
SOYO TECHNOLOGY COMPANY, LTD.

PENTIUM (P54C) EISA PCI MAINBOARD

Processor         Pentium
Processor Speed   90/100MHz
Chip Set          Unidentified
Max. Onboard DRAM 512MB
Cache             256/512KB
BIOS              AWARD
Dimensions        330mm x 218mm
I/O Options       32-bit PCI slots (4)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                 Location      Purpose                Location

  Power LED & keylock        J17        Turbo LED                J22

  Speaker                    J18        32-bit PCI slots      PCI1 - PCI4

  Reset switch               J19

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color               JP3             Closed

      Monitor type select monochrome          JP3              Open

     Pipeline mode disabled                  JP7              Open

      Pipeline mode enabled                   JP7             Closed

     CPU cache type select write back        JP12             Open

      CPU cache type select write             JP12            Closed
      through

     Single processor enabled                JP16          pins 1 & 2
                                                              closed

      Dual processor enabled                  JP16          pins 2 & 3
                                                              closed

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       2MB        (2) 256K x 36         NONE            NONE

       4MB        (2) 256K x 36    (2) 256K x 36        NONE

       4MB        (2) 512K x 36         NONE            NONE

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

       8MB        (2) 512K x 36    (2) 512K x 36        NONE

       8MB         (2) 1M x 36          NONE            NONE

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

      12MB         (2) 1M x 36     (2) 512K x 36        NONE

      16MB         (2) 1M x 36     (2) 512K x 36    (2) 512K x 36

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

      16MB         (2) 2M x 36          NONE            NONE

      20MB         (2) 1M x 36      (2) 1M x 36     (2) 512K x 36

      20MB         (2) 2M x 36     (2) 512K x 36        NONE

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

      24MB         (2) 2M x 36     (2) 512K x 36    (2) 512K x 36

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

      32MB         (2) 4M x 36          NONE            NONE

      32MB         (2) 2M x 36      (2) 2M x 36         NONE

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

      48MB         (2) 4M x 36      (2) 2M x 36         NONE

      48MB         (2) 4M x 36      (2) 1M x 36      (2) 1M x 36

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

      64MB         (2) 8M x 36          NONE            NONE

      64MB         (2) 4M x 36      (2) 4M x 36         NONE

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

      68MB        (2) 512K x 36     (2) 8M x 36         NONE

      80MB         (2) 2M x 36      (2) 8M x 36         NONE

      96MB         (2) 8M x 36      (2) 4M x 36         NONE

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

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

      128MB        (2) 8M x 36      (2) 8M x 36         NONE

      128MB        (2) 8M x 36      (2) 4M x 36      (2) 4M x 36

      128MB        (2) 16M x 36         NONE            NONE

      192MB        (2) 8M x 36      (2) 8M x 36      (2) 8M x 36

                  DRAM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1          Bank 2

     256MB       (2) 16M x 36    (2) 16M x 36        NONE

     256MB       (2) 32M x 36        NONE            NONE

     384MB       (2) 16M x 36    (2) 16M x 36    (2) 16M x 36

     512MB       (2) 32M x 36    (2) 32M x 36        NONE

                        DRAM VOLTAGE CONFIGURATION

  Setting      J4         J5        J6        J7         J8         J9

   3.33v     Closed     Closed    Closed     Open       Open       Open
   SRAM

   Mixed      Open       Open      Open     Closed     Closed     Closed
   SRAM

     CACHE CONFIGURATION

     Size          Bank 1

     256KB      (8) 32K x 8

     512KB      (8) 64K x 8

        CACHE JUMPER CONFIGURATION

        Size                 JP15

        256KB         pins 2 & 3 closed

        512KB         pins 1 & 2 closed

         CPU SPEED CONFIGURATION

  Speed      JP9       JP10      JP11

  90MHz      Open     Closed     Open

  100MHz    Closed     Open     Closed

                      BIOS CONFIGURATION

       Setting               JP40                 JP41

        EPROM          pins 1 & 2 closed   pins 1 & 2 closed

        Flash          pins 2 & 3 closed   pins 2 & 3 closed

                           PCI IRQ CONFIGURATION

     Setting           JP30          JP31          JP32          JP33

    IRQ9/PIRQ0      pins 1 & 2       Open          Open          Open
                      closed

    IRQ9/PIRQ1      pins 2 & 3       Open          Open          Open
                      closed

   IRQ10/PIRQ0         Open       pins 1 & 2       Open          Open
                                    closed

   IRQ10/PIRQ1         Open       pins 2 & 3       Open          Open
                                    closed

   IRQ14/PIRQ0         Open          Open       pins 1 & 2       Open
                                                  closed

   IRQ14/PIRQ1         Open          Open       pins 2 & 3       Open
                                                  closed

   IRQ15/PIRQ0         Open          Open          Open        pins 1 & 2
                                                                closed

   IRQ15/PIRQ1         Open          Open          Open        pins 2 & 3
                                                                closed

                           PCI IRQ CONFIGURATION

     Setting           JP34          JP35          JP36          JP37

    IRQ9/PIRQ2      pins 1 & 2       Open          Open          Open
                      closed

    IRQ9/PIRQ3      pins 2 & 3       Open          Open          Open
                      closed

   IRQ10/PIRQ2         Open       pins 1 & 2       Open          Open
                                    closed

   IRQ10/PIRQ3         Open       pins 2 & 3       Open          Open
                                    closed

   IRQ14/PIRQ2         Open          Open       pins 1 & 2       Open
                                                  closed

   IRQ14/PIRQ3         Open          Open       pins 2 & 3       Open
                                                  closed

   IRQ15/PIRQ2         Open          Open          Open        pins 1 & 2
                                                                closed

   IRQ15/PIRQ3         Open          Open          Open        pins 2 & 3
                                                                closed

