
UNITRON COMPUTER, INC.

MINI-386SX/AT

Processor         80386SX
Processor Speed   25MHz
Chip Set          Headland
Max. Onboard DRAM 8MB
Cache             None
BIOS              Phoenix
Dimensions        220mm x 220mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J2       Turbo LED                   J24

  Turbo switch                J19      Speaker                     J25

  Reset switch                J23      Power LED & keylock         J26

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select monochrome           J4              Open

      Monitor type select color                J4             Closed

                            DRAM CONFIGURATION

    Size       Interleave      Bank 0     Bank 1      Bank 2     Bank 3

   512KB           0          (2) 256K     NONE        NONE       NONE
                                x 9

    1MB            2          (2) 256K    (2) 256K     NONE       NONE
                                x 9         x 9

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

    2MB            0          (2) 1M x     NONE        NONE       NONE
                                 9

    3MB            0          (2) 256K    (2) 256K   (2) 1M x     NONE
                                x 9         x 9         9

    4MB            2          (2) 1M x    (2) 1M x     NONE       NONE
                                 9           9

    5MB            2          (2) 256K    (2) 256K   (2) 1M x    (2) 1M x
                                x 9         x 9         9           9

    6MB            0          (2) 1M x    (2) 1M x   (2) 1M x     NONE
                                 9           9          9

    8MB            4          (2) 1M x    (2) 1M x   (2) 1M x    (2) 1M x
                                 9           9          9           9

                      NPU CONFIGURATION

        Size                 J20                  J21

     Synchronous       pins 1 & 2 closed   pins 2 & 3 closed

    Asynchronous             Open                Closed

