
CALIBER COMPUTER

80486-33A

Processor         80486DX
Processor Speed   33MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             64/256KB
BIOS              AMI
Dimensions        330.2mm x 218.4mm
I/O Options       32-bit external memory card slot
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           J10       32-bit external             S1
                                       memory card

  Power LED & keylock        J23       Reset switch               SW1

  Speaker                    J24       Turbo switch               SW2

  Turbo LED                 JP12

                         USER CONFIGURABLE SETTINGS

    Monitor type select color                  JP1            Closed

     Monitor type select monochrome             JP1             Open

    CMOS memory normal operation               JP2          pins 2 & 3
                                                               closed

     CMOS memory clear                          JP2          pins 1 & 2
                                                               closed

    Bus speed select iOSC/4                    JP3             Open

     Bus speed select iOSC/6                    JP3            Closed

           DRAM CONFIGURATION

     Size        Bank 0        Bank 1

     4MB        (4) 1M x 9      NONE

     8MB        (4) 1M x 9   (4) 1M x 9

     16MB       (4) 4M x 9      NONE

     20MB       (4) 1M x 9   (4) 4M x 9

     32MB       (4) 4M x 9   (4) 4M x 9

                 CACHE CONFIGURATION

  Size       Bank 0        TAG (U33)      TAG (U34)

  64KB     (8) 8K x 8     (1) 32K x 1    (1) 8K x 8

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

              CACHE JUMPER CONFIGURATION

  Size       JP8        JP9        JP10       JP11

  64KB      Open        Open       Open       Open

  256KB    Closed      Closed      Open      Closed

                          CPU TYPE CONFIGURATION

    Type            JP5                  JP6                  JP7

  80486SX           Open           pins 2 & 3 closed         Open

  80487SX     pins 1 & 2 closed    pins 1 & 2 closed        Closed

  80486DX     pins 2 & 3 closed    pins 1 & 2 closed        Closed

