LASER COMPUTER, INC.

LASER 286X (VER. A)

Processor              80286
Processor Speed        Unidentified
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 1MB
Maximum Video Memory   None
Cache                  None
BIOS                   IBM/Phoenix
Dimensions             330mm x 218mm
I/O Options            None
NPU Options            80287

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Speaker                     J1       Power LED & keylock         J8

  Turbo switch                J4       External battery            J12

  Turbo LED                   J5       Reset switch                J14

                        USER CONFIGURABLE SETTINGS

                Function                      Label          Position

  »   BIOS enable select active low            J2           Pins 1 & 2
      enable                                                  closed

      BIOS enable select active high           J2           Pins 2 & 3
      enable                                                  closed

      BIOS type select 27256                   J3           Pins 1 & 2
                                                              closed

      BIOS type select 27128                   J3           Pins 2 & 3
                                                              closed

      Turbo disabled                           J4           Pins 1 & 2
                                                              closed

      Turbo enabled                            J4           Pins 2 & 3
                                                              closed

      Wait state select 0 wait states          J6             Closed

      Wait state select 1 wait state           J6              Open

      BIOS type select IBM/Phoenix             J13          Pins 2 & 3
                                                              closed

      BIOS type select all other BIOS          J13          Pins 1 & 2
      types                                                   closed

      Monitor type select color                SW1          Pins 1 & 2
                                                              closed

      Monitor type select monochrome           SW1          Pins 2 & 3
                                                              closed

                      DRAM CONFIGURATION

    Size       Bank 0       Bank 1       Bank 2       Bank 3

   256KB      (9) 41256      None         None         None

   512KB      (9) 41256    (9) 41256      None         None

   640KB      (9) 41256    (9) 41256    (9) 4164     (9) 4164

    1MB       (9) 41256    (9) 41256   (9) 41256    (9) 41256

                  DRAM JUMPER CONFIGURATION

        Size                  J9                  J10

        256KB          Pins 2 & 3 closed   Pins 2 & 3 closed

        512KB          Pins 2 & 3 closed   Pins 1 & 2 closed

        640KB          Pins 1 & 2 closed   Pins 2 & 3 closed

         1MB           Pins 1 & 2 closed   Pins 1 & 2 closed