RELIALOGIC CORPORATION PRIVATE, LTD.

SI54A

Processor              Pentium
Processor Speed        75/90/100MHz
Chip Set               SIS
Max. Onboard DRAM      128MB
Cache                  256/512/1024KB
BIOS                   Award
Dimensions             330mm x 218mm
I/O Options            32-bit PCI slots (4), floppy drive interface, IDE
                       interfaces (2), parallel port, serial ports (2)
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  Parallel port                J4       Reset switch              J11

  Serial port 1                J5       Speaker                   J12

  Serial port 2                J6       Power LED & keylock       J13

  Floppy drive interface       J7       Turbo LED                 LED1

  IDE interface                J8       IDE interface LED         LED2
  (secondary)

  IDE interface (primary)      J9       32-bit PCI slots        PCI - PC4

  Turbo switch                J10

  Note: The location of LED1 is unidentified.

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   On board I/O enabled                     JP3           pins 1 & 2
                                                              closed

      On board I/O disabled                    JP3           pins 2 & 3
                                                              closed

  »   IDE interface enabled                    JP4             Open

      IDE interface disabled                   JP4            Closed

  »   Parity check enabled                     JP5            Closed

      Parity check disabled                    JP5             Open

  »   Factory configured - do not alter        JP9              N/A

  »   Cache invalidation select always        JP13           pins 1 & 2
      invalidated                                             closed

      Cache invalidation select writes        JP13           pins 2 & 3
      to invalidated                                          closed

  »   Cache write select write back           JP14           pins 1 & 2
                                                              closed

      Cache write select write through        JP14           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter       JP15              N/A

  »   Factory configured - do not alter       JP16              N/A

  »   Factory configured - do not alter       JP17              N/A

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         NONE

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

       4MB        (2) 512K x 36         NONE

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

       8MB         (2) 1M x 36          NONE

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

      16MB         (2) 2M x 36          NONE

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

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

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

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

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

      64MB         (2) 8M x 36          NONE

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

      128MB        (2) 16M x 36         NONE

                         DRAM JUMPER CONFIGURATION

                   Type                                  JP7

          Single side SIMMs only                  pins 2 & 3 closed

   Bank 0 = single side SIMMs & Bank 1 =      pins 1 & 2, 3 & 4 closed
            double side SIMMs

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

     256KB        (4) 32K x 8     (4) 32K x 8    (2) 32K x 8

     512KB        (4) 64K x 8     (4) 64K x 8    (2) 32K x 8

      1MB        (4) 128K x 8    (4) 128K x 8    (2) 32K x 8

  CACHE JUMPER CONFIGURATION

   Size      JP11      JP12

  256KB      Open      Open

  512KB     Closed    Closed

   1MB      Closed    Closed

                       CPU SPEED CONFIGURATION

               Speed                              JP8

               75MHz                pins 2 & 3, 5 & 6, 7 & 8 closed

               90MHz                pins 2 & 3, 4 & 5, 8 & 9 closed

              100MHz                pins 1 & 2, 5 & 6, 7 & 8 closed

            BIOS CONFIGURATION

        Type                 JP6

        EPROM         pins 1 & 2 closed

      Flash 5v        pins 1 & 2 closed

      Flash 12v       pins 2 & 3 closed

                    DACK/DRQ CONFIGURATION

      DACK/DRQ               JP1                  JP2

     DACK1/DRQ1        pins 1 & 2 closed   pins 2 & 3 closed

     DACK3/DRQ3        pins 2 & 3 closed   pins 1 & 2 closed