                                                                                                           CPU_PRESENT_L            VID1
                                                                                                                                                                                                                                                                                                                                                                                            B5                                   CPU_VID0     80
                                                                                                                                                                           R240 1 0Ohm                              CPU_SIC_L                                                                                                                                                       VID0
                                                                                                                                           14        CPU_SIC                                  2
            0.5A                                                                                                                                                           R241 1 0Ohm        2                     CPU_SID_L                                                                 R201 1        @         2 300Ohm CPU_SIC_L AF4                                                AF6             CPU_THERMTRIP#
                                                                                                                                           14        CPU_SID                                                                                                                                                                                               SIC           THERMTRIP_L
           +1.2VS_HT                                                                                                                                                                                                                                                                                                           CPU_SID_L AF5                                                AC7                                                                 1 R0301          2 CPU_PROCHOT#
                                                                                                                                                                                                                                                                 GND                                                                                       SID            PROCHOT_L                                                                               0Ohm
C                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     C
                                                                                                                                                                                                                                                                                                        1           CPU_TDI                    AF9                                          AE9             CPU_TDO       1          T213    TPC28T
    R227                                                                                                                                                                                                                                                                                                                                                   TDI                      TDO
              2             1 49.9Ohm     HT_CPU_RXCTL1                                                                                                                                                                                                                        T215     TPC28T          1           CPU_TRST#                  AD9         TRST_L
                                                                                                                                                                                                                                                                               T216     TPC28T          1           CPU_TCK                    AC9                       MISC
    R231                                                                                                                                                                                                                                                                                                                                                   TCK
              2             1 49.9Ohm     HT_CPU_RXCTL#1                                                                                                                                                                                                                       T217     TPC28T          1           CPU_TMS                    AA9         TMS
                                                                                                                                                                                                                                                                               T218     TPC28T
                                                                                                                                                                                                                                                                                                        1       CPU_DBREQ#                     E10                                          G10           CPU_DBRDY       1          T214    TPC28T
           GND                                                                                                                                                                                                                                            CHECK                T219     TPC28T                                                             DBREQ_L                DBRDY
                   CHANGE       1211-06                                                                                                                                                                                                                                                                             CPU_VDD_FB                     F6                                       W9          CPU_VDDIO_FB_H           1       T207 TPC28T
                                                                                                                                                                                                                                                                       80 CPU_VDD_FB                                                                       VDD_FB_H        VDDIO_FB_H
                                                                                                                                                                                                                                                                                                                    CPU_VDD_FB#                    E6                                       Y9          CPU_VDDIO_FB_L           1       T208 TPC28T 0.5A
                                                                                                                                                                                                                                                                       80 CPU_VDD_FB#                                                                      VDD_FB_L        VDDIO_FB_L                                          CHANGE    0105-07
                                                                                                                                                                                                                                                                                                                      1 CPU_VTT_SENSE          Y10         VTT_SENSE               PSI_L    A3                                       PSI#      80
                                                                                                                                                                                                                                                                                                                                                                                                                                                   +1.2VS_HT
                                                                                                                                                                                                                                                                                          T201      TPC28T
                                                                                                                                                                                                                                                                                                                                               W17                                          P6         CPU_HTREF1    1 R212          2 44.2Ohm
                                                                                                                                                                                                                                                                                       R203 1                                                              M_VREF                HTREF1
                                                                                                                                                                                                                                                                   +1.8V                                    2 39.2Ohm             CPU_M_ZN    AE10         M_ZN                  HTREF0     R6         CPU_HTREF0    1 R213          2 44.2Ohm
                                                                                                                                                                                                                                                         GND                           R204 1               2 39.2Ohm             CPU_M_ZP    AF10         M_ZP
                                                                                          15mils trace,20mil spece /Shorter than 6"                                                                                                                                                                    R205     1             2   510Ohm        E9                                          C9      CPU_TEST29                              R214          GND
                                                                                                                                                                                                                                                                               +1.8V                                                                       TEST25_H             TEST29_H
                                                                                                                                                                                                                                                                                GND                    R206     1             2   510Ohm        E8                                          C8     CPU_TEST29#                              80.6Ohm
                                                                                                                      JP201                                                                                                                                                                            R207                       300Ohm                   TEST25_L             TEST29_L
                                                                                                                                                                                                                                                                                                                1             2                 G9
                                      +1.8V                       CPU_VREF                                                                                                                                                                                                                             R208                       300Ohm                   TEST19
                                                                                                                  1                   2                                                                                                                                                                         1             2                H10
                                                                                                                                                                                                                                                                                                                                                           TEST18
                                                                                                                                                                                                                                                                                                                                               AA7
                                                   L202                                                               SHORT_PIN                                                                                                                                                                                                                            TEST13
                                                                                                                                                                                                                                                                                                                                                C2
                                                                                                     +5V                                                                                                                                                                         GND                                                                       TEST9                                                                             T209     TPC28T
                                              1           2                                                                                                                                                                                                                                                                                                                                 AE7                                 1
                                                                                                                                                                                                                                                                                          GND                                                                                     TEST24                                                     T210     TPC28T
                                                                                                                                                                                                                                                                                                            1                                   D7                                          AD7                                 1
                                                                                                                                                                                                                                                                                 T202     TPC28T                                                           TEST17                 TEST23                                                     T211     TPC28T
                                                  120Ohm/100Mhz
                                                                                                                                                                                                                                                                                 T203     TPC28T
                                                                                                                                                                                                                                                                                                            1
                                                                                                                                                                                                                                                                                                            1
                                                                                                                                                                                                                                                                                                                                                E7
                                                                                                                                                                                                                                                                                                                                                F7
                                                                                                                                                                                                                                                                                                                                                           TEST16                 TEST22
                                                                                                                                                                                                                                                                                                                                                                                            AE8
                                                                                                                                                                                                                                                                                                                                                                                            AB8        R215 1
                                                                                                                                                                                                                                                                                                                                                                                                                                1
                                                                                                                                                                                                                                                                                                                                                                                                                         2 300Ohm
                                                                                                                                                                                                                                                                                                                                                                                                                                                                check,F3T mount
                                                                                                                              C211                                                                                                                                               T204     TPC28T                                                           TEST15                 TEST21                                                     T212     TPC28T
                                                                                                                                                                                                                                                                                                            1                                   C7                                          AF7                                 1
                                                              R229                                                          0.1UF/25V                                                                                                                                            T205     TPC28T                                                           TEST14                 TEST20
                                                                                                                                                                                                                                                                                                            1                                  AC8
                                                              2KOhm                                                           @                                                                                                                                                  T206     TPC28T                                                           TEST12
                                                                                                                                                                                                                                                                                                                                                                                            J7
                                                              1%                                                                                                                                                                                                                                                                                                                TEST28_H                                                                       GND
                                                                                                                                                                                                                                                                                                                                                C3                                          H8
                                                                                                           U202                                                                                                                                                                                                                                            TEST7                TEST28_L
                                                                                                                                                                                                                                                                                                                                               AA6                                          AF8
                                                                                                         V+           GND                 R228                                                                                                                                                                                                             TEST6                  TEST27               R216 1
                                                                                               1     +                                                                                                                                                                          50 CPU_THERM_DC                                                 W7                                          AE6                          2 300Ohm              +1.8V
                                                                                                                                                                                                                                                                                                                                                                                                                                                          check,F3T mount
                                                                                                                                                                           CPU_M_VREF                                                                                                                                                                      THERMDC                TEST26
                                                                                                                  4               1              2                                                                                  CPU_M_VREF 8                                50 CPU_THERM_DA                                                 W8         THERMDA                          K8
                                                                                                                                      10Ohm                                                                                                                                                                                                                                       TEST10
                                                                                               3     -                                                                                                                                                                                                                                          Y6         TEST3                   TEST8    C4
                                                                                                         V-                             @                                                                                                                                                                                                      AB6
                                                              R230                                       LMV321IDBVR                                                     C209                                                                                                                                                                              TEST2
                                                              2KOhm            C212                         @                                             C210                               C208                                                                                                                                                       SOCKET638
B                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     B
                                                              1%           0.1UF/25V                                                                      39PF/50V         0.1UF/25V         1000PF/50V
                                                                                                     GND                                                                                                                                                                                                                                                                                                                                                       +3VSUS


                                                                                                                                                                                                                                                                                                                                                                                                                                                   0103-07
                                                                                                                                                                                                                                                                                                                                                                                                                   



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