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A8E-A8S


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                 A                                        B                                             C                                                 D                                                        E




                         A8E/A8S Merom/GM965/PM965 BLOCK DIAGRAM
                                                                              BATTERY
1
    Sub block Diagram /                                                        TYPE
                                                                                                                                                                                                                                                    1



    BOM option                                                                3S2P
                         64
                                      CLOCK GEN
                                     ICS9LPR363AGLF-T
                                                              29
                                                                                             CPU
                                                                                                                          CPU
                                                                                             MEROM      3,4     ....      CAP         5
                                                                                                                                                              POWER
                                                                                                                                                              SEQENCE
                                     LFB    LFB   LFB     LFB                                                                                                        2
2
       DVI   Dual                                                                               HOST BUS                                                                                                                                            2
       CH.     47
                                     Nvidia                                     PCI-E
       CRT & TV
                        VGA       NB8x series                            VGA x16
                                                                                                              DDR2 SDRAM 533/667MHz
                                                                                                                                                 DDR2 533/667
                                                                                                                                                                              DDR
                                                                                                                                                                                                               DCIN
       CON    46
                        CON           ATI                                CON             CRESTLINE                                               SODIMM X2
                                                                                                                                                                ....          CAP/RES
                                                                                                                                                                                                               RTC
                                  M7x series                                             GM965/PM965                                             +1.8V
                                                                                                                                                 +0.9VS
                                                                                                                                                                                     9                         FAN CON.
                                                                                                                                                              7,8
       LVDS & INV                      VGA BAORD                         70                          11~15
       CON     45
                                                                                                                                                                                                               THERMAL
                                                                                               X4 DMI                                                                                                          CONTROL50
       VCORE                                                   USB2.0
                               USB x4                                                                    PCI EXPRESS X1
3                                     52                       SATA                                                                                                                                                                                 3
       SYSTEM
                                                                                                         PCI_BUS              3.3V, 33MHz
                                                                                             ICH8M
       1.5VS & 1.05VS          B/T
                                                                                  PATA
                                                                                                         ACZ
                                      61
                                                   SATA                  ODD                   20~24
                                                   HDD                   Master                                                             CARDBUS                  LAN 1G            MINI CARD                   NEW
       DDR & VTT
                              Camera               51                    51                                               4 IN 1            RICOH                    RTL8111B          x2                          CARD
                                                                                                                                                                                               53                              43
                              FingerPrint                                                                                 CARD              R5C833                        33
                                      68
       +3VAO & +2.5VS                                                                                                     READER




                                                                                                                                          1394
                                                                                LPC, 33MHz                                       42
                                                                                                                                                                                                    RJ11,RJ45
       CHARGER                                                                                         Azalia
                                                                                                                                                                     LAN IO                         CON
                                                                                                                                                                                                           34
4                                                                                                      ALC660                                                                                                                                       4



       PIC
                                                                               TPM 62
                          KBC                                                  Module                  OP          MDC                                                SW & LED
       DETECT             IT8511E                                                                      TPA0212     CON
                                                                                                                         34
                                                                                                                                                                                    56

                            KB                                 NEW CARD
       PROTECT                                                 (DEBUG)
                                                                                                                                 67                                            60
                                ISA
                                                                                                                                                                    AC & BAT CON
                                ROM                                                                                  USB x1                                         FAN CTRL
       LOAD SWITCH                                                                                       PHONE
                                                           55
                                T/P                 SIO                                                                                                                        50
5      FLOWCHART                       30,31        LPC47N217                                                         1394                                                    
                                                                                                                                                                                                                                                    5

                                                                                                         MIC_IN
                                                                                                                      SLOT 40                                                                                    Title : BLOCKDIAGRAM
       SIGNAL                                                                                                                                                                  ASUSTeK COMPUTER INC             Engineer:
                                                                   FIR
                                                                                                                                                                                Size     Project Name                                         Rev
                                                                                                                                                                                Custom            A8ES                                        2.0
                                                                                                                                                                              Date: Monday, January 29, 2007           Sheet   1    of   94
                 A                                        B                                             C                                                 D                                                        E
                 5                             4                                                               3                                         2                                                                  1




                                                                         Reset
                                                                             IC

                                                                                                    PWRSW#_EC         6        Power On
                                                                         2                                                      SWITCH
D                                                                                                                                                                                                                                                       D


                        +5VA
    AC_BAT_SYS                        1                                                                  7 PM_PWRBTN#
                                          +3VA_EC                                                                                                                  SLP_S4#
                        +3VA                                                              EC
                                                                                                                                                                                           To EC
                        +3VA_EC                                                                          5 PM_RSMRST#           ICH8
                                                                             IT8511E                                                                               SLP_S3#
                                      3   VSUS_ON                                                                                                            SLP_S3# + VRMPWRGD
                                                                                                                           VRMPWRGD
                                                                                                          EC_CLK_EN
                                                                                                                                                             PWROK + VRMPWRGD
                                                                                                                           CL_PWROK
                                                                                                               13          PWROK
                        +3VSUS        4   SUS_PWRGD
                        +5VSUS




                                                                                               SUSB_ON
                                                                                               SUSC_ON
                        +12VSUS




                                                                                                                                       PLT_RST#




                                                                                                                                                                                                  H_PWRGD
C
             8                                                                                                                                                                                                16                                        C




                                                      ALL_SYSTEM_PWRGD
                                                                                                                                                  16
            SUSC_ON
                         +1.8V
                         +3V
                         +5V
                         +12V                                                                                                                                      17

                                                                              CPU_PWRGD
                                                                                                                                                         H_CPURST#
                                               10                                                        15                    965PM                                                             Merom
                                                                                                                           CL_PWROK
                                                                                                PM_PWROK
                                                                                                                           PWROK
                                                                         12
B
                        +0.9VS                                                                                                                                                                                                                          B
                        +1.5VS                                                                                                                                   14
                        +1.25VS
                                                                                                                                                        CLK_PWRGD
                        +2.5VS                                                                                                  CLK
                 9      +3VS                                                                                                    Gen.
                        +5VS                                                                                                                           CLK_PWRGD asserted when both
            SUSB_ON
                        +12VS                                                                                                                          PM_SUSB# and VRM_PWRGD are
                                                                                                                                                       high.




                      Delay    11   CPU_VRON                                                                                     Power On Sequence
                      99ms
                                                                         +VCORE                               Check
A
                                                                                                              sequence 14&15              1                                             17                                                              A




                                                                                                                                                                                                                       Title : PowerOn sequence
                                                                                                                                                                                   ASUSTeK COMPUTER INC               Engineer:
                                                                                                                                                                                    Size     Project Name                                         Rev
                                                                                                                                                                                    Custom                  A8ES                              1.0
                                                                                                                                                                                  Date: Wednesday, October 11, 2006         Sheet   2   of   94
                 5                             4                                                               3                                         2                                                                  1
              5                                                                                                        4                                                                                 3                                                                                             2                                                                          1




                                                                                          H_D#[63:0]
                                 10      H_D#[63:0]

                                                                                    H_A#[35:3]
                                 10        H_A#[35:3]
D                                                                                                                              T0301                                                                                                                                                                                                                                                                                         D
                                                                                    H_REQ#[4:0]                                  T0302
                                                                                                                               TPC26T
                                 10      H_REQ#[4:0]
                                                                                                                                 TPC26T




                                                                                                                             1
                                                                                                                                 1
                                                  CPU1A                                                                                                                                                                                                       CPU1B
                          H_A#3              J4                                                                  H1                                                                                                                 H_D#0         E22                                                                      Y22     H_D#32
                                                  A[3]#                                                 ADS#                                     H_ADS#        10                                                                                                 D[0]#                                      D[32]#




                                                          ADDR GROUP 0
                                                          ADDR GROUP 0
                          H_A#4              L5                                                                  E2                                                                                                                 H_D#1         F24                                                                      AB24    H_D#33
                                                  A[4]#                                                 BNR#                                     H_BNR#        10                                                                                                 D[1]#                                      D[33]#
                          H_A#5              L4                                                                  G5                                                                                                                 H_D#2         E26                                                                      V24     H_D#34
                                                  A[5]#                                                 BPRI#                                    H_BPRI#       10                                                                                                 D[2]#                                      D[34]#
                          H_A#6              K5                                                                                                                                                                                     H_D#3         G22                                                                      V26     H_D#35
                                                  A[6]#                                                                                                                                                                                                           D[3]#                                      D[35]#




                                                                                                                                                                                                                                                                                       DATA GRP 0
                          H_A#7              M3                                                                  H5                                                                                                                 H_D#4         F23                                                                      V23     H_D#36
                                                  A[7]#                                           DEFER#                                         H_DEFER# 10                                                                                                      D[4]#                                      D[36]#
                          H_A#8              N2                                                                  F21                                                                                                                H_D#5         G25                                                                      T22     H_D#37
                                                  A[8]#                                            DRDY#                                         H_DRDY# 10                                                                                                       D[5]#                                      D[37]#
                          H_A#9              J1                                                                  E1                                                                                                                 H_D#6         E25                                                                      U25     H_D#38
                                                  A[9]#                                            DBSY#                                         H_DBSY# 10                                                                                                       D[6]#                                      D[38]#
                          H_A#10             N3                                                                                                                                                                                     H_D#7         E23                                                                      U23     H_D#39
                          H_A#11                  A[10]#                                                                                                                                                                            H_D#8                         D[7]#                                      D[39]#                H_D#40
                                             P5   A[11]#                                                 BR0#    F1                              H_BR0#        10                                                                                 K24             D[8]#                                      D[40]#        Y25




                                                                                                                                                                                                                                                                                                    DATA GRP 2
                          H_A#12             P2                                                                                                                           +VCCP_CPU                                                 H_D#9         G24                                                                      W22     H_D#41
                                                  A[12]#                                                                                                                                                                                                          D[9]#                                      D[41]#




                                                                                              CONTROL
                          H_A#13             L2                                                                  D20 H_IERR#     R0301         56Ohm                                                                                H_D#10        J24                                                                      Y23     H_D#42
                          H_A#14                  A[13]#                                                IERR#                                                                                                                       H_D#11                        D[10]#                                     D[42]#                H_D#43
                                             P4   A[14]#                                                 INIT#   B3                              H_INIT#       20                                                                                 J23             D[11]#                                     D[43]#        W24
                          H_A#15             P1                                                                                                                                                                                     H_D#12        H22                                                                      W25     H_D#44
                          H_A#16                  A[15]#                                                                                                                                                                            H_D#13                        D[12]#                                     D[44]#                H_D#45
                                             R1   A[16]#                                                LOCK#    H4                              H_LOCK# 10                                                                                       F26             D[13]#                                     D[45]#        AA23
                                             M1                                                                                                                                                                                     H_D#14        K22                                                                      AA24    H_D#46
    10   H_ADSTB#0                                ADSTB[0]#                                                                                                                                                                                                       D[14]#                                     D[46]#
                                                                                                                 C1                                                                                                                 H_D#15        H23                                                                      AB25    H_D#47
                                                                                                  RESET#                                         H_CPURST# 10                                                                                                     D[15]#                                     D[47]#
                          H_REQ#0            K3                                                                  F3        H_RS#0                                                                                                                 J26                                                                      Y26
                                                  REQ[0]#                                          RS[0]#                                        H_RS#0  10                                                  10    H_DSTBN#0                                      DSTBN[0]#                               DSTBN[2]#                              H_DSTBN#2 10
                          H_REQ#1            H2                                                                  F4        H_RS#1                                                                                                                 H26                                                                      AA26
                                                  REQ[1]#                                          RS[1]#                                        H_RS#1  10                                                  10    H_DSTBP#0                                      DSTBP[0]#                               DSTBP[2]#                              H_DSTBP#2 10
                          H_REQ#2            K2                                                                  G3        H_RS#2                                                                                                                 H25                                                                      U22
                                                  REQ[2]#                                          RS[2]#                                        H_RS#2  10                                                  10    H_DINV#0                                       DINV[0]#                                 DINV[2]#                              H_DINV#2 10
                          H_REQ#3            J3                                                                  G2
                                                  REQ[3]#                                          TRDY#                                         H_TRDY# 10
C                         H_REQ#4            L1                                                                                                                                                                                                                                                                                                                                                                              C
                                                  REQ[4]#                                                                                                                                                                           H_D#16                                                                                         H_D#48
                                                                                                         HIT#    G6                              H_HIT#        10                                                                                 N22             D[16]#                                     D[48]#        AE24
                          H_A#17             Y2                                                                  E4                                                                                                                 H_D#17        K25                                                                      AD24    H_D#49
                                                  A[17]#                                                HITM#                                    H_HITM#       10                                                                                                 D[17]#                                     D[49]#
                          H_A#18             U5                                                                                                                                                                                     H_D#18        P26                                                                      AA21    H_D#50
                          H_A#19                  A[18]#                                                                                         T0303                                                                              H_D#19                        D[18]#                                     D[50]#                H_D#51
                                             R3   A[19]#                                           BPM[0]#       AD4                     1                                                                                                        R23             D[19]#                                     D[51]#        AB22
                                                          ADDR GROUP 1
                                                          ADDR GROUP 1




                          H_A#20             W6                                                                  AD3       XDP_BPM#1             TPC26T                                                                             H_D#20        L23                                                                      AB21    H_D#52
                                                  A[20]#                                           BPM[1]#                                                                                                                                                        D[20]#                                     D[52]#




                                                                                                                                                                                                                                                                              DATA GRP 1
                          H_A#21             U4                                                                  AD1                     1       T0304                                                                              H_D#21        M24                                                                      AC26    H_D#53
                                                  A[21]#                                           BPM[2]#                                                                                                                                                        D[21]#                                     D[53]#
                                                                                XDP/ITP SIGNALS




                          H_A#22             Y5                                                                  AC4                     1       T0305
                                                                                                                                                 TPC26T                                                                             H_D#22        L22                                                                      AD20    H_D#54
                          H_A#23                  A[22]#                                           BPM[3]#                                       T0306                                                                              H_D#23                        D[22]#                                     D[54]#                H_D#55
                                             U1   A[23]#                                            PRDY#        AC2                     1       TPC26T                                                                                           M23             D[23]#                                     D[55]#        AE22
                          H_A#24             R4                                                                  AC1       H_PREQ#               TPC26T                                                                             H_D#24        P25                                                                      AF23    H_D#56
                          H_A#25                  A[24]#                                            PREQ#                  H_TCK                                                                                                    H_D#25                        D[24]#                                     D[56]#                H_D#57
                                             T5   A[25]#                                              TCK        AC5                                                                                                                              P23             D[25]#                                     D[57]#        AC25
                          H_A#26             T3                                                                  AA6       H_TDI                                                                                                    H_D#26        P22                                                                      AE21    H_D#58




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




                                                                                                                                                                                                      2
                          H_A#30             U2                                                                  C20       H_DBR#                                                                                                   H_D#30        T25                                                                      AF22    H_D#62                                  Comp0,2 connect with Zo=27.4 ohm,
                          H_A#31                  A[30]#                                             DBR#                                                                                     R0302                                 H_D#31                        D[30]#                                     D[62]#                H_D#63                                  make trace length shorter than 0.5".
                                             V4   A[31]#                                                                                                                                                                                          N25             D[31]#                                     D[63]#        AC23
                          H_A#32             W3                                                                                                                                               1KOhm                                               L26                                                                      AE25                                            Comp 1,3 connect with Z0=55 ohm,
                                                  A[32]#                                                                                                                                                          10   H_DSTBN#1                                  DSTBN[1]#                               DSTBN[3]#                              H_DSTBN#3 10
                          H_A#33            AA4                                THERMAL                                                                                                        1%                                                  M26                                                                      AF24                                            make trace length shorter than 0.5".
                                                  A[33]#                                                                                                                                                          10   H_DSTBP#1                                  DSTBP[1]#                               DSTBP[3]#                              H_DSTBP#3 10
                          H_A#34            AB2                                                                                                                                                                                                   N24                                                                      AC20
                                                                                                                                                                                                                  10   H_DINV#1                                                                                                                  H_DINV#3 10




                                                                                                                                                                                                      1
                          H_A#35                  A[34]#                                                                                                                                                                                                          DINV[1]#                                 DINV[3]#
                                            AA3   A[35]#                            PROCHOT#                     D21 H_PROCHOT_S#
                                             V1                                                                  A24                                                                                                              GTL_REF         AD26                                                                     R26    H_COMP0     R0303    1        2     27.4Ohm
    10   H_ADSTB#1                                ADSTB[1]#                           THRMDA                                                     CPU_THERM_DA 50                                                                                                  GTLREF                                         COMP[0]
                        T0307        1                                                                           B25                                                                                         R0304 2 @      1% 1 1KOhm             C23                      MISC                                           U26    H_COMP1      R0307   1        2     54.9Ohm
                                                                                      THRMDC                                                     CPU_THERM_DC 50                                                                                                  TEST1                                          COMP[1]




                                                                                                                                                                                                      2
                        TPC26T               A6                                                                                                                                                              R0306 2 @      1% 1 1KOhm             D25                                                                     AA1    H_COMP2      R0308   1        2     27.4Ohm
    20     H_A20M#                                A20M#                                                                                                                                                                                                           TEST2                                          COMP[2]




                                                                                                                                                                                         1
                                                                     ICH




                                             A5                                                                  C7                                                                            R0305                             T0308       1     C24                                                                     Y1     H_COMP3      R0309   1        2     54.9Ohm
    20    H_FERR#                                 FERR#                     THERMTRIP#                                                           PM_THRMTRIP# 11,20                                                                                               TEST3                                          COMP[3]
                                             C4                                                                                                                                C0301           2KOhm                             T0309
                                                                                                                                                                                                                                 TPC26T      1    AF26
    20   H_IGNNE#                                 IGNNE#                                                                                                                                                                                                          TEST4
                        T0310        1                                                                                                                                       0.1UF/10V         1%                                T0311
                                                                                                                                                                                                                                 TPC26T      1     AF1                                                                     E5                                                     H_DPRSTP# 11,20,80
                                                                                                                                                                                         2
                                                                                                                                                                                                                                 T0312                            TEST5                                 DPRSTP#
    20   H_STPCLK#      TPC26T               D5                                                                                                                                                                                  TPC26T      1     A26                                                                     B5                                                     H_DPSLP# 20




                                                                                                                                                                                                      1
                                                  STPCLK#                                                                                                                                                                                                         TEST6                                  DPSLP#
    20     H_INTR                            C6   LINT0                                    H CLK                                                                                                                                 TPC26T                                                                  DPWR#             D24                                                    H_DPWR# 10
B   20     H_NMI                             B4   LINT1                                            BCLK[0]       A22                             CLK_CPU_BCLK 29                                                         29   CPU_BSEL0            B22            BSEL[0]                              PWRGOOD             D6                                                     H_PWRGD 20                                 B
    20     H_SMI#                            A3   SMI#                                             BCLK[1]       A21                             CLK_CPU_BCLK# 29                                                        29   CPU_BSEL1            B23            BSEL[1]                                  SLP#            D7                                                     H_CPUSLP# 10
                                                                                                                                                                                                                         29   CPU_BSEL2            C21            BSEL[2]                                   PSI#           AE6                                                    PM_PSI# 80
                     T0313       1           M4                                                                                                                                                                                                                                                                                                                 1
                     T0314                        RSVD1                                                                                                                            Zo=55 ohm, 0.5" max                                                        SOCKET478B                                                                                                 T0315
                     TPC26T      1           N5   RSVD2                                                                                                                                                                                                                                                                                                         1
                     T0316
                     TPC26T      1           T2                                                                                                                                    for GTLREF                                                                                                                                                                   1       T0317
                                                                                                                                                                                                                                                                                                                                                                         TPC26T
                     T0318                        RSVD3                                                                                                                                                                                                                                                                                                                 T0319
                     TPC26T      1           V3   RSVD4                                                                                                                                                                                                                                                                                                                 TPC26T
                                                                         RESERVED




                     T0320
                     TPC26T      1           B2                                                                                                                                                                                                                                                                                                                         TPC26T
                     T0321                        RSVD5
                     TPC26T      1           C3   RSVD6
                     T0322
                     TPC26T      1           D2
                     T0323                        RSVD7
                     TPC26T      1          D22   RSVD8
                     T0324
                     TPC26T      1           D3
                     T0325                        RSVD9
                     TPC26T      1           F6   RSVD10
                     TPC26T                                                                                                Default Strapping When Not Used                                                                                       +VCCP_CPU

                                                  SOCKET478B                                                                                                                      +VCCP_CPU

                                                                                                                            XDP_BPM#1        R0311   1     @        2   54.9Ohm   1%                                                                      R0312
                                                                                                                            H_PREQ#          R0310   1              2   54.9Ohm   1%
                                                                                                                            H_TDI            R0313                      150Ohm    1%                                                                          68Ohm
                                                                                                                                                     1              2
                                                                                                                            H_TDO            R0315   1     @        2   54.9Ohm   1%
                                                                                                                            H_TMS            R0314   1              2   39Ohm     5%
                                                                                                                                                                                                                               H_PROCHOT_S#
                                                                                                                             H_DBR#          R0316   1     @        2 1KOhm1%          +3VS                                                           3
                                                                                                                                                                                                                                                  D           Q0301
                                                                                                                             H_TCK           R0318 1                2 27.4Ohm 1%
                                                                                                                             H_TRST#           R0317 1              2649Ohm
                                                                                                                                                                                                                                                              1
                                                                                                                                                                                                                                                                                           THRO_CPU 30
                                                                                                                                                                                                                                                          G
                                                                                                                                                                                                                                                  S 2
A                                                                                                                                                                                  GND                                                                        2N7002                                                                                                                                                         A




                                                                                                                                                                                                                                                                                                                                                                           Title : MEROM CPU (1)
                                                                                                                                                                                                                                                                                                                                     ASUSTeK COMPUTER INC                Engineer:
                                                                                                                                                                                                                                                                                                                                       Size    Project Name                                                            Rev
                                                                                                                                                                                                                                                                                                                                      Custom               A8ES                                                    1.0
                                                                                                                                                                                                                                                                                                                                    Date: Tuesday, January 30, 2007               Sheet        3      of          94

              5                                                                                                        4                                                                                 3                                                                                             2                                                                          1
    5                                          4                                                                                    3                                 2              



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