MULTI-TECH SYSTEMS, INC.

MT386SBC

Processor              80386SX
Processor Speed        25MHz
Chip Set               Headland
Max. Onboard DRAM      16MB
Cache                  None
BIOS                   Phoenix
Dimensions             315mm x 111mm
I/O Options            Floppy drive interface, IDE interface, parallel
                       port, serial ports (2), VGA port
NPU Options            80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Reset switch                CN1      Serial port 1               P3

  IDE interface LED           J11      Serial port 2               P4

  Turbo LED                   J12      Front panel connector       P5

  IDE interface               P1       VGA port                    P7

  Floppy drive interface      P2       Parallel port               P8

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

  »   Pipeline mode enabled                     J2            Closed

      Pipeline mode disabled                    J2             Open

  »   NPU asynchronous                          J3             Open

      NPU synchronous with CPU                  J3            Closed

  »   IDE interface enabled                     J4           pins 1 & 2
                                                              closed

      IDE interface disabled                    J4           pins 2 & 3
                                                              closed

  »   COM1 DCD hardware reset disabled          J6             Open

      COM1 DCD hardware reset enabled           J6            Closed

  »   Parallel port unidirectional (for         J7           pins 2 & 3
      printer)                                                closed

      Parallel port bidirectional               J7           pins 1 & 2
                                                              closed

  »   IRQ9 connected to AT bus                 J10           pins 2 & 3
                                                              closed

      IRQ9 connected to VGA port               J10           pins 1 & 2
                                                              closed

  »   Factory configured - do not alter.       J15              N/A

  »   Factory configured - do not alter.       J16              N/A

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (2) 256K x 9   (2) 256K x 9

      2MB         (2) 1M x 9         NONE

      4MB         (2) 1M x 9      (2) 1M x 9

      8MB         (2) 4M x 9         NONE

      16MB        (2) 4M x 9      (2) 4M x 9