ADVANCED INTEGRATION RESEARCH, INC.

54CSH REV. 1.01

Processor         Pentium
Processor Speed   75/90/100MHz
Chip Set          SIS
Max. Onboard DRAM 128MB
Cache             256/512/1024KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit PCI slots (4)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  Power LED & keylock         JC2       Turbo switch              JC6

  Speaker                     JC3       Turbo LED                 JC7

  Reset switch                JC4       32-bit PCI slots        PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

  »   Factory configured - do not alter         JC1             N/A

  »   Monitor type select                       JS2             Open
      monochrome/EGA/VGA

      Monitor type select CGA                   JS2            Closed

  »   Flash BIOS write protect enabled          JS3          pins 1 & 2
                                                               closed

      Flash BIOS write protect disabled         JS3          pins 2 & 3
                                                               closed

  »   CMOS memory normal operation              JS4             Open

      CMOS memory clear                         JS4            Closed

  »   Factory configured - do not alter         JS6             N/A

  »   Factory configured - do not alter         JS10         pins 2 & 3
                                                               closed

  »   Factory configured - do not alter         JS11         pins 1 & 2
                                                               closed

  »   Factory configured - do not alter         JS12         pins 1 & 2
                                                               closed

                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

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

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

      16MB         (2) 2M x 36          NONE

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

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

      32MB         (2) 4M x 36          NONE

      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

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

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

      128MB        (2) 16M x 36         NONE

        DRAM JUMPER CONFIGURATION

        Size                 JS5

         2MB          pins 2 & 3 closed

         4MB          pins 1 & 2 closed

         4MB          pins 2 & 3 closed

         8MB          pins 2 & 3 closed

         8MB          pins 2 & 3 closed

        12MB          pins 2 & 3 closed

        16MB          pins 1 & 2 closed

        16MB          pins 2 & 3 closed

        20MB          pins 2 & 3 closed

        32MB          pins 2 & 3 closed

        32MB          pins 2 & 3 closed

        36MB          pins 2 & 3 closed

        40MB          pins 1 & 2 closed

        48MB          pins 2 & 3 closed

        64MB          pins 1 & 2 closed

        64MB          pins 2 & 3 closed

        80MB          pins 2 & 3 closed

        128MB         pins 2 & 3 closed

        128MB         pins 2 & 3 closed

                            CACHE CONFIGURATION

     Size          Bank 0          Bank 1         TAG 0         TAG 1

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

     512KB       (4) 64K x 8    (4) 64K x 8    (1) 16K x 8   (1) 32K x 8

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

                  CACHE JUMPER CONFIGURATION

        Size                 JS13                 JS14

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

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

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

         CPU SPEED CONFIGURATION

  Speed      JS7        JS8       JS9

  75MHz     Closed     Open      Open

  90MHz      Open     Closed     Open

  100MHz     Open     Closed    Closed