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ASUS A3F Rev.2.0 Schematic Diagram


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                5                                         4                                              3                                         2                                               1




                                                              A3F Block Diagram
                                                                                                                                                                                          FAN + SENSOR
                                                                                                                                                                                   PAGE 4



                                                                                                                                                                                              CLOCK GEN
                                                                                                                                                                                               ICS954310

D
                                                                                          CPU                                                                                      PAGE 5
                                                                                                                                                                                                                               D

                                                                                                                                                                                          DISCHARGER
                                                                                        YONAH-2M                                                                                          CIRCUIT
                                                                                                                                                                                   PAGE 36
                                                                                   PAGE 2,3

                                                                                                                                                                                     Power On Sequence
                                                                                                        FSB                                                                        PAGE 39
                                                                                                        667MHz
                                                                                                                                                                                          DEBUG PORT

                                            LVDS & INV                                    MCH-M                                                                                    PAGE 41


                                                                                                                         DDR2-667 Dual Channel DDR2
                                          PAGE 12                                        Calistoga                                          SO-DIMM X 2
                                                                                                                                                                                              CPU VCORE

                                            CRT & TV OUT                                  945GM                                   PAGE 14,15,16
                                                                                                                                                                                   PAGE 50


                                                                                       B0:02G010009121                                                                                    SYSTEM PWR
                                          PAGE 13
C                                                                                  PAGE 6,7,8,9,10,11                                                                                                                          C

                                                                                                        DMI interface                                                              PAGE 51



                                                                                                                                                                                       BAT & CHARGER
                                                                                                                        PCIE *1         MINI CARD
               SIR                                                                                                                                                                 PAGE 57
                                                                                                                                         WLAN
    PAGE 25
                                                                                                                                  PAGE 26
                                   SUPER I/O                  LPC
         COM PORT                                             33MHz
    PAGE 25
                                   SMSC
                                   LN47N217
                                                                                              ICH7-M                                        10/100 LAN
                                                                                                                                            RTL8100CL
                              PAGE 25                                 Azalia
       KEYPAD                                                                                                           PCI       PAGE 33,34
                                                                                                                                                                        PCMCIA
       MATRIX                                                                                                           33MHz                                 PAGE 31
                                                                                       B0:02G010008811
    PAGE 37
                                   EC IT8510E                                       PAGE
                                                                                    17,18,19,20
                                                                                                                                            CardBus                     1394
       INSTANT KEY                                                                                                                           R5C841
                                            PAGE 28,29
                                                                                              IDE            USB                                              PAGE 32
    PAGE 37                                                                                                                       PAGE 30
B                                                                                                                                                                                                                              B


                                                                                                                                                                CARD READER
                                                                                                                                                              PAGE 32
       LED Control
    PAGE 37
                                                                                 HDD                                                        Mini PCI
                                                                                                                   USB 2.0        PAGE 38
                                                                       PAGE 27                                     CON X4
                                                                                                             PAGE 35
                        ISA
                                                                                 ODD
                        ROM             Azalia Codec
                                          ALC660                       PAGE 27
                                                                                                                Bluetooth
              PAGE 24
                                          PAGE 21,22,23

                                                                                                             PAGE 26


                                        MDC
A                                       Connector                                                                  Camera
                                                                                                                                                                                                                               A
                                          PAGE 34


                                                                                                             PAGE 12

                                                                                                                                                                                               Title : BLOCK DIAGRAM
                                                                                                                                                            ASUSTeK COMPUTER INC
                                                                                                                                                                                              Engineer: Ping-Yen Tsai
                                                                                                                                                            Size   Project Name                                          Rev
                                                                                                                                                            Custom           A3F                                         2.0
                                                                                                                                                          Date: Wednesday, January 18, 2006         Sheet   1   of      63
                5                                         4                                              3                                         2                                               1
                               5                                                                                                             4                                                                   3                                                                   2                                                                                           1




          6 H_A#[16..3]
          6 H_REQ#[4..0]
          6 H_A#[31..17]




                                                                                                                                                 T200
                                                                                                                                                                                                                                                                                                                                                 H_D#[0..63] 6
                                                        U200A




                                                                                                                                             1
                                      H_A#3       J4                                                                        H1     H_ADS#
                                      H_A#4             A[3]#                                                     ADS#             H_BNR#                H_ADS#     6
D                                                 L4                                                                        E2                                                                                                                                               U200B                                                                                                                                   D
                                      H_A#5             A[4]#                                                     BNR#             H_BPRI#               H_BNR#     6                                                                                     H_D#0                                                                      H_D#32
                                                  M3    A[5]#                                                     BPRI#     G5                           H_BPRI#    6                                                                                                  E22   D[0]#                               D[32]#       AA23
                                      H_A#6       K5                                                                                                                                                                                                      H_D#1        F24                                                    AB24   H_D#33
                                      H_A#7             A[6]#                                                                      H_DEFER#                                                                                                               H_D#2              D[1]#                               D[33]#              H_D#34
                                                  M1    A[7]#                                                    DEFER#     H5                           H_DEFER# 6                                                                                                    E26   D[2]#                               D[34]#       V24




                                                                    ADDR GROUP 0
                                      H_A#8       N2                                                                        F21    H_DRDY#                                                                                                                H_D#3        H22                                                    V26    H_D#35
                                                        A[8]#                                                     DRDY#                                  H_DRDY# 6                                                                                                           D[3]#                               D[35]#




                                                                                                                                                                                                                                                                                                       DATA GRP 2
                                      H_A#9       J1                                                                        E1     H_DBSY#                                                                                                                H_D#4        F23                                                    W25    H_D#36
                                                        A[9]#                                                     DBSY#                                  H_DBSY# 6                                                                                                           D[4]#                               D[36]#




                                                                                                                                                                                                                                                                                         DATA GRP 0
                                      H_A#10      N3                                                                                                                                                                                                      H_D#5        G25                                                    U23    H_D#37
                                      H_A#11            A[10]#                                                                     H_BR0#                                         R201                                                                    H_D#6              D[5]#                               D[37]#              H_D#38
                                                  P5    A[11]#                                                     BR0#     F1                           H_BR0#     6                                                                                                  E25   D[6]#                               D[38]#       U25
                                      H_A#12      P2                                                                                                                              56Ohm                                                                   H_D#7        E23                                                    U22    H_D#39
                                      H_A#13            A[12]#                                                                     H_IERR#                                                                                                                H_D#8              D[7]#                               D[39]#              H_D#40
                                                  L1                                                                        D20                                                                                                                                        K24                                                    AB25




                                                                                              CONTROL
                                      H_A#14            A[13]#                                                    IERR#            H_INIT#                                                    +VCCP_AGTL+                                                 H_D#9              D[8]#                               D[40]#              H_D#41
                                                  P4    A[14]#                                                     INIT#    B3                           H_INIT#    17                                                                                                 G24   D[9]#                               D[41]#       W22
                                      H_A#15      P1                                                                                                                                                                                                      H_D#10       J24                                                    Y23    H_D#42
                                      H_A#16            A[15]#                                                                     H_LOCK#                                                                                                                H_D#11             D[10]#                              D[42]#              H_D#43
                                                  R1    A[16]#                                                    LOCK#     H4                           H_LOCK# 6                                                                                                     J23   D[11]#                              D[43]#       AA26
                                      H_ADSTB#0   L2                                                                                                                          2           1                                                               H_D#12       H26                                                    Y26    H_D#44
    6     H_ADSTB#0                                     ADSTB[0]#                                                                  H_CPURST#                                                  +VCCP_AGTL+                                                 H_D#13             D[12]#                              D[44]#              H_D#45
                                                                                                                 RESET#     B1                           H_CPURST# 6                                                                                                   F26   D[13]#                              D[45]#       Y22




                                                                                                                                                                         1
                                      H_REQ#0     K3                                                                        F3     H_RS#0                                         R202                                                                    H_D#14       K22                                                    AC26   H_D#46
                                      H_REQ#1           REQ[0]#                                                   RS[0]#           H_RS#1                H_RS#0  6                                                                                        H_D#15             D[14]#                              D[46]#              H_D#47
                                                  H2                                                                        F4                                                    54.9Ohm /                                                                            H25                                                    AA24
                                      H_REQ#2           REQ[1]#                                                   RS[1]#           H_RS#2                H_RS#1  6                                                                                        H_DSTBN#0          D[15]#                              D[47]#              H_DSTBN#2
                                                  K2    REQ[2]#                                                   RS[2]#    G3                           H_RS#2  6        T201                                                      6     H_DSTBN#0                    H23   DSTBN[0]#                        DSTBN[2]#       W24                            H_DSTBN#2 6
                                      H_REQ#3     J3                                                                        G2     H_TRDY#                                                                                                                H_DSTBP#0    G22                                                    Y25    H_DSTBP#2
                                      H_REQ#4           REQ[3]#                                                   TRDY#                                  H_TRDY# 6                                                                  6     H_DSTBP#0       H_DINV#0           DSTBP[0]#                        DSTBP[2]#              H_DINV#2                H_DSTBP#2 6
                                                  L5    REQ[4]#                                                                                                                                                                     6     H_DINV#0                     J26   DINV[0]#                          DINV[2]#       V23                            H_DINV#2 6
                                                                                                                            G6     H_HIT#
                                      H_A#17                                                                       HIT#            H_HITM#               H_HIT#     6
                                                  Y2    A[17]#                                                    HITM#     E4                           H_HITM#    6
                                      H_A#18      U5                                                                                                                                                                                                      H_D#16      N22                                                     AC22   H_D#48
                                      H_A#19            A[18]#                                                                                                                                                                                            H_D#17             D[16]#                              D[48]#              H_D#49
                                                  R3                                                                        AD4                                                                                                                                       K25                                                     AC23                                     Layout Note:
                                                        A[19]#                                                   BPM[0]#                                                                                                                                                     D[17]#                              D[49]#
                                                                    ADDR GROUP 1




                                      H_A#20      W6                                                                        AD3                                                                                                                           H_D#18      P26                                                     AB22   H_D#50
                                                        A[20]#                                                   BPM[1]#                                                                                                                                                     D[18]#                              D[50]#                                                Comp0,2 connect with Z0=27.4 ohm,
                                                                                              XDP/ITP SIGNALS


                                      H_A#21      U4                                                                        AD1                                                                                                                           H_D#19      R23                                                     AA21   H_D#51
                                      H_A#22            A[21]#                                                   BPM[2]#                                           +VCCP_AGTL+                                                                            H_D#20             D[19]#                              D[51]#              H_D#52                            make trace length shorter than 0.5".
                                                  Y5    A[22]#                                                   BPM[3]#    AC4                                                                                                                                       L25    D[20]#                              D[52]#       AB21




                                                                                                                                                                                                                                                                                          DATA GRP 1
                                                                                                                                                                                                                                                                                                                                                                       Comp1,3 connect with Z0=54.9 ohm,




                                                                                                                                                                                                                                                                                                       DATA GRP 3
                                      H_A#23      U2                                                                        AC2    PRDY#            1     T202                                                                                            H_D#21      L22                                                     AC25   H_D#53
                                      H_A#24            A[23]#                                                    PRDY#            PREQ#         R203     56Ohm     /                                                                                     H_D#22             D[21]#                              D[53]#              H_D#54
                                                  R4    A[24]#                                                    PREQ#     AC1                                                                                                                                       L23    D[22]#                              D[54]#       AD20                                     make trace length shorter than 0.5".
                                      H_A#25      T5                                                                        AC5    TCK     1     R204   2 56Ohm                                                                                           H_D#23      M23                                                     AE22   H_D#55
                                      H_A#26            A[25]#                                                      TCK            TDI           R205                                                                                                     H_D#24             D[23]#                              D[55]#              H_D#56                            Comp[3:0] at least 25 mils away from
C
                                                  T3    A[26]#                                                       TDI    AA6            1            2 56Ohm                                                                                                       P25    D[24]#                              D[56]#       AF23                                                                                   C
                                      H_A#27      W3                                                                        AB3    TDO           R217     56Ohm     /                                                                                     H_D#25      P22                                                     AD24   H_D#57                            any other toggling signal.
                                      H_A#28            A[27]#                                                      TDO            TMS                                                                                                                    H_D#26             D[25]#                              D[57]#              H_D#58
                                                  W5                                                                        AB5            1     R206   2 56Ohm           GND                                                                                         P23                                                     AE21                                     27.4 ohm connects with an ~18mil
                                      H_A#29            A[28]#                                                      TMS            TRST#         R207                                                                                                     H_D#27             D[26]#                              D[58]#              H_D#59
                                                  Y4    A[29]#                                                    TRST#     AB6            1            2 56Ohm                                                                                                       T24    D[27]#                              D[59]#       AD21                                     wide trace to comp0.
                                      H_A#30      W2                                                                        C20    CPU_DBR#                                  1    T204                        +VCCP_AGTL+                                 H_D#28      R24                                                     AE25   H_D#60
                                      H_A#31            A[30]#                                                     DBR#                                                      TPC28T                                                                       H_D#29             D[28]#                              D[60]#              H_D#61                            54.9 ohm connect with 5mil-wide
                                                  Y1    A[31]#                                                                                                                                                                                                        L26    D[29]#                              D[61]#       AF25
                                      H_ADSTB#1   V4                                                                        D21    H_PROCHOT_S#                                                                                                           H_D#30      T25                                                     AF22   H_D#62                            to comp1
    6     H_ADSTB#1                                     ADSTB[1]#                                PROCHOT#                                                                                                                                                                    D[30]#                              D[62]#




                                                                                                                                                                                                                     2
                                                                                                                            A24    CPU_THRM_DA                                                                                                            H_D#31      N24                                                     AF26   H_D#63
                                                                                                  THERMDA                                                      CPU_THRM_DA 4                                                                                                 D[31]#                              D[63]#
                                                                                   THERM




                                      H_A20M#     A6                                                                        A25    CPU_THRM_DC                                                                             R200                           H_DSTBN#1   M24                                                     AD23   H_DSTBN#3
    17    H_A20M#                     H_FERR#           A20M#                                     THERMDC                                                      CPU_THRM_DC 4                                                        6     H_DSTBN#1       H_DSTBP#1          DSTBN[1]#                        DSTBN[3]#              H_DSTBP#3               H_DSTBN#3 6
                                                  A5                                                                                                                                                                       1KOhm                                      N25                                                     AE24
    17    H_FERR#                     H_IGNNE#          FERR#                                                                      PM_THRMTRIP#                                                                                     6     H_DSTBP#1       H_DINV#1           DSTBP[1]#                        DSTBP[3]#              H_DINV#3                H_DSTBP#3 6
                                                  C4                                                                        C7                                                                                             1%                                         M26                                                     AC20
    17    H_IGNNE#                                      IGNNE#                                THERMTRIP#                                                       PM_THRMTRIP# 4,7,17                                                  6     H_DINV#1                           DINV[1]#                          DINV[3]#                                      H_DINV#3 6
                                      H_STPCLK#                                                                                                                                                                                                           GTL_REF                                                                    H_COMP0    R208                   27.4Ohm   1%




                                                                                                                                                                                                                     1
    17    H_STPCLK#                               D5    STPCLK#                                                                                                                                                                                                       AD26   GTLREF                                 COMP[0]   R26                       1          2
                                      H_INTR                                                                                                                                                                               <500 mil (55 Ohm)                                             MISC                                        H_COMP1    R209                   54.9Ohm   1%           GND
                                                                                   HCLK




    17    H_INTR                                  C6    LINT0                                                                                                                                                                                                                                                       COMP[1]   U26                       1          2




                                                                                                                                                                                                                     2
                                      H_NMI       B4                                                                        A22    CLK_CPU_BCLK                                                                                                                                                                               U1     H_COMP2    R210    1          2   27.4Ohm   1%
    17    H_NMI                                         LINT1                                                    BCLK[0]                                       CLK_CPU_BCLK 5                                              T/B trace 5.5                                                                            COMP[2]




                                                                                                                                                                                                          1
                                      H_SMI#      A3                                                                        A21    CLK_CPU_BCLK#                                              C200            R211                         R212 1      2 TEST1         C26                                                    V1     H_COMP3    R213    1          2   54.9Ohm   1%
    17    H_SMI#                                        SMI#                                                     BCLK[1]                                       CLK_CPU_BCLK# 5                                                                                               TEST1                                  COMP[3]
                                                                                                                                                                                              0.1UF/10V       2KOhm        Space 25        1KOhm
                                                  AA1   RSVD[1]
                                                                                                                                                                                              /               1%                            R214 1
                                                                                                                                                                                                                                            /          2 TEST2         D25   TEST2                         DPRSTP#            E5     H_DPRSTP#
                                                                                                                                                                                                                                                                                                                                                             H_DPRSTP# 17,50
                                                                                                                                                                                                                                            51Ohm                                                                                    H_DPSLP#




                                                                                                                                                                                                          2
                                                  AA4   RSVD[2]                                                 RSVD[12]    T22                                                                                                                                                                             DPSLP#            B5                             H_DPSLP# 17
                                                                                                                                                                                                                                    GND                                                                                              H_DPWR#




                                                                                                                                                                                                                     1
                                                  AB2   RSVD[3]                                                 RSVD[A2]    A2                                                                                                                                                                              DPWR#             D24                            H_DPWR# 6
                                                  AA3                                                                                                                                                                                                     CPU_BSEL0    B22                                                    D6     H_PWRGD
                                                        RSVD[4]                                                                                                                                                                     5    CPU_BSEL0        CPU_BSEL1          BSEL[0]                      PWRGOOD                                            H_PWRGD 17
                                                                                                                                                                                                                     GND
                                                                                   RESERVED




                                                   M4   RSVD[5]                                                 RSVD[13]    D2                                                                        GND                           5    CPU_BSEL1                     B23   BSEL[1]                          SLP#            D7                    1
                                                   N5                                                                       F6                                                                                                                            CPU_BSEL2    C21                                                    AE6                           T205
                                                        RSVD[6]                                                 RSVD[14]                                                                                                            5    CPU_BSEL2                           BSEL[2]                           PSI#
                                                   T2                                                                       D3                                                                                                                                                                                                           H_CPUSLP#
                                                        RSVD[7]                                                 RSVD[15]                                                                                                                                                                                                                 PM_PSI#                   H_CPUSLP# 6,17
                                                   V3                                                                       C1                                                                                                                                               SOCKET479P
                                                        RSVD[8]                                                 RSVD[16]                                                                                                                                                                                                                                           PM_PSI# 50
                                                   B2                                                                       AF1                                                                                                         BCLK    FSB BSEL2BSEL1BSEL0          12G04600479A
                                                        RSVD[9]                                                 RSVD[17]
                                                   C3   RSVD[10]                                                RSVD[18]    D22                                                                                                                                              12G04600479A
                                                                                                                RSVD[19]    C23                                                                                                          133    533   L      L        H
                                                  B25   RSVD[11]                                                RSVD[20]    C24
                                                                                                                                                                                                                                         166    667   L      H        H
                                                        SOCKET479P
B                                                                                                                                                                                                                                                                                                                                                                                                                    B


                                                           12G04600479A                                                                          68 



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