MONOLITHIC SYSTEMS, INC. (COLORADO MSI)

MICROFRAME 386CT

Processor           80386DX
Processor Speed     20/25MHz
Chip Set            C & T
Max. Onboard DRAMe  8MB
Cache               32KB
BIOS                AMI/Phoenix
Dimensions          301mm x 350mm
I/O Options         32-bit external memory card slots (2)
NPU Options         80387/3167

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  Reset switch              J22       Speaker                  J26 pin 9

  CPU ready LED             J23       Power LED & keylock         J27

  Turbo LED                 J24       Speaker                     J28

  Ready                  J26 pin 2    Auxiliary keyboard          J31

  Keylock                J26 pin 3    Disk access LED             J32

  Turbo                  J26 pin 4    External battery            J34

  Disk                   J26 pin 6    32-bit external           S1 & S2
                                      memory cards

  Reset                  J26 pin 7

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Factory configured - do not alter        J17              N/A

  »   Monitor type select color                J25           pins 2 & 3
                                                              closed

      Monitor type select monochrome           J25           pins 1 & 2
                                                              closed

  »   CMOS memory normal operation             J36             Open

      CMOS memory clear                        J36            Closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

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

                      NPU CONFIGURATION

       Setting               J21                  J37

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed

       Enabled         pins 2 & 3 closed   pins 2 & 3 closed