
SOYO COMPUTER CO., LTD.

SY-5TC2/C5

Processor           Pentium
Processor Speed     75/90/100/120/133/150MHz
Chip Set            Intel
Max. Onboard DRAM   128MB
Cache               256/512KB
BIOS                Award
Dimensions          330mm x 218mm
I/O Options         PS/2 mouse port, parallel port, serial ports (2),
                    32-bit PCI slots (4), floppy drive interface, IDE
                    interface, green PC connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 1              CN1       VRM slot                    J4

  Serial port 2              CN2       Power LED & keylock        J17

  Parallel port              CN3       Speaker                    J18

  Floppy drive interface     CN4       Reset switch               J19

  IDE interface 1            CN5       Turbo LED                  J22

  IDE interface 2            CN6       Green PC connector         JP8

  PS/2 mouse port             J2       IDE interface LED          JP11

  External cache slot         J3       32-bit PCI slots         PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not              J5              N/A
      alter

     PS/2 mouse disabled                     J11              Open

      PS/2 mouse enabled                      J11             Closed

     Factory configured - do not             JP2              N/A
      alter

     Monitor type select color               JP3             Closed

      Monitor type select monochrome          JP3              Open

     CMOS memory normal operation            JP5              Open

      CMOS memory clear                       JP5             Closed

     Factory configured - do not             JP6           pins 1 & 2
      alter                                                   closed

     Factory configured - do not             JP7           pins 1 & 2
      alter                                                   closed

     Factory configured - do not             JP9              N/A
      alter

     Factory configured - do not             JP13            Closed
      alter

     Factory configured - do not             JP14          pins 1 & 2
      alter                                                   closed

     Factory configured - do not             JP15             N/A
      alter

     Factory configured - do not             JP18          pins 1 & 2
      alter                                                   closed

     Factory configured - do not             JP19          pins 2 & 3
      alter                                                   closed

     Factory configured - do not             JP22             Open
      alter

     Pipeline mode enabled                   JP23            Closed

      Pipeline mode disabled                  JP23             Open

     Cache type select write back            JP24             Open

      Cache type select write through         JP24            Closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         NONE

       4MB        (2) 512K x 36         NONE

       4MB        (2) 256K x 36    (2) 256K x 36

       6MB        (2) 512K x 36    (2) 256K x 36

       6MB        (2) 256K x 36    (2) 512K x 36

       8MB         (2) 1M x 36          NONE

       8MB        (2) 512K x 36    (2) 512K x 36

       8MB         (2) 1M x 36          NONE

      10MB         (2) 1M x 36     (2) 256K x 36

      10MB        (2) 256K x 36     (2) 1M x 36

      10MB         (2) 1M x 36     (2) 256K x 36

      12MB         (2) 1M x 36     (2) 512K x 36

      12MB        (2) 512K x 36     (2) 1M x 36

      12MB         (2) 1M x 36     (2) 512K x 36

      16MB         (2) 1M x 36      (2) 1M x 36

      16MB         (2) 1M x 36      (2) 1M x 36

      16MB         (2) 2M x 36          NONE

      18MB        (2) 256K x 36     (2) 2M x 36

      18MB         (2) 2M x 36     (2) 256K x 36

      20MB        (2) 512K x 36     (2) 2M x 36

            DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1

      20MB         (2) 2M x 36     (2) 512K x 36

      24MB         (2) 1M x 36      (2) 2M x 36

      24MB         (2) 1M x 36      (2) 2M x 36

      24MB         (2) 2M x 36      (2) 1M x 36

      32MB         (2) 4M x 36          NONE

      32MB         (2) 2M x 36      (2) 2M x 36

      34MB        (2) 256K x 36     (2) 4M x 36

      34MB         (2) 4M x 36     (2) 256K x 36

      36MB        (2) 512K x 36     (2) 4M x 36

      36MB         (2) 4M x 36     (2) 512K x 36

      40MB         (2) 1M x 36      (2) 4M x 36

      40MB         (2) 4M x 36      (2) 1M x 36

      40MB         (2) 1M x 36      (2) 4M x 36

      48MB         (2) 4M x 36      (2) 2M x 36

      48MB         (2) 2M x 36      (2) 4M x 36

      64MB         (2) 8M x 36          NONE

      64MB         (2) 4M x 36      (2) 4M x 36

      66MB         (2) 8M x 36     (2) 256K x 36

      66MB        (2) 256K x 36     (2) 8M x 36

      68MB         (2) 8M x 36     (2) 512K x 36

      68MB        (2) 512K x 36     (2) 8M x 36

      72MB         (2) 1M x 36      (2) 8M x 36

      72MB         (2) 8M x 36      (2) 1M x 36

      72MB         (2) 1M x 36      (2) 8M x 36

      80MB         (2) 8M x 36      (2) 2M x 36

      80MB         (2) 2M x 36      (2) 8M x 36

      96MB         (2) 8M x 36      (2) 4M x 36

      96MB         (2) 4M x 36      (2) 8M x 36

      128MB        (2) 16M x 36         NONE

      128MB        (2) 8M x 36      (2) 8M x 36

                            CACHE CONFIGURATION

     Size         Bank 0       Bank 1         TAG              J3

    256KB        (4) 32K x    (4) 32K x    (1) 8K or          NONE
                    8            8        (1) 16K x 8

    256KB          NONE         NONE       (1) 8K or     Card installed
                                          (1) 16K x 8

    512KB        (4) 64K x    (4) 64K x   (1) 32K x 8         NONE
                    8            8

    512KB          NONE         NONE      (1) 32K x 8    Card installed

                        CACHE JUMPER CONFIGURATION

    Size           JP4            JP16           JP17           JP20

    256KB       pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

    256KB       pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

    512KB       pins 2 & 3     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

    512KB       pins 1 & 2     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

                        CACHE VOLTAGE CONFIGURATION

          Size                      JP1                     JP29

          3.3v              pins 1 & 2, 3 & 4, 5            Open
                                & 6 closed

      Mixed voltage                Open            pins 1 & 2, 3 & 4, 5 &
                                                          6 closed

              CPU SPEED CONFIGURATION

    Speed     Bus speed       JP12        JP13

    75MHz       50MHz         Open        Open

    90MHz       60MHz        Closed       Open

   100MHz       66MHz        Closed      Closed

   100MHz       50MHz         Open        Open

   120MHz       60MHz        Closed       Open

   133MHz       66MHz        Closed      Closed

   150MHz       60MHz        Closed       Open

        AT BUS CLOCK CONFIGURATION

        Speed                JP10

      Clock /4        pins 2 & 3 closed

      Clock /3        pins 1 & 2 closed

                   CPU VOLTAGE CONFIGURATION

    Voltage           J8              J9             J10

      3.3v          Closed           Open            Open

  3.45v - 3.6v       Open           Closed           Open

  CPU BUS RATIO CONFIGURATION

   Ratio      JP21      JP22

    3/2       Open      Open

    2/1      Closed     Open

    5/2      Closed    Closed

    3/1       Open     Closed

                      BIOS CONFIGURATION

         DMA                 JP25                 JP26

        EPROM          pins 1 & 2 closed   pins 2 & 3 closed

        Flash          pins 2 & 3 closed   pins 1 & 2 closed

