
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

