
EFA CORPORATION

P54CNPCI

Processor         Pentium
Processor Speed   75/90/100MHz
Chip Set          Intel
Max. Onboard DRAM 192MB
Cache             256/512KB
BIOS              Award
Dimensions        330mm x 218mm
I/O Options       32-bit PCI slots (4), PS/2 mouse interface
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  Reset switch             J21        Speaker                    J25

  Turbo switch             J22        PS/2 mouse &               J26
                                      auxiliary keyboard

  Power LED &              J23        External battery           J27
  keylock

  Turbo LED                J24        32-bit PCI slots        PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             JP11             Open
      alter

     Pipeline mode enabled                   JP14            Closed

      Pipeline mode disabled                  JP14             Open

     Monitor type select color               JP16            Closed

      Monitor type select monochrome          JP16             Open

     Cache type select write back            JP17             Open

      Cache type select write through         JP17            Closed

     BIOS type select EPROM                  JP18          pins 1 & 2
                                                              closed

      BIOS type select flash ROM              JP18          pins 2 & 3
                                                              closed

     CMOS memory normal operation            JP19             Open

      CMOS memory clear                       JP19            Closed

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       2MB        (2) 256K x 36         NONE            NONE

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

       4MB        (2) 512K x 36         NONE            NONE

       6MB        (2) 256K x 36         NONE        (2) 512K x 36

       6MB        (2) 512K x 36         NONE        (2) 256K x 36

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

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

       8MB         (2) 1M x 36          NONE            NONE

       8MB        (2) 512K x 36    (2) 256K x 36    (2) 256K x 36

      10MB        (2) 256K x 36         NONE         (2) 1M x 36

      10MB         (2) 1M x 36          NONE        (2) 256K x 36

      10MB        (2) 256K x 36    (2) 512K x 36    (2) 512K x 36

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

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

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

      12MB         (2) 1M x 36     (2) 256K x 36    (2) 256K x 36

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

      16MB         (2) 2M x 36          NONE            NONE

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

      18MB        (2) 256K x 36         NONE         (2) 2M x 36

      18MB         (2) 2M x 36          NONE        (2) 256K x 36

      18MB        (2) 256K x 36     (2) 1M x 36      (2) 1M x 36

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

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

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

      20MB         (2) 2M x 36     (2) 256K x 36    (2) 256K x 36

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

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

      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

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

                    DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1          Bank 2

      32MB         (2) 4M x 36          NONE            NONE

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

      34MB        (2) 256K x 36         NONE         (2) 4M x 36

      34MB         (2) 4M x 36          NONE        (2) 256K x 36

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

      36MB        (2) 512K x 36         NONE         (2) 4M x 36

      36MB         (2) 4M x 36          NONE        (2) 512K x 36

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

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

      40MB         (2) 1M x 36          NONE         (2) 4M x 36

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

      40MB         (2) 4M x 36     (2) 512K x 36    (2) 512K x 36

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

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

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

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

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

      64MB         (2) 8M x 36          NONE            NONE

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

      66MB        (2) 256K x 36         NONE         (2) 8M x 36

      66MB         (2) 8M x 36          NONE        (2) 256K x 36

      66MB        (2) 256K x 36     (2) 4M x 36      (2) 4M x 36

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

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

      68MB        (2) 512K x 36     (2) 4M x 36      (2) 4M x 36

      68MB         (2) 8M x 36     (2) 256K x 36    (2) 256K x 36

      72MB         (2) 1M x 36          NONE         (2) 8M x 36

      72MB         (2) 8M x 36          NONE         (2) 1M x 36

      72MB         (2) 1M x 36      (2) 4M x 36      (2) 4M x 36

      72MB         (2) 8M x 36     (2) 512K x 36    (2) 512K x 36

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

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

      80MB         (2) 8M x 36      (2) 1M x 36      (2) 1M x 36

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

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

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

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

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

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

      130MB       (2) 256K x 36     (2) 8M x 36      (2) 8M x 36

      132MB       (2) 512K x 36     (2) 8M x 36      (2) 8M x 36

      136MB        (2) 1M x 36      (2) 8M x 36      (2) 8M x 36

      144MB        (2) 2M x 36      (2) 8M x 36      (2) 8M x 36

      160MB        (2) 4M x 36      (2) 8M x 36      (2) 8M x 36

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

     CACHE CONFIGURATION

     Size          Bank 0

     256KB      (8) 32K x 8

     512KB      (8) 64K x 8

                  CACHE JUMPER CONFIGURATION

        Size                 JP12                 JP13

         0KB           pins 1 & 2 closed   pins 1 & 2 closed

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

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

                          CPU SPEED CONFIGURATION

    System      CPU speed      JP15       JP20        JP21        JP22
    speed

    50MHz         75MHz       2 & 3       1 & 2       1 & 2       Open

    50MHz        100MHz       2 & 3       1 & 2       2 & 3       Open

    60MHz         90MHz       2 & 3       2 & 3       1 & 2       1 & 2

    66MHz        100MHz       1 & 2       2 & 3       1 & 2       Open

  Note: Pins designated should be in the closed position.

              PCI IRQ CONFIGURATION

    Interrupt          JP5              JP6

  INT A (IRQ14)       Closed            Open

  INT B (IRQ15)        Open            Closed

