MONOLITHIC SYSTEMS, INC. (COLORADO MSI)

MICROFRAME 386CX


Processor              80386DX
Processor Speed        20/25MHz
Chip Set               C & T
Max. Onboard DRAM      8MB
Cache                  32KB
BIOS                   AMI/Phoenix
Dimensions             349.2mm x 330.2mm
I/O Options            32-bit external memory cards (4), serial ports (2),
                       parallel port
NPU Options            80387/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           J1        Auxiliary keyboard          J8

  Disk access LED            J2        Serial port 2              J10

  No charge (key)         J6 pin 1     Parallel port              J11

  Ready                   J6 pin 2     Serial port 1              J12

  Keylock                 J6 pin 3     Reset switch               J13

  Turbo                   J6 pin 4     CPU ready LED              J14

  No charge               J6 pin 5     Turbo LED                  J15

  Disk access             J6 pin 6     Speaker                    J34

  Reset                   J6 pin 7     32-bit external             S1
                                       memory card

  Ground                  J6 pin 8     32-bit external             S2
                                       memory card

  Speaker                 J6 pin 9     32-bit external             S3
                                       memory card

  +5VDC                   J6 pin 10    32-bit external             S4
                                       memory card

  Power LED & keylock        J7

  Note:J2 is used only when a disk access signal is connected to J6 pin
  6.

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select color                J16           pins 2 & 3
                                                              closed

      Monitor type select monochrome           J16           pins 1 & 2
                                                              closed

  »   Factory configured - do not alter        J17              N/A

              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               J22                  J23

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed

       Enabled         pins 2 & 3 closed   pins 2 & 3 closed