
LASER COMPUTER, INC.

LASER 386M

Processor         80386SX
Processor Speed   25/33MHz
Chip Set          Unidentified
Max. Onboard DRAM 12MB
Cache             Unidentified
BIOS              Unidentified
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J22      Turbo switch                J26

  Reset switch                J24      Speaker                     J28

  Power LED & keylock         J25      External memory card        S1

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch        Position

     EPROM chip type select 27128           J13             pins 2 & 3
      or 2764                                                 closed

      EPROM chip type select 27256           J13             pins 1 & 2
                                                              closed

     SYSCLK enabled                         J30             pins 2 & 3
                                                              closed

      SYSCLK disabled                        J30             pins 1 & 2
                                                              closed

     Battery type select internal           J31             pins 1 & 2
                                                              closed

      Battery type select external           J31             pins 2 & 3
                                                              closed

     EGA BIOS access select on             SW2/1               On
      board

      EGA BIOS access select                SW2/1               Off
      adapter card

     Memory type select 513KB to           SW2/2               On
      640KB expansion bus enabled

      Memory type select expansion          SW2/2               Off
      bus disabled

     NPU disabled                          SW2/3               On

      NPU enabled                           SW2/3               Off

     Clock frequency speed select          SW2/4               Off
      25/33Mhz

      Clock frequency speed select          SW2/4               On
      8Mhz

     Monitor type select                   SW2/5               Off
      monochrome

      Monitor type select color             SW2/5               On

                     CACHE CONFIGURATION

            Setting                          J27

            Enabled                   pins 2 & 3 closed

           Disabled                   pins 1 & 2 closed

  Note: The size and location of the cache is unidentified.

[Image]

                      DRAM CONFIGURATION

      Size          Bank 0          Bank 1          Bank 2

      1MB        (4) 256K x 9        NONE            NONE

      2MB        (4) 256K x 9    (4) 256K x 9        NONE

      3MB        (4) 256K x 9    (4) 256K x 9    (4) 256K x 9

      4MB         (4) 1M x 9         NONE            NONE

      5MB        (4) 256K x 9     (4) 1M x 9         NONE

      6MB        (4) 256K x 9    (4) 256K x 9     (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9         NONE

      9MB        (4) 256K x 9     (4) 1M x 9      (4) 1M x 9

      12MB        (4) 1M x 9      (4) 1M x 9      (4) 1M x 9

         DRAM SWITCH CONFIGURATION

  Size     SW1/1   SW1/2    SW1/3    SW1/4

   1MB      On      Off       On       On

   2MB      Off      On       On       On

   3MB      Off     Off       On       On

   4MB      On      Off       On      Off

   5MB      Off      On      Off       On

   6MB      Off     Off      Off      Off

   8MB      Off      On       On      Off

   9MB      Off     Off      Off       On

  12MB      Off     Off       On      Off

  MEMORY RELOCATION CONFIGURATION

     Setting            SW2/5

     Enabled              On

     Disabled            Off

                 TECHNICAL NOTE

  Note: The location of pin 1 is unidentified.

