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AT12-MCP67


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    PCB STACK UP
     LAYER 1 : TOP
                                       RUN POWER
                                       SW
                                                              AC/BATT
                                                              CONNECTOR        PG 34
                                                                                                                                      CPU VR
                                                                                                                                                                   ARES/ARTEMIS
     LAYER 2 : SGND1                       PG 36,37
                                                              BATT
                                                              CHARGER
                                                                                               Turion64
                                                                                               Sempron
                                                                                                                                            PG 38
                                                                                                                                                                   Block Diagram
     LAYER 3 : IN1                                                             PG 34                                                  DC/DC
                                                                                                                                      +3VSUS                                SI - PHASE
A                                                                                                                                                                                                                                                                A


     LAYER 4 : IN2                                                                                                                    +5VSUS
                                       DDRII-SODIMM1             DDRII 667mhz
     LAYER 5 : VCC                                     PG 5                                        25W/35W
                                                                                             AMD Socket S1 638P                             PG 33
     LAYER 6 : IN3
                                       DDRII-SODIMM2             DDRII 667mhz
                                                                                                               PG 2,3,4
     LAYER 7 : SGND2                                   PG 5
                                                                                             HT Link
     LAYER 8 : BOT
                                                                                                                                                                                                   Option for 17" only
                                                                 PCI-E X 1                                                PCI-Express 16X                NVDIA NB8M-64bit                              HDMI CON
                                                                                                                                                         Graphics
                                                                                                                                                                                                                PG 18
                                                                                                                                                                   PG 12,13,14,15,16,17
                  TV_OUT               Mini PCI-E Card           Express Card
     Cable        VGA                  PCI Express Mini Card     (NEW CARD)
     Docking                                                                                                              TV_OUT
                  RJ-45                (Wireless LAN/WAN)                     PG 28
B
                                                                                                    nVIDIA                                              CRT/S-VIDEO                                                                                              B

                  CIR/Pwr btn                        PG 27                                                                CRT_OUT
                                                                                                    MCP67                                                           PG 19
                  SPDIF Out
                                                                                                    MCP67D
                  Stereo MIC                                                                                              LVDS(2 Channel)              Panel Connector
                                       SIM CARD
                  Headphone Jack                     PG 27                               Integraded VGA Function                                       15" / 17"    PG 18
                  USB Port                                                                            836PIN
                  VOL Cntr
        PG 31                                                    CLOCK                                                    USB2.0
                                                                 INTERFACE

                                        Option for 17" only
                                                                                                                           Bluetooth        FingrPrint        USB2.0 I/O Ports       Camera                  Mini PCI-E Card x1
                                                                 SATA1                                                                                                                                       Express Card x1
                                                                                                                                    PG 28           PG 28     X3        PG 26        1.3MP PG 23
                                        SATA - HDD                                                                                                                                                           Cable Docking x1
                                                       PG 26
                                                                                                                          PCI BUS / 33MHz
                                                                 SATA0
                                        SATA - HDD
                                                                                                                          LAN
C
                                                       PG 26                                                                                                                                                                                                     C
                                                                                                                          HD AUDIO
                                                                 PATA (66/100/133)
                                        PATA- CD-ROM                                               PG 5,6,7,8,9,10,11                                                            REALTEK                            RICOH
                                                       PG 26                                                                                                Two-element       RTL8201CL                               RICOH
                                                                                                                                                            microphone        (10/100)                                R5C832
                                                                                                                                        Conexant
                                                                                                                                                                    PG 23     RTL8211B                                R5C833
                                                                                                                                        Venice AMOM                           (10/100/Gigabit)
    VAULE DEFINE                                    TPM SLB9635                              LPC                                        CX20549-12
                                                                                                                                                                                                                            PG 21
    A=0603,B=0805,C=1206,F=1%,                                        PG 28                                                                                 Audio Jacks                        PG 20
    OTHER IS 0402                                                                                                                              PG 23
                                                                                                                                                            -Phone
    V=Y5V,U=Y5U,R=X5R,S=X6S,                                                                                                                                -SPDIF
    X=X7R,G=COG,O=NPO
                                                    Keyboard                            ENE KBC                                                             -MIC   PG 23               LAN                IEEE1394            Memory
                                                                                                                                                                                       RJ45                                   Card
    EXAMPLE                                         Touch Pad         PG 29             KB3920 Bx                     AUDIO             MDC DAA                                                              CONN
                                                                                                                                                                                                                              Reader
                                                                                                                      Amplifier
    10R=10ohm(0402)                                                                     KB3926                        TPA0312
                                                                                                                                        CX20548-S
                                                                                                                                                                                       PG 20                    PG 21              PG 22
    10A=10ohm(0603)                                 CIR
                                                                      PG 23                                               PG 25                PG 24
    10B=10ohm(0805)                                                                            PG 30,31
    10C=10ohm(1206)                                                                                                                                           PCI ROUTING
                                                    Capacitive Sense                                                                                          TABLE         IDSEL    INTERUPT                               DEVICE
                                                                                                    X-Bus




D   10/F=10ohm(0402 and 1%)                         SW
                                                                                                                                                                                                                                                                 D
                                                                PG 29                                                 Jack to               MODEM             REQ0# / GNT0# AD21     INTA#,INTB#                            RICOH832
                                                                                                                      Speaker               RJ 11
    EXAMPLE
                                                                                                                          PG 25                PG 20
    0.1U/16V/R=0.1U/16V/X5R(0402)
                                                                                       FAN            SPI ROM                                                                                           PROJECT : AT1
    0.47UA/10V/X=0.47U/10V/X7R(0603)
                                                                                                                                                                                                        Quanta Computer Inc.
    10UB/10V/U=10U/10V/Y5U(0805)                                                       PG 31                PG 30
                                                                                                                                                                                              Size      Document Number                                   Rev
                                                                                                                                                                                              Custom    BLOCK DIAGRAM                                      C2A
                                                                                                                                                                                NB5/RD2/HW1
                                                                                                                                                                                              Date: Wednesday, December 20, 2006Sheet       1   of   40
           1                       2                              3                            4                                5                             6                           7                                             8
                       1                                                          2                                                 3                                                  4                                                 5                                           6                                                    7                                                          8



                                               HT_RXD#[15..0]                                                                  HT_TXD[15..0]
               [6] HT_RXD#[15..0]                                                               [6] HT_TXD[15..0]

               [6] HT_RXD[15..0]


                C669
                C670
                C668
                              0.22U/6.3V/R
                              0.22UA/10V/X
                              4.7UA/6.3V/R
                                               HT_RXD[15..0]



                                                      1.2V_HT
                                                      1.2V_HT
                                                      1.2V_HT
                                                                      D1
                                                                      D2
                                                                              U27A
                                                                                  V_HT0_A1
                                                                                  V_HT0_A2
                                                                                               [6] HT_TXD#[15..0]



                                                                                                       V_HT0_B1
                                                                                                       V_HT0_B2
                                                                                                                    AE2
                                                                                                                    AE3
                                                                                                                               HT_TXD#[15..0]



                                                                                                                              1.2V_HT
                                                                                                                              1.2V_HT
                                                                                                                              1.2V_HT
                                                                                                                                                C673
                                                                                                                                                C671
                                                                                                                                                C674
                                                                                                                                                          4.7UA/6.3V/R
                                                                                                                                                          180PA/50V/O
                                                                                                                                                          180P/50V/O
                                                                                                                                                                                                                           TEST PU/PL MUST
                                                                                                                                                                                                                           FOLLOW ERRATUM 133
                                                                                                                                                                                                                           REVISION GUIDE FROM
                                                                                                                                                                                                                                                                                             W/S= 15 mil/20mil
                                                                                                                                                                                                                                                                                                      C49 CPU2.5V
                                                                                                                                                                                                                                                                                                      0.22U/6.3V/R
                                                                                                                                                                                                                                                                                                                       L74
                                                                                                                                                                                                                                                                                                                       48/6A/3216
                                                                                                                                                                                                                                                                                                                                                2.5V

                                                                                                                                                                                                                                                                                                                                                        1
                                                                                                                                                                                                                                                                                                                                                       C684
                                                                                                                                                                                                                                                                                                                                                                  2
                                                                                                                                                                                                                                                                                                                                                                 100U/6.3V/6032                              02
                                                                      D3          V_HT0_A3             V_HT0_B3     AE4
                C672          4.7UA/6.3V/R            1.2V_HT         D4                                            AE5       1.2V_HT                                                                                                                                    U27E
                                                                                  V_HT0_A4             V_HT0_B4                                               1.2V_HT                           CPUTEST2                   AMD NPT 0Fh CPU                                                                          CPU2.5V          C683              4.7UA/6.3V/R
                                                                                                                                                                                                                                                               AB6        TEST2                VDDA_1     F9                                                                        DB2 BOM MODIFY 1107
                  DB2 MODIFY 1107                     HT_RXD0         E3                                            AD1       HT_TXD0             DB2 MODIFY 1106                               CPUTEST3                                                        Y6                                        F8        CPU2.5V          C56               3300P/50V/X
                                                      HT_RXD1                     HT_RXD0              HT_TXD0                HT_TXD1                                                                                                              CPU_THERMDA W8         TEST3                VDDA_2
A              FOR AMD RECOMMEND                                      E1          HT_RXD1              HT_TXD1      AC2                           FOR AMD RECOMMEND                                                                                                       THERMDA                                                                                                                                             A
                                                      HT_RXD2         G3                                            AB1       HT_TXD2                                                                                                              CPU_THERMDC W7                                         B7        HTCPU_RST1#           R580                 *300R
                                                                                  HT_RXD2              HT_TXD2                                                                                  CPUTEST6                                                                  THERMDC             RESET#                HTCPU_PWROK1                                                   1.8VSUS
                                                      HT_RXD3         G1                                            AA2       HT_TXD3                                                                                                                          AA6                                        A7                              R585                 *300R
                                                                                  HT_RXD3              HT_TXD3                                                                                  CPUTEST7                                                                  TEST6               PWROK                 HTCPU_STOP1#                                                   1.8VSUS
                                                      HT_RXD4         J1                                            W2        HT_TXD4                                                                                                                           C3                                        F10                             R571                 *300R
                                                                                  HT_RXD4              HT_TXD4                                                                                  CPUTEST8                                                                  TEST7             LDTSTOP#                                                                               1.8VSUS
                                                      HT_RXD5         L3                                            V1        HT_TXD5                                                                                                                           C4
                                                      HT_RXD6                     HT_RXD5              HT_TXD5                HT_TXD6                                                                                                                                     TEST8
                                                                      L1          HT_RXD6              HT_TXD6      U2                                                                                                                                          C2        TEST9
                                                      HT_RXD7         N3                                            T1        HT_TXD7                                                           CPUTEST10                                                       K8                                        R6        CPUHTREF0             R565                 44.2/F
                                                      HT_RXD8                     HT_RXD7              HT_TXD7                HT_TXD8                                                                                                                CPUTEST12 AC8        TEST10            HTREF0                  CPUHTREF1             R564                 44.2/F
                                                                      E5          HT_RXD8              HT_TXD8      AD4                                                                                                             T7                                    TEST12            HTREF1        P6                                                                       1.2V_HT
                                                      HT_RXD9         F3                                            AD5       HT_TXD9                                                          DB2 MODIFY                                                      AA7                                        F6        CPU_CORE_FB
                                                                                  HT_RXD9              HT_TXD9                                                                                                                                                            TEST13            VDD_FB                  CPU_CORE_FB#                                                   CPU_CORE_FB [38]
                                                      HT_RXD10        G5                                            AB4       HT_TXD10                                                                                                               CPUTEST14  C7                                        E6
                                                      HT_RXD11                    HT_RXD10            HT_TXD10                HT_TXD11
                                                                                                                                                                                               1027                                 T9
                                                                                                                                                                                                                                                     CPUTEST15            TEST14           VDD_FB#                  CPU_SUS_FB                                                     CPU_CORE_FB# [38]
                                                                      H3          HT_RXD11            HT_TXD11      AB5                                                                                                             T5                          F7        TEST15          VDDIO_FB        W9                                                                       CPU_SUS_FB [37]
                                                      HT_RXD12        K3                                            Y5        HT_TXD12                                                         REMOVE                                                CPUTEST16  E7                                        Y9
                                                                                  HT_RXD12            HT_TXD12                                                                                                                      T3                                    TEST16         VDDIO_FB#                  CPUCLKIN
                                                      HT_RXD13        L5                                            V4        HT_TXD13                                                                                                               CPUTEST17  D7                                        A9
                                                      HT_RXD14                    HT_RXD13            HT_TXD13                HT_TXD14                                                         TEST POINTS                   R52
                                                                                                                                                                                                                                    T8
                                                                                                                                                                                                                                              300R CPUTEST18              TEST17              CLKIN                 CPUCLKIN#                 T130
                                                                      M3          HT_RXD14            HT_TXD14      V5                                                                                                                                         H10        TEST18             CLKIN#       A8                                  T126
                                                      HT_RXD15        N5                                            T4        HT_TXD15                                                         FOR AMD                       R42              300R CPUTEST19    G9                                        G10       CPU_DBRDY
                                                                                  HT_RXD15            HT_TXD15                                                                                                                                                            TEST19             DBRDY                  CPU_DBRDY#                T15
                                                                                                                                                                                               RECOMMEND                            T127             CPUTEST20 AF7                                        E10
                                                                                                                                                                                                                                                                          TEST20            DBREQ#                  CPU_TMS                   T14
                                                     HT_RXD#0         E2                                            AC1       HT_TXD#0                                                                                       R39              300R CPUTEST21 AB8                                          AA9
                                                                                  HT_RXD#0             HT_TXD#0                                                                                                                                                           TEST21               TMS                  CPU_TCK                   T12
                                                     HT_RXD#1         F1                                            AC3       HT_TXD#1                                                                                              T125             CPUTEST22 AE8                                        AC9
                                                                                  HT_RXD#1             HT_TXD#1                                                                                                                                                           TEST22               TCK                  CPU_TRST#                 T123
                                                     HT_RXD#2         G2                                            AA1       HT_TXD#2                                                                                              T124             CPUTEST23 AD7                                        AD9
                                                                                  HT_RXD#2             HT_TXD#2                                                                                                                                                           TEST23             TRST#                  CPU_TDI                   T128
                                                     HT_RXD#3         H1                                            AA3       HT_TXD#3                                                                                              T122             CPUTEST24 AE7                                        AF9
                                                                                  HT_RXD#3             HT_TXD#3                                                                                                                                                           TEST24                TDI                 CPU_TDO                   T135
                                                     HT_RXD#4         K1                                            W3        HT_TXD#4                                                                                       R47              510/F CPUTEST25   E9                                        AE9
                                                                                  HT_RXD#4             HT_TXD#4                                                                                                  1.8VSUS                                                  TEST25               TDO                  CPU_PRES#                 T131
                                                     HT_RXD#5         L2                                            U1        HT_TXD#5                                                                                       R41              510/F CPUTEST25#  E8                                        AC6
                                                                                  HT_RXD#5             HT_TXD#5                                                                                                                                                           TEST25#    CPU_PRESENT#                                                                                   1.8VSUS
                                                     HT_RXD#6         M1                                            U3        HT_TXD#6                                                                                       R556             300R CPUTEST26 AE6                                          A3                              R552                 1K
                                                                                  HT_RXD#6             HT_TXD#6                                                                                 CPUTEST27        1.8VSUS                                                  TEST26               PSI#                                                                                 CPU_PSI# [38]
                                                     HT_RXD#7         N2                                            R1        HT_TXD#7                                                                                                                         AF8                                        B5        CPU_VID0_L
                                                                                  HT_RXD#7             HT_TXD#7                                                                                 CPUTEST28                                                                 TEST27               VID0                                                                                 1.8VSUS
                                                     HT_RXD#8         F5                                            AD3       HT_TXD#8                                                                                                                          J7                                        C5        CPU_VID1_L            R22                  *300R
                                                     HT_RXD#9                     HT_RXD#8             HT_TXD#8               HT_TXD#9                                                          CPUTEST28#                                                                TEST28               VID1                 CPU_VID2_L            R27                  300R
                                                                      F4          HT_RXD#9             HT_TXD#9     AC5                                                                                                                                         H8        TEST28#              VID2       A4
                                                     HT_RXD#10        H5                                            AB3       HT_TXD#10                                                                                                              FBCLKOUT   C9                                        A6        CPU_VID3_L            R20                  *300R
                                                     HT_RXD#11                    HT_RXD#10           HT_TXD#10               HT_TXD#11                                                                                      R43              80.6/F FBCLKOUT#            TEST29               VID3                 CPU_VID4_L            R28                  *300R
                                                                      H4          HT_RXD#11           HT_TXD#11     AA5                                                                                                                                         C8        TEST29#              VID4       C6
                                                     HT_RXD#12        K4                                            W5        HT_TXD#12                                                                                                                                                                   A5        CPU_VID5_L            R29                  *300R
                                                     HT_RXD#13                    HT_RXD#12           HT_TXD#12               HT_TXD#13                                                                                                                                                        VID5                 CPU_SID               R23                  *300R
B                                                                     M5          HT_RXD#13           HT_TXD#13     V3                                                                                                       ROUTE TRACES 80ohm DIFF                                            SID       AF5                                                                                                                 B
                                                     HT_RXD#14        M4                                            U5        HT_TXD#14                                                                                                                                                                   AF4       CPU_SIC
                                                     HT_RXD#15                    HT_RXD#14           HT_TXD#14               HT_TXD#15
                                                                                                                                                                                                                             IMPEDENCE 8/5/20 SPACING                                           SIC                 CPU_PROCHOT#
                                                                      P5          HT_RXD#15           HT_TXD#15     T3                                                                                                                                                                   PROCHOT#         AC7                                                                         1.8VSUS
                                                                                                                                                                                                                                                                                                          AF6       CPU_THERMIP#          R553                 300R
                                                                                                                                                                                                                                                                                       THERMTRIP#                                                                                     1.8VSUS
                                               HT_CPU_UPCLK0             J3                                         Y1        HT_CPU_DWNCLK0                                                                                                                        B3                                                                    R561                 300R
     [6] HT_CPU_UPCLK0                                                            HT_RXCLK0          HT_TXCLK0                                                 HT_CPU_DWNCLK0 [6]                                                                                         RSVD_1
                                               HT_CPU_UPCLK1             J5                                         Y4        HT_CPU_DWNCLK1                                                                                                                       H19                                    R22
     [6] HT_CPU_UPCLK1                                                            HT_RXCLK1          HT_TXCLK1                                                 HT_CPU_DWNCLK1 [6]                                                                1.8VSUS                  RSVD_2             RSVD_12
                                                                                                                                                                                                                                                                   H18    RSVD_3             RSVD_13      H16
                                               HT_CPU_UPCLK#0         J2                                            W1        HT_CPU_DWNCLK#0                                                                                                                      W18                                    R23                 CPUCLKIN        C692           3900P/25V/X
    [6] HT_CPU_UPCLK#0                                                            HT_RXCLK#0         HT_TXCLK#0                                                HT_CPU_DWNCLK#0 [6]                                                                                        RSVD_4             RSVD_14                                                                                          CPU_CLK [6]
                                               HT_CPU_UPCLK#1         K5                                            Y3        HT_CPU_DWNCLK#1                                                                   CPU_SID     R555             *300R                  D5                                    R25
    [6] HT_CPU_UPCLK#1                                                            HT_RXCLK#1         HT_TXCLK#1                                                HT_CPU_DWNCLK#1 [6]                                                                                        RSVD_5             RSVD_15
                                                                                                                                                                                                                CPU_SIC     R554             *300R                 N20                                    B18                 CPUCLKIN# C687                 3900P/25V/X
                                                                                                                                                                                                                                                                          RSVD_6             RSVD_16                                                                                          CPU_CLK# [6]
                                               HT_CPU_UPCTL0          N1                                            R2        HT_CPU_DWNCTL0                                                                                R550             300R                  P20                                    R24
     [6] HT_CPU_UPCTL0                                                            HT_RXCTL0          HT_TXCTL0                                                 HT_CPU_DWNCTL0 [6]                                                                                         RSVD_7             RSVD_17
                                               HT_CPU_UPCTL1          P3                                            T5        HT_CPU_DWNCTL1                                                                                                                       P19                                    C1                  CPUCLKIN# R569                 169/F       CPUCLKIN
        1.2V_HT                                                                   HT_RXCTL1          HT_TXCTL1                                                                                                                                                            RSVD_8             RSVD_18
                  R563                49.9/F                                                                                                           T119                                                                                                        N19                                    H6
                                                                                                                                                                                                                                                                          RSVD_9             RSVD_19
    [6] HT_CPU_UPCTL#0                                                P1          HT_RXCTL#0         HT_TXCTL#0     R3                                         HT_CPU_DWNCTL#0 [6]                           If AMD SI is not used SID can                         P22    RSVD_10            RSVD_20      G6                  KEEP TRACE RESISTOR <0.6" FROM CPU
                                               HT_CPU_UPCTL#1         P4                                            R5        HT_CPU_DWNCTL#1                                                                                                                      R26                                    AA8
                           R562       49.9/F                                      HT_RXCTL#1         HT_TXCTL#1                                        T118
                                                                                                                                                                                                             be left, SIC 300ohm to VSS.                                  RSVD_11            RSVD_21                          AND TRACE TO AC CAP <1.25"
                                                                              AMD S1 SOCKET                                                                                                                                                                              AMD S1 SOCKET                                        CPUVID1 PU REQUIRED FOR
                                                                                                                                                                                                                                                                                                                              COMPATIBILITY WITH FUTURE CPU
                                               HT_RXCTL1/HT_RXCRL#1 MUST <1.5" FROM CPU PIN


                      CPU THERMAL SENSOR & CONTROL                                                                                                  HT LINK CONTROL LEVEL SHIFTER                                                                                                                               OVER TEMP CONTROL
                                               R55                200R        6648VCC          C83     0.1U/16V/V                         MUST KEEP LOW DURING S3-S5 TO MEET HT IO LINK SPEC
                                     3V                                                                                                                                                                                                                                                                                                                                                      SYS_SHDN# [30,33]
    3V                                                   U3
                                                                                                                                                                                                                                                       PLACE CLOSE CPU                                                              D34              CH500H
                                                                                                                                                                        1.8VSUS                                                                                                                                                                                                              ECPWROK [10,14,30]




                                                                                                                                                                                                                                                                                                                3
                                                                                                           10/20mils                                                                                                                                   SI MODIFY 1219
         R57                2.7K   LM86_SMC          8                                1                                                   HTCPU_RST1#          R62                0R                 U26                                                                                                               2            R557               10K                                   DB2 MODIFY
C                                                        SCLK            VCC                                                                                                                                                                                                                                                                                                                                                  C




                                                                                                                                                                                                 5
                                                                                                         CPU_THERMDA                                                                                 *74LVC1G08GW                                                                                                              DB2 BOM MODIFY 1101
                                   LM86_SMD                                                                                                                                                                                                                                 MCP67_THERMIP# [6]
         R56                2.7K                     7                                2                                                                                                    2                                                                                                                        Q44
                                                         SDA             DXP                                                                      [6] HTCPU_RST#                                                                                                                                                                                                                      1.8VSUS




                                                                                                                                                                                                                                                               3
                                                                                                         C102                                                                                                    HTCPU_RST1#                                                                                        MMBT3904




                                                                                                                                                                                                                                                                                                                1
                                                                                                                                                                                                            4
         R72                10K    THERM_ALERT# 6                                     3                  2200P/50V/X                                                                       1                                                                                                                                                                                          SI MODIFY 1219
                                                         ALERT#          DXN                                                                   [10,14,30] ECPWROK
                                                                                                                                                                                                                                                                            2                                        MCP67_THERMIP#
                                                                                                         CPU_THERMDC                                                                                                                                                            1.8VSUS
                                                     4                                5                                                                                                                          For AMD                               R829
    [10] THERM_OVER#                                     OVERT#          GND                                                                                                                                                 R63                       0R                 Q43
                                                                                                                                                                                                 3


                                                                                                                                                                                                                 Warm        *0R                                          *PDTC144EU
                                                                                                                                                                        1.8VSUS                                  Reset                                                                                                                                                                       SYS_SHDN# [30,33]
                                                         G781P8




                                                                                                                                                                                                                                                               1
                   R71              *10K                 MAX6657,G781P8,W83L771G                                                          HTCPU_PWROK1 R74                        0R                                                                                      CPU_THERMIP#                                              D50              CH500H
          3V                                                                                                                                                                                                                                                                                                                                                                                 ECPWROK [10,14,30]
                                                                                                                                                                                                 5




                                                                                                                                                                                                                                                                                                                3
                                                         ADDRESS: 98H
                REMOVE FOR MCP67                                                                                                                                                           2                                                                                                                          2             R830                 10KA
                                                                                                                                                [6] HTCPU_PWRGD                                                  HTCPU_PWROK1                                                                                                                                             3V
                                                                                                                                                                                                            4                                                                                                        Q73
                INTERNAL PULL-UP                                                                                                                                           ECPWROK                                                                                                                                   MMBT3904
                                                                                                                                                                                           1




                                                                                                                                                                                                                                                                                                                1
                                                                                                                                                                                                      U28
                                                                                                                                                                                                                                                      CPU OR THERM IC THERMTRIP TO                                                                   D33    THERM_ALERT#
                                                                                                                                                                                                      *74LVC1G08GW                                    SHUTDOWN SYS FROM MCP67                                                                        CH500H
                                                                                                                                                                                                 3




                                   MBCLK       [15,29,30,31,34]                                MBDATA      [15,29,30,31,34]                                                                                                                                                                                                                                                                     SI MODIFY 1219
                                                                                        



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