LASER COMPUTER, INC.

LASER 8088 MAIN BOARD (VER. 2)

Processor              8088
Processor Speed        10MHz
Chipset                Unidentified
Maximum Onboard Memory 1664KB DRAM
BIOS                   Unidentified
Dimensions             270 x 218mm
I/O Options            None
NPU Options            8087

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Speaker                    J11       Power LED & keylock         J12

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Parity enabled                          JP7           Pins 1 & 2
                                                              closed

      Parity disabled                         JP7           Pins 2 & 3
                                                              closed

  »   Factory configured - do not alter      SW1/1             Off

  »   NPU not installed                      SW1/2             Off

      NPU installed                          SW1/2              On

  »   Factory configured - do not alter      SW2/7             N/A

  »   Factory configured - do not alter      SW2/8             N/A

                            DRAM CONFIGURATION

   Size      Bank 0      Bank 1    Bank 2      P2      Bank 3       P3

   256KB       (9)        None      None      None      None       None
              41256

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

   576KB       (9)         (9)       (2)       (1)      None       None
              41256      41256      4464      4164

   640KB       (9)         (9)       (2)       (1)       (2)     (1) 4164
              41256      41256      4464      4164      4464

   896KB       (9)         (9)       (2)       (1)       (2)     (1) 4164
              41256      41256      4464      4164      4464

  1152KB       (9)         (9)       (2)       (1)       (2)     (1) 4164
              41256      41256      4464      4164      4464

  1408KB       (9)         (9)       (2)       (1)       (2)     (1) 4164
              41256      41256      4464      4164      4464

  1664KB       (9)         (9)       (2)       (1)       (2)     (1) 4164
              41256      41256      4464      4164      4464

                    DRAM CONFIGURATION

    Size      Bank 4      Bank 5      Bank 6      Bank 7

   256KB       None        None        None        None

   512KB       None        None        None        None

   576KB       None        None        None        None

   640KB       None        None        None        None

   896KB     (9) 4164      None        None        None

   1152KB    (9) 4164    (9) 4164      None        None

   1408KB    (9) 4164    (9) 4164    (9) 4164      None

   1664KB    (9) 4164    (9) 4164    (9) 4164    (9) 4164

     DRAM CONFIGURATION

   Size     SW1/3    SW1/4

  256KB      On        On

  512KB      Off       On

  576KB      On       Off

  640KB      Off      Off

  896KB      Off      Off

  1152KB     Off      Off

  1408KB     Off      Off

  1664KB     Off      Off

     EXPANDED MEMORY BANK 4 AND 5 ADDRESS

  Setting      SW2/1       SW2/2      SW2/3

    208h        Off         On          On

    218h        On          Off         On

    258h        Off         Off         On

    268h        On          On         Off

    2A8h        Off         On         Off

    2B8h        On          Off        Off

    2E8h        Off         Off        Off

  Disabled      On          On          On

     EXPANDED MEMORY BANK 6 AND 7 ADDRESS

  Setting      SW2/4       SW2/5      SW2/6

    208h        Off         On          On

    218h        On          Off         On

    258h        Off         Off         On

    268h        On          On         Off

    2A8h        Off         On         Off

    2B8h        On          Off        Off

    2E8h        Off         Off        Off

  Disabled      On          On          On

                  FLOPPY DRIVE CONFIGURATION

       Setting              SW1/7                SW1/8

  1 drive attached            On                   On

  2 drives attached          Off                   On

  3 drives attached           On                  Off

  4 drives attached          Off                  Off

                    MONITOR TYPE SELECTION

       Setting              SW1/5                SW1/6

     Monochrome              Off                  Off

    CGA, 40 x 25             Off                   On

    CGA, 80 x 25              On                  Off

  EGA or no monitor           On                   On