
SOYO TECHNOLOGY CO., LTD.

SY-030G/H

Processor  80486SX/SL80486SX/CX486DX/U5S/80486DX/CX486DX2/AM486DX2/
           80486DX2/AM486DX4/80486DX4/P24D/Pentium Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/
Speed      100(internal)MHz
Chip Set   Unidentified
Max.       256MB
Onboard
DRAM
Cache      256/512/1024KB
BIOS       Award
Dimensions 330mm x 218mm
I/O        32-bit PCI slots (3), IDE interfaces (2), green PC connector
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  IDE interface              J4        External battery          J20
  (primary)

  IDE interface              J5        Turbo switch              J21
  (secondary)

  Green PC connector         J6        Turbo LED                 J22

  Power LED & keylock       J17        IDE Interface LED         JP10
                                       (primary)

  Speaker                   J18        IDE interface LED         JP11
                                       (secondary)

  Reset switch              J19        32-bit PCI slots       PCI1 - PCI3

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper          Position

     Monitor type select color              JP3             Closed

      Monitor type select monochrome         JP3              Open

     CMOS memory normal operation           JP5        pins 1 & 2 closed

      CMOS memory clear                      JP5        pins 2 & 3 closed

     Factory configured - do not            JP28       pins 2 & 3, 4 & 5
      alter                                                  closed

     Factory configured - do not            JP29              N/A
      alter

     Factory configured - do not            JP35              N/A
      alter

     Factory configured - do not            JP36              N/A
      alter

     Factory configured - do not            JP37              N/A
      alter

     Factory configured - do not            JP38              N/A
      alter

     Factory configured - do not            JP39       pins 1 & 2 closed
      alter

     Factory configured - do not            JP45             Open
      alter

  Note: The location of JP28 is unidentified.

                            DRAM CONFIGURATION

     Size          Bank 0        Bank 1         Bank 2         Bank 3

        1MB      (1) 256K x       NONE           NONE           NONE
                     36

     2MB         (1) 256K x     (1) 256K x       NONE           NONE
                     36            36

     2MB         (1) 512K x       NONE           NONE           NONE
                     36

     3MB         (1) 256K x     (1) 256K x     (1) 256K x       NONE
                     36            36             36

     4MB         (1) 256K x     (1) 256K x     (1) 256K x   (1) 256K x 36
                     36            36             36

     4MB         (1) 512K x     (1) 512K x       NONE           NONE
                     36            36

     4MB        (1) 1M x 36       NONE           NONE           NONE

     5MB         (1) 256K x    (1) 1M x 36       NONE           NONE
                     36

     6MB         (1) 512K x     (1) 512K x     (1) 512K x       NONE
                     36            36             36

     8MB         (1) 512K x     (1) 512K x     (1) 512K x   (1) 512K x 36
                     36            36             36

     8MB        (1) 1M x 36    (1) 1M x 36       NONE           NONE

     8MB        (1) 2M x 36       NONE           NONE           NONE

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

     12MB       (1) 1M x 36    (1) 1M x 36    (1) 1M x 36       NONE

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

     16MB       (1) 2M x 36    (1) 2M x 36       NONE           NONE

     16MB       (1) 4M x 36       NONE           NONE           NONE

     17MB        (1) 256K x    (1) 4M x 36       NONE           NONE
                     36

     20MB        (1) 512K x     (1) 512K x    (1) 4M x 36       NONE
                     36            36

     20MB       (1) 1M x 36    (1) 4M x 36       NONE           NONE

     24MB        (1) 512K x     (1) 512K x    (1) 1M x 36    (1) 4M x 36
                     36            36

     24MB       (1) 1M x 36    (1) 1M x 36    (1) 4M x 36       NONE

     24MB       (1) 2M x 36    (1) 2M x 36    (1) 2M x 36       NONE

     32MB       (1) 2M x 36    (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     32MB       (1) 4M x 36    (1) 4M x 36       NONE           NONE

     32MB       (1) 8M x 36       NONE           NONE           NONE

     36MB        (1) 512K x     (1) 512K x    (1) 4M x 36    (1) 4M x 36
                     36            36

     36MB       (1) 1M x 36    (1) 4M x 36    (1) 4M x 36       NONE

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0        Bank 1         Bank 2         Bank 3

     36MB       (1) 1M x 36    (1) 8M x 36       NONE           NONE

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

     40MB       (1) 1M x 36    (1) 1M x 36    (1) 8M x 36       NONE

     48MB       (1) 4M x 36    (1) 4M x 36    (1) 4M x 36       NONE

     48MB       (1) 4M x 36    (1) 8M x 36       NONE           NONE

     64MB       (1) 4M x 36    (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

     64MB       (1) 16M x 36      NONE           NONE           NONE

     64MB       (1) 4M x 36    (1) 4M x 36    (1) 8M x 36       NONE

     64MB       (1) 8M x 36    (1) 8M x 36       NONE           NONE

     65MB        (1) 256K x    (1) 16M x 36      NONE           NONE
                     36

     68MB       (1) 1M x 36    (1) 16M x 36      NONE           NONE

     68MB       (1) 1M x 36    (1) 8M x 36    (1) 8M x 36       NONE

     70MB       (1) 16M x 36    (1) 512K x     (1) 512K x   (1) 512K x 36
                                   36             36

     72MB       (1) 1M x 36    (1) 1M x 36    (1) 16M x 36      NONE

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

     80MB       (1) 4M x 36    (1) 16M x 36      NONE           NONE

     80MB       (1) 4M x 36    (1) 8M x 36    (1) 8M x 36       NONE

     88MB       (1) 16M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     96MB       (1) 4M x 36    (1) 4M x 36    (1) 16M x 36      NONE

     96MB       (1) 4M x 36    (1) 4M x 36    (1) 8M x 36    (1) 8M x 36

     96MB       (1) 8M x 36    (1) 8M x 36    (1) 8M x 36       NONE

    112MB       (1) 16M x 36   (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

    128MB       (1) 16M x 36   (1) 16M x 36      NONE           NONE

    128MB       (1) 8M x 36    (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

    132MB       (1) 16M x 36   (1) 16M x 36    (1) 512K x   (1) 512K x 36
                                                  36

    144MB       (1) 16M x 36   (1) 16M x 36   (1) 2M x 36    (1) 2M x 36

    160MB       (1) 16M x 36   (1) 16M x 36   (1) 4M x 36    (1) 4M x 36

    160MB       (1) 16M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

    192MB       (1) 16M x 36   (1) 16M x 36   (1) 16M x 36

    192MB       (1) 16M x 36   (1) 16M x 36   (1) 8M x 36    (1) 8M x 36

    194MB       (1) 16M x 36   (1) 16M x 36   (1) 16M x 36  (1) 512K x 36

    200MB       (1) 16M x 36   (1) 16M x 36   (1) 16M x 36   (1) 2M x 36

    208MB       (1) 16M x 36   (1) 16M x 36   (1) 16M x 36   (1) 4M x 36

    224MB       (1) 16M x 36   (1) 16M x 36   (1) 16M x 36   (1) 8M x 36

    256MB       (1) 16M x 36   (1) 16M x 36   (1) 16M x 36  (1) 16M x 36

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

     256KB        (4) 32K x 8     (4) 32K x 8    (1) 32K x 8

     256KB        (4) 64K x 8        NONE        (1) 32K x 8

     512KB        (4) 64K x 8     (4) 64K x 8    (1) 32K x 8

     512KB       (4) 128K x 8        NONE        (1) 32K x 8

      1MB        (4) 128K x 8    (4) 128K x 8    (1) 64K x 8

                        CACHE JUMPER CONFIGURATION

      Size              JP23               JP24               JP25

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

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

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

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

       1MB            pins 2 & 3        pins 1 & 2      pins 2 & 3 closed
                       closed             closed

                          CPU TYPE CONFIGURATION

       Type            JP1        JP2        JP4        JP6        JP7

      80486SX         Open        Open      1 & 3,     Open       3 & 4
                                            2 & 4

     SL80486SX        Open        Open      1 & 3,     Open       3 & 4
                                            2 & 4

   CX486DX (5v)       Open        Open      1 & 3,     3 & 4      2 & 3
                                            2 & 4

        U5S           Open        Open      1 & 3,     Open       Open
                                            2 & 4

   80486DX (5v)       Open        Open      1 & 3,     Open       3 & 4
                                            2 & 4

  CX486DX2 (3.6v)     Open        Open      3 & 5,     3 & 4      2 & 3
                                            4 & 6

   CX486DX2 (4v)      Open        Open      3 & 5,     1 & 2      2 & 3
                                            4 & 6

   CX486DX2 (5v)      Open        Open      1 & 3,     3 & 4      2 & 3
                                            2 & 4

  AM486DX2 (3.45v)    Open       2 & 3      3 & 5,     5 & 6      3 & 4
                                            4 & 6

   80486DX2 (5v)      Open        Open      1 & 3,     Open       3 & 4
                                            2 & 4

  AM486DX4 (3.45v)    Open       1 & 2      3 & 5,     5 & 6      3 & 4
                                            4 & 6

  80486DX4 (3.45v)    Open        Open      3 & 5,     5 & 6      3 & 4
                                            4 & 6

   80486DX4 (5v)      Open        Open      1 & 3,     Open       3 & 4
                                            2 & 4

       P24D           Open       1 & 2      1 & 3,     Open      1 & 2, 3
                                            2 & 4                  & 4

      Pentium         Open        Open      1 & 3,     Open       3 & 4
     Overdrive                              2 & 4

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

       Type            JP8        JP9       JP15       JP16       JP17

      80486SX         Open       2 & 3      Open       2 & 3      Open

     SL80486SX        Open       2 & 3      Open       2 & 3      Open

   CX486DX (5v)       2 & 3      1 & 2,    3 & 4       2 & 3      2 & 3
                                 3 & 4

        U5S           3 & 4      1 & 2,   1 & 2, 3     2 & 3      Open
                                 3 & 4      & 4

   80486DX (5v)       Open       1 & 2,    3 & 4       2 & 3      Open
                                 3 & 4

  CX486DX2 (3.6v)     2 & 3      1 & 2,    3 & 4       2 & 3      2 & 3
                                 3 & 4

   CX486DX2 (4v)      2 & 3      1 & 2,    3 & 4       2 & 3      2 & 3
                                 3 & 4

   CX486DX2 (5v)      2 & 3      1 & 2,    3 & 4       2 & 3      2 & 3
                                 3 & 4

  AM486DX2 (3.45v)    Open       1 & 2,    3 & 4       2 & 3      Open
                                 3 & 4

   80486DX2 (5v)      Open       1 & 2,    3 & 4       2 & 3      Open
                                 3 & 4

  AM486DX4 (3.45v)    Open       1 & 2,    3 & 4       2 & 3      Open
                                 3 & 4

  80486DX4 (3.45v)    Open       1 & 2,    3 & 4       2 & 3      Open
                                 3 & 4

   80486DX4 (5v)      Open       1 & 2,    3 & 4       2 & 3      Open
                                 3 & 4

       P24D           Open       1 & 2,    3 & 4       1 & 2      1 & 2
                                 3 & 4

      Pentium         1 & 2      1 & 2,    2 & 3       1 & 2      1 & 2
     Overdrive                   3 & 4

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

        Type               JP18              JP19              JP20

       80486SX           pins 1 & 2          Open           pins 2 & 3
                          closed                              closed

      SL80486SX          pins 1 & 2          Open           pins 2 & 3
                          closed                              closed

    CX486DX (5v)         pins 1 & 2          Open           pins 1 & 2
                          closed                              closed

         U5S             pins 2 & 3          Open           pins 4 & 5
                          closed                              closed

    80486DX (5v)         pins 1 & 2          Open           pins 2 & 3
                          closed                              closed

   CX486DX2 (3.6v)       pins 1 & 2          Open           pins 1 & 2
                          closed                              closed

    CX486DX2 (4v)        pins 1 & 2          Open           pins 1 & 2
                          closed                              closed

    CX486DX2 (5v)        pins 1 & 2          Open           pins 1 & 2
                          closed                              closed

  AM486DX2 (3.45v)       pins 1 & 2          Open           pins 2 & 3
                          closed                              closed

    80486DX2 (5v)        pins 1 & 2          Open           pins 2 & 3
                          closed                              closed

  AM486DX4 (3.45v)       pins 1 & 2          Open           pins 2 & 3
                          closed                              closed

  80486DX4 (3.45v)       pins 1 & 2          Open           pins 2 & 3
                          closed                              closed

    80486DX4 (5v)        pins 1 & 2          Open           pins 2 & 3
                          closed                              closed

        P24D             pins 1 & 2       pins 1 & 2        pins 2 & 3
                          closed            closed            closed

  Pentium Overdrive      pins 1 & 2          Open           pins 2 & 3
                          closed                              closed

                      CPU TYPE CONFIGURATION (CONT)

        Type               JP21              JP22              JP44

       80486SX           pins 1 & 2       pins 4 & 5           Open
                          closed            closed

      SL80486SX          pins 1 & 2       pins 4 & 5           Open
                          closed            closed

    CX486DX (5v)           Open           pins 2 & 3           Open
                                            closed

         U5S               Open              Open              Open

    80486DX (5v)         pins 1 & 2       pins 4 & 5           Open
                          closed            closed

   CX486DX2 (3.6v)         Open           pins 2 & 3           Open
                                            closed

    CX486DX2 (4v)          Open           pins 2 & 3           Open
                                            closed

    CX486DX2 (5v)          Open           pins 2 & 3           Open
                                            closed

  AM486DX2 (3.45v)       pins 1 & 2       pins 4 & 5           Open
                          closed            closed

    80486DX2 (5v)        pins 1 & 2       pins 4 & 5           Open
                          closed            closed

  AM486DX4 (3.45v)       pins 1 & 2       pins 4 & 5           Open
                          closed            closed

  80486DX4 (3.45v)       pins 1 & 2       pins 4 & 5           Open
                          closed            closed

    80486DX4 (5v)        pins 1 & 2       pins 4 & 5           Open
                          closed            closed

        P24D             pins 2 & 3       pins 4 & 5           Open
                          closed            closed

  Pentium Overdrive        Open           pins 1 & 2        pins 1 & 2
                                            closed            closed

                          CPU SPEED CONFIGURATION

     Speed          JP30          JP31          JP32            JP33

     25MHz          Open          Open          Open          pins 1 & 2
                                                               closed

     33MHz          Open         Closed        Closed         pins 1 & 2
                                                               closed

     40MHz          Open          Open         Closed         pins 2 & 3
                                                               closed

     50iMHz         Open          Open          Open          pins 1 & 2
                                                               closed

     50MHz          Open         Closed         Open          pins 2 & 3
                                                               closed

     66iMHz         Open         Closed        Closed         pins 1 & 2
                                                               closed

     75iMHz         Open          Open          Open          pins 1 & 2
                                                               closed

     80iMHz         Open          Open         Closed         pins 2 & 3
                                                               closed

    100iMHz         Open         Closed        Closed         pins 1 & 2
                                                               closed

