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ecs-946gzt-am


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               5                          4                    3                                    2                                             1




D
                                         946GZT-AM           Rev: A     Page Title of Schematic :
                                                                        Title                           Page   Title                                         Page
                                                                                                                                                                               D

    Schematics Version History Table :                                  Cover Sheet                      1     ISL Vcore DC-DC                               35
    Circuit Ver. PCB Ver. Total Page      Modified Page(s)    Date      System Block Diagram             2     ISL DDR& SYSTEM DC-DC                         36
        A          A         44                              06/05/10   P4 LGA775P Part A                3     MIS DC-DC POWER                               37
                                                                        P4 LGA775P Part B                4     I/O Ports                                     38
                                                                        P4 LGA775P Part C                5     RTL8100C Lan                                  39
                                                                        P4 LGA775P Part D                6     TPM (TRUSTED PF-MODELE)                       40
                                                                        P4 LGA775P Part E                7     Change list                                   41
                                                                        Clock ICS(9LPR505)               8     RESET Diagram                                 42
                                                                        BW(MCH)Part A & E                9     CLOCK DISTRIBUTION                            43
                                                                        BW(MCH)Part B                    10    Power Delivery                                44
C                                                                                                                                                                              C
                                                                        BW(MCH)Part C&D                  11
                                                                        BW(MCH)Part F                    12
                                                                        BW(MCH)Part G                    13
                                                                        MCH DCPL                         14
                                                                        DIMM1 (DDR2 SDRAM)               15
                                                                        DIMM2 (DDR2 SDRAM)               16
                                                                        DIMM DECOUPING                   17
                                                                        VGA CONNECT                      18
                                                                        ICH7 Part A & D                  19
                                                                        ICH7 Part B & C                  20
B                                                                       ICH7 Part E & F                  21                                                                    B



                                                                        BMC5786                          22
                                                                        SATA & IDE Connector             23
                                                                        FMH&SPI                          24
                                                                        H/W Monitor                      25
                                                                        ITE8718 LPC I/O                  26
                                                                        Audio Codec                      27
                                                                        Audio Interface                  28
                                                                        ATX Power & Front Panel          29
                                                                        PCI Slot 1&2                     30
                                                                        PCIE Slot 1                      31
A                                                                                                                                                                              A

                                                                        PCI Express 16-PORT              32
                                                                        Back I/O                         33                     Elitegroup Computer Systems
                                                                        TI TSB43AB23                     34
                                                                                                                                    Cover Sheet
                                                                                                                Title


                                                                                                                Size     Document Number                                 Rev
                                                                                                                                                                           A
                                                                                                                Custom
                                                                                                                Date:
                                                                                                                                           946GZT-AM
                                                                                                                          Tuesday, May 23, 2006  Sheet   1    of    44
               5                          4                    3                                    2                                             1
            5                                                     4                                                          3                                             2                                                  1




    PCI LAN             ICH7
    ALC888
    SIZE : Max 2GB (Four 512Mb X 8 Double-Sided DEVICES)
     DEVICE       IDSEL    INT#       REQ#      GNT#
      PCI1         17     C/D/E/F    PREQ-0    PGNT-0
D
                                                                                                         INTEL                                                                                                                                          D

      PCI2         18     D/E/F/G    PREQ-1    PGNT-1
                                                                                                       P4 Processor
      1394         19          E     PREQ-2    PGNT-2
      LAN          20          F     PREQ-3    PGNT-3                                                  PSC, Tejas -
                                                                                                       LGA 775 pin


                                                         BW : 4.1GB/s @ FSB : 533MHz & Freq : 133MHz
                                                         BW : 6.4GB/s @ FSB : 800MHz & Freq : 200MHz


                                                                                                                                                         BW : 10.7GB/s @ DDR2 :533/667MHz
            Analong Display                                                                                INTEL
            RAMDAC: 400MHz                               VGA (G only)                                                                                    DDIMM1: DDR Socket 184P
                                                                                                         I-GDS/G
            Resolutions Up To 2048x1536@75Hz
C                                                                                                                                                                                                                                                       C


                                                         PCIEx16                                    1210pin FC-BGA
                                                                                                                                                         DDIMM2 : DDR Socket 184P
                                                                                                                  BW : 2GB/s (Support Lsoch)
                                                                                         USB V2.0                                                                         PCIEX1
                 USB1       USB2         USB3            USB4            USBLAN                                                                                                                      USBLAN
                2 ports    2 ports      2 ports         2 ports           8 ports                         INTEL                                                           PCIEx1 LAN
                                                                                                                                                                                                        RJ45
                                                                                                                                                                           BMC5786
                                                                            Up to Ultra ATA/100            ICH7
                                                        IDE1 40pin                                                               BW : 133MB/s @Freq : 33MHz
                                                                               Two IDE Channel        609pin EBGA
     Mic In                                                                                                                                                               PCI1 Slot 120pin @ AD17
                                      Audio Codec                     AC' 97 & Lan I/F
     Line Out                                                                                                                                                                PCI2 Slot 120pin @ AD18
                                        ALC888
     Line In                                                                                         LPC bus

B    CEN/BAS                                                                    intel                                                                                                                                                                   B
                                                                                FWH                                                        TI 1394            RTL
     SURRON                         SATA1 7Pin                               32pin PLCC                                                   TSB43AB22           8100C
     SID SURRON                       SATA2 7pin                                                               ITE 8718
                                    SATA3 7Pin          BW : 150MB/s                                           Super I/O
                                      SATA4 7pin                                                               128pin PQFP

                                                                                                                                                              USBLAN
                                                                                                                                                               RJ45




     PCB : 244 x 244 mm ; 4 layers

A                                                                                                                                                                                                                                                       A




                                                                                                                                                                                                          Elitegroup Computer Systems
                                                                                                                                                                                            Title
                                                                                                                                                                                                     946-System Block DiagamM
                                                                                                                                                                                            Size     Document Number        Rev
                                                                                                                                                                                            Custom          946GZT-AM         A
                                                                                                                                                                                            Date:     Tuesday, May 23, 2006       Sheet   2   of   44

            5                                                     4                                                          3                                             2                                                  1
              5                                                                        4                                                        3                                                                            2                                                                        1




                                                                                                    ICT_775_E23 1   STP2
                                                                                                    ICT_775_E7 1    STP9
                                                                                                    ICT_775_F23 1   STP3




                                                                                                                     R387   Pull Down to Select 50 Ohm System bus Impedance
                                                                                                                    47-04                                                                                                              H_VCCPLL

D                                                                                                                                                                                                                                                                                                                                        D

                        VTT_OUT_L                  47-04          R428                                                      COMP8       ER10        24.9-1-04                                                             MC3         C193
                                                                                                                                                                                                                      10u-10V-08-O   .01u-Y-04
                                                                                                                                        R400        47-04

                                                                                MC28                                                    R418        47-04

                                                                                                                            COMP6       R405        49.9-1-04                               VTT_OUT_R
                                                                                10u-10V-08   STP8     STP10                                                     H_VCCPLL
                                                                                                                                                                                            H_VCCPLL        12
                                                                                                                                                                FORCEPH_N
                                                                                                                                                                                            FORCEPH_N       35
                               MCH_GTLREF_CPU                                                                                                                   CPUVID0
    10 MCH_GTLREF_CPU                                                                                                                                                                       CPUVID0         35
                                                                                                                                                                CPUVID1




                                                                                             1




                                                                                                      1
                                                                                                                                                                                            CPUVID1         35
                               VSSSEN                         VSS_SENSE_AN6                                                                                     CPUVID2
         35        VSSSEN                                                                                                                                                                   CPUVID2         35
                                                R293        0-04-O                                                                                              CPUVID3                                                                                                                             VTT_OUT_R
                                                                                                                                                                                            CPUVID3         35
                               VCCSEN                           VCC_SENSE_AN5                                                                                   CPUVID4
         35        VCCSEN                                                                                                                                                                   CPUVID4         35
                                                R296        0-04-O                                                                                              CPUVID5
                                                                                                                                                                                            CPUVID5         35
                                                                      COMP7                                                                                     CPUVID6                                                                                                       R426 130-1-04-O
                  VTT_OUT_R                                                                                                                                                                 CPUVID6         35
                                                R385        49.9-1-04                                                                                           CPUVID7                                                                            FORCEPH_N                   1       2
                                                                                                                                                                                            CPUVID7         35
                                                                                                                                                                                            VR_SEL          35




                                                                                                                                                                                                                                                                                                          1
                                                C347                                                                                                                   R440       0-04
                                              .1u-16VY-04-OCPU1A                                                                                                                                                                                                                                              C348




                                                                                                                                    AM2

                                                                                                                                    AM3



                                                                                                                                    AM5
                                                                                                                                    AM7
                                                                         AC4



                                                                         AH2
                                                                         AN5
                                                                         AN6




                                                                                                                                    AN7
                                                                         AE3
                                                                         AE4
                                                                         AE6




                                                                         G10




                                                                         AK6




                                                                                                                                    AK4
                                                                         D14
                                                                         D16




                                                                         D23
                                                                         A20




                                                                         E23
                                                                         E24




                                                                         B13




                                                                                                                                    AL5

                                                                                                                                    AL6

                                                                                                                                    AL4
                                                                         F23
                                                                         F29
                                                                                                                                                                                           VTT_OUT_R




                                                                         W1



                                                                         G6
                                                                         C9
                                                                         D1




                                                                         N4
                                                                         N5
                                                       LGA-775PS-AMP                                                                                                   R439       680-04




                                                                         E5
                                                                         E6
                                                                         E7




                                                                         P5
                                                                         V1

                                                                         Y3
                                                                                                                                                                                                                                                                                                              1u-25V




                                                                         F6


                                                                         J3




                                                                                                                                                                                                                                                                                                          2
                                                                          RESERVED0
                                                                          RESERVED1
                                                                          RESERVED2
                                                                          RESERVED3
                                                                          RESERVED4
                                                                          RESERVED5
                                                                          RESERVED7
                                                                          RESERVED8
                                                                          RESERVED9




                                                                             IMPSEL




                                                                              MSID1
                                                                              MSID0




                                                                                                                                           VID0
                                                                                                                                           VID1
                                                                                                                                           VID2
                                                                                                                                           VID3
                                                                                                                                           VID4
                                                                                                                                           VID5
                                                                                                                                           VID6
                                                                                                                                           VID7
                                                                         RESERVED10
                                                                         RESERVED11
                                                                         RESERVED12
                                                                         RESERVED13
                                                                         RESERVED14
                                                                         RESERVED15
                                                                         RESERVED16
                                                                         RESERVED17
                                                                         RESERVED18
                                                                         RESERVED19

                                                                         RESERVED21
                                                                         RESERVED22
                                                                         RESERVED25
                                                                         RESERVED26
                                                                         RESERVED27
                                                                         RESERVED28


                                                                         RESERVED32
                                                                         RESERVED33
                                                                         RESERVED34
                                                                         RESERVED35




                                                                                                                                    VID_SELECT
                                    H_D0                B4                                                                                                       L5     H_A3
         10          H_D0                                       D0                                                                                       A3                                      H_A3            10
                                    H_D1                C5                                                                                                       P6     H_A4
         10          H_D1                                       D1                                                                                       A4                                      H_A4            10
                                    H_D2                A4                                                                                                       M5     H_A5
         10          H_D2                                       D2                                                                                       A5                                      H_A5            10
                                    H_D3                C6                                                                                                       L4     H_A6
         10          H_D3                                       D3                                                                                       A6                                      H_A6            10
                                    H_D4                A5                                                                                                       M4     H_A7
         10          H_D4                                       D4                                                                                       A7                                      H_A7            10
                                    H_D5                B6                                                                                                       R4     H_A8
         10          H_D5                                       D5                                                                                       A8                                      H_A8            10
                                    H_D6                B7                                                                                                       T5     H_A9
C        10          H_D6                                       D6                                                                                       A9                                      H_A9            10                                                                                 VTT_OUT_R                            C
                                    H_D7                A7                                                                                                       U6     H_A10
         10          H_D7                                       D7                                                                                      A10                                      H_A10           10
                                    H_D8               A10                                                                                                       T4     H_A11
         10          H_D8                                       D8                                                                                      A11                                      H_A11           10
                                    H_D9               A11                                                                                                       U5     H_A12
         10          H_D9                                       D9                                                                                      A12                                      H_A12           10
                                    H_D10              B10                                                                                                       U4     H_A13
         10          H_D10                                      D10                                                                                     A13                                      H_A13           10
                                    H_D11              C11                                                                                                       V5     H_A14
         10          H_D11                                      D11                                                                                     A14                                      H_A14           10
                                    H_D12               D8                                                                                                       V4     H_A15                                                                        H_BPM0             R430                62-04
         10          H_D12                                      D12                                                                                     A15                                      H_A15           10
                                    H_D13              B12                                                                                                       W5     H_A16
         10          H_D13                                      D13                                                                                     A16                                      H_A16           10
                                    H_D14              C12                                                                                                       AB6    H_A17                                                                        H_BPM1             R434                62-04
         10          H_D14                                      D14                                                                                     A17                                      H_A17           10
                                    H_D15              D11                                                                                                       W6     H_A18
         10          H_D15                                      D15                                                                                     A18                                      H_A18           10
                                    H_D16               G9                                                                                                       Y6     H_A19                                                                        H_BPM2             R413                62-04
         10          H_D16                                      D16                                                                                     A19                                      H_A19           10
                                    H_D17               F8                                                                                                       Y4     H_A20
         10          H_D17                                      D17                                                                                     A20                                      H_A20           10
                                    H_D18               F9                                                                                                       AA4    H_A21                                                                        H_BPM3             R421                62-04
         10          H_D18                                      D18                                                                                     A21                                      H_A21           10
                                    H_D19               E9                                                                                                       AD6    H_A22
         10          H_D19                                      D19                                                                                     A22                                      H_A22           10
                                    H_D20               D7                                                                                                       AA5    H_A23                                                                        H_BPM4             R402                62-04
         10          H_D20                                      D20                                                                                     A23                                      H_A23           10
                                    H_D21              E10                                                                                                       AB5    H_A24
         10          H_D21                                      D21                                                                                     A24                                      H_A24           10
                                    H_D22              D10                                                                                                       AC5    H_A25                                                                        H_BPM5             R414                62-04
         10          H_D22                                      D22                                                                                     A25                                      H_A25           10
                                    H_D23              F11                                                                                                       AB4    H_A26
         10          H_D23                                      D23                                                                                     A26                                      H_A26           10
                                    H_D24              F12                                                                                                       AF5    H_A27
         10          H_D24                                      D24                                                                                     A27                                      H_A27           10
                                    H_D25              D13                                                                                                       AF4    H_A28
         10          H_D25                                      D25                                                                                     A28                                      H_A28           10
                                    H_D26              E13                                                                                                       AG6    H_A29
         10          H_D26                                      D26                                                                                     A29                                      H_A29           10
                                    H_D27              G13                                                                                                       AG4    H_A30
         10          H_D27          H_D28              F14
                                                                D27                                                                                     A30
                                                                                                                                                                 AG5    H_A31
                                                                                                                                                                                                 H_A30           10                    Please BPM TERMINATION NEAR to CPU
         10          H_D28                                      D28                                                                                     A31                                      H_A31           10
                                    H_D29              G14                                                                                                       AH4    H_A32
         10          H_D29                                      D29                                                                                     A32                                      H_A32           10
                                    H_D30              F15                                                                                                       AH5    H_A33
         10          H_D30                                      D30                                                                                     A33                                      H_A33           10
                                    H_D31              G15                                                                                                       AJ5    H_A34
         10          H_D31                                      D31                                                                                     A34                                      H_A34           10
                                    H_D32              G16                                                                                                       AJ6    H_A35
         10          H_D32                                      D32                                                                                     A35                                      H_A35           10
                                    H_D33              E15
         10          H_D33          H_D34                       D33
         10          H_D34                             E16      D34
                                    H_D35              G18                                                                                                       AJ2    H_BPM0
         10          H_D35          H_D36                       D35                                                                                   BPM0              H_BPM1
         10          H_D36                             G17      D36                                                                                   BPM1       AJ1
                                    H_D37              F17                                                                                                       AD2    H_BPM2
B        10          H_D37          H_D38                       D37                                                                                   BPM2              H_BPM3                                                                                                                                                           B
         10          H_D38                             F18      D38                                                                                   BPM3       AG2
                                    H_D39              E18                                                                                                       AF2    H_BPM4
         10          H_D39          H_D40                       D39                                                                                   BPM4              H_BPM5
         10          H_D40                             E19      D40                                                                                   BPM5       AG3
                                    H_D41              F20
         10          H_D41          H_D42                       D41
         10          H_D42                             E21      D42
                                    H_D43              F21                                                                                                       J16    ICT_775_J16          1    STP6
         10          H_D43          H_D44                       D43                                                                                    DP0              ICT_775_H15
         10          H_D44                             G21      D44                                                                                    DP1       H15                         1    STP7
                                    H_D45              E22                                                                                                       H16    ICT_775_H16          1    STP5
         10          H_D45          H_D46                       D45                                                                                    DP2              ICT_775_J17
         10          H_D46                             D22      D46                                                                                    DP3       J17                         1    STP4
                                    H_D47              G22
         10          H_D47          H_D48                       D47                                                                                                                                                                               TESTHI0            R196           47-04
         10          H_D48                             D20      D48                                                                                                                                                                                                                                       FSBVTT
                                    H_D49              D17                                                                                                       K4     H_REQ0
         10          H_D49                                      D49                                                                                   REQ0                                       H_REQ0          10
                                    H_D50              A14                                                                                                       J5     H_REQ1                                                                    TESTHI_7           R190           47-04
         10          H_D50                                      D50                                                                                   REQ1                                       H_REQ1          10
                                    H_D51              C15                                                                                                       M6     H_REQ2
         10          H_D51                                      D51                                                                                   REQ2                                       H_REQ2          10
                                    H_D52              C14                                                                                                       K6     H_REQ3                                                                    TESTHI1            R384           47-04                 VTT_OUT_L
         10          H_D52                                      D52                                                                                   REQ3                                       H_REQ3          10
                                    H_D53              B15                                                                                                       J6     H_REQ4
         10          H_D53                                      D53                                                                                   REQ4                                       H_REQ4          10
                                    H_D54              C18                                                                                                                                                                                        TESTHI8            R381           47-04
         10          H_D54          H_D55                       D54
         10          H_D55                             B16      D55
                                    H_D56              A17                                                                                                       AE8                                                                              TESTHI9            R390           47-04
         10          H_D56          H_D57                       D56                                                                                 SKTOCC
         10          H_D57                             B18      D57
                                    H_D58              C21                                                                                                                                                                                        TESTHI10           R403           47-04
         10          H_D58          H_D59                       D58                                                                                                     TESTHI0
         10          H_D59                             B21      D59                                                                                  TESTH0      F26
                                    H_D60              B19                                                                                                       W3     TESTHI1                                                                   TESTHI11           R383           47-04
         10          H_D60          H_D61                       D60                                                                                  TESTH1
         10          H_D61                             A19      D61                                                                                  TESTH2      F25
                                    H_D62              A22                                                                                                       G25                                                                              TESTHI12           R392           47-04
         10          H_D62          H_D63                       D62                                                                                  TESTH3
         10          H_D63                             B22      D63                                                                                  TESTH4      G27
                                                                                                                                                     TESTH5      G26
                                                                                                                                                     TESTH6      G24                                                                       Please Rs & CAPs Close to CPU
                                    H_RS0_L                B3                                                                                                    F24    TESTHI_7
         10        H_RS0_L          H_RS1_L                     RS0                                                                                  TESTH7             TESTHI8
         10        H_RS1_L                                 F5   RS1                                                                                  TESTH8      G3
                                    H_RS2_L                A3                                                                                                    G4     TESTHI9
         10        H_RS2_L                                      RS2                                                                                  TESTH9             TESTHI10
A
                                                                                                                                                    TESTH10      H5                                                                                                                                                                      A
                                                                                                                                                                 P1     TESTHI11
                                                                                                                                                    TESTH11             TESTHI12
                                                                                                                                                    TESTH12      W2                              TESTHI12        6


                                                                                                                                               BOOTSELECT        Y1
                                                                                                                                                                                                                                                                                Elitegroup Computer Systems
                                                                                                                                                                                                                                                                                      LGA 775 Part A
                                                                                                                                                                                                                                                             Title


                                                                                                                                                                                                                                                             Size       Document Number                                            Rev
                                                                                                                                                                                                                                                             Custom                             946GZT-AM                            A
                                                                                                                                                                                                                                                             Date:          Tuesday, May 23, 2006         Sheet      3   of   44
              5                                                                        4                                                        3                                                                            2                                                                        1
                                  5                                                                                           4                                                                 3                                                                               2                                                                                             1




                                                                                                                                                                      CPUGTLREF1                                         R417        124-1-04 VTT_OUT_R        VTT_OUT_R




                                                                                                                                                                                                    1
                                                                                                                                                                                       R397             C338         R410
                                                                                                                                                                                 C336 10-1-04           1u-25V       210-1-04                        C340
                                                                                                                                                                                 220P-N-04-O                                                         .01u-Y-04




                                                                                                                                                                                                    2
                                                                                                                                                                      R382
                                                                                                                                                                      0-04-O


       Place componets as close as possible to Processor socket
       trace width to cap must be no smaller than 12 Mils                                                                                                             CPUGTLREF0                                         R431        124-1-04 VTT_OUT_R        VTT_OUT_R




                                                                                                                                                                                                    1
                                                                                                                                                                                       R396             C341         R427
D                                                                                                                                                                                                                                                                                                                                                                                                                  D
                                                                                                                                                                                 C335 10-1-04           1u-25V       210-1-04                        C333
                                                                                                                                                                                 220P-N-04-O                                                         .01u-Y-04          GTLREF= 0.67 * VTT = 0.8V




                                                                                                                                                                                                    2
                                                                                                                                                                                                                                                                        GTLREF GENERATION CIRCUITS




                                                                                                                                  H29

                                                                                                                                                H2

                                                                                                                                                           H1
                                               R195                    0-04-O
                                                                                      CPU1B
    FSBVTT                                                1        2




                                                                                                                                   GTLREF_SEL

                                                                                                                                                 GTLREF1

                                                                                                                                                            GTLREF0
                                               C198                    1u-25V                                                                                                     K3        A20M_L
                                                                                                                                                                       A20M                                            A20M_L          20
                                                                                     C23                                                                                          D2        H_ADS_L
                                                                                           VCCIOPLL                                                                      ADS                                           H_ADS_L         10
             L22   IND-10u-08                                                                                                                                                     R6        H_A_STB0                                                                                                 H_IERR_L                 R393                62-04             VTT_OUT_R
                                                                                                                                                                     ADSTB0                                            H_A_STB0        10
                                                                                     A23                                                                                          AD5       H_A_STB1
                                                                                           VCCA                                                                      ADSTB1                                            H_A_STB1        10
             L21   IND-10u-08                                                                                                                                                     AD3
                                           EC45           100u-16D6.3H11EG-LU                          



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