ADVANCED INTEGRATION RESEARCH, INC.

54CPI (REV. 3.00)

Processor             Pentium
Processor Speed       75/90/100/120/133/150/166MHz
Chip Set              Intel
Video Chip Set        None
Maximum Onboard       128MB (EDO supported)
Memory
Maximum Video Memory  None
Cache                 256/512KB
BIOS                  Unidentified
Dimensions            330mm x 222mm
I/O Options           32-bit PCI slots (4), floppy drive interface, green
                      PC connector, IDE interfaces (2), parallel port,
                      PS/2 mouse interface, serial ports (2), IR connector
NPU Options           None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 1              CN1       Reset switch                J2

  Serial port 2              CN2       Speaker                     J3

  Parallel port              CN3       IDE interface LED           J4

  Floppy drive interface     CN4       Power LED & keylock         J5

  IDE interface 2            CN5       Turbo LED                   J6

  IDE interface 1            CN6       IR connector                J7

  PS/2 mouse interface       CN7       32-bit PCI slots         PC1 - PC4

  Green PC connector          J1

                        USER CONFIGURABLE SETTINGS

                Function                     Label          Position

  »   Factory configured - do not alter       JS3         Unidentified

  »   Parallel port IRQ select IRQ7           JS5       Pins 1 & 2 closed

      Parallel port IRQ select IRQ5           JS5       Pins 2 & 3 closed

  »   Monitor type select                    JS15       Pins 2 & 3 closed
      monochrome/EGA/VGA

      Monitor type select CGA                JS15       Pins 1 & 2 closed

  »   Flash BIOS voltage select 12v          JS17       Pins 1 & 2 closed

      Flash BIOS voltage select 5v           JS17       Pins 2 & 3 closed

  »   CMOS memory normal operation           JS18       Pins 1 & 2 closed

      CMOS memory clear                      JS18       Pins 2 & 3 closed

                        DRAM CONFIGURATION

         Size                 Bank 0                Bank 1

         8MB               (2) 1M x 36               None

         16MB              (2) 2M x 36               None

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

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

         32MB              (2) 4M x 36               None

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

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

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

         64MB              (2) 8M x 36               None

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

         72MB              (2) 1M x 36            (2) 8M x 36

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

         96MB              (2) 4M x 36            (2) 8M x 36

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

  Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

                  CACHE CONFIGURATION

       Size             Bank 0             Bank 1

      256KB          (2) 32K x 32           None

      512KB          (2) 32K x 32       (2) 32K x 32

  Note: The location of banks 0 & 1 are unidentified.

                            CPU SPEED SELECTION

    CPU      Clock    Multiplier    JS9    JS10     JS11    JS25    JS32
  speed      speed

  75MHz      50MHz       1.5x        1 &   2 & 3    1 & 2   1 & 2   1 & 2
                                     2

  90MHz      60MHz       1.5x        1 &   1 & 2    2 & 3   1 & 2   1 & 2
                                     2

  100MHz     66MHz       1.5x        2 &   2 & 3    2 & 3   1 & 2   1 & 2
                                     3

  120MHz     60MHz        2x         1 &   1 & 2    2 & 3   1 & 2   2 & 3
                                     2

  133MHz     66MHz        2x         2 &   2 & 3    2 & 3   1 & 2   2 & 3
                                     3

  150MHz     60MHz       2.5x        1 &   1 & 2    2 & 3   2 & 3   2 & 3
                                     2

  166MHz     66MHz       2.5x        2 &   2 & 3    2 & 3   2 & 3   2 & 3
                                     3

  Note: Pins designated should be in the closed position.

                           CPU VOLTAGE SELECTION

                Voltage                                JS31

  »                STD/VR                       Pins 2 & 3 closed

                    VRE                         Pins 1 & 2 closed

                           DMA CHANNEL SELECTION

       Channel              JS1               JS7               JS8

  »       Normal         Pins 2 & 3          Open              Open
                           closed

            1            Pins 1 & 2        Pins 2 & 3        Pins 2 & 3
                           closed           closed            closed

            3            Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                           closed           closed            closed

                          FLOPPY DRIVE SELECTION

           Setting                    JS2                    JS6

  »          Normal            Pins 2 & 3 closed             Open

            Enhanced           Pins 1 & 2 closed      Pins 2 & 3 closed