LASER COMPUTER, INC.

LASER TURBO XT-2

Processor              8088
Processor Speed        Unidentified
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 1MB
Maximum Video Memory   None
Cache                  None
BIOS                   Unidentified
Dimensions             330mm x 218mm
I/O Options            None
NPU Options            8087

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Auxiliary power            CN1       Front panel connector       J12
  connector

  Speaker                    J11       Reset switch                JP3

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Parity check enabled                  JP5        Pins 1 & 2 closed

      Parity check disabled                 JP5        Pins 2 & 3 closed

  »   Factory configured - do not          SW1/1              Off
      alter

      NPU not installed                    SW1/2              On

      NPU installed                        SW1/2              Off

  »   Factory configured - do not          SW1/4         Unidentified
      alter

  »   Factory configured - do not          SW2/4         Unidentified
      alter

                         DRAM CONFIGURATION

     Size        Bank 0        Bank 1        Bank 2        Bank 3

  512KB (A)       None          None          None       (16) 41256

  512KB (B)       None       (16) 41256       None          None

  640KB (A)     (4) 4464        None          None       (16) 41256

   1MB (B)        None       (16) 41256    (16) 41256       None

  Note: A = conventional memory. B = expanded memory.

                   DRAM PARITY CONFIGURATION

    Size        U25/U41     U35/U40      U58/U59      U76/U77

  512KB (A)    (2) 41256      None         None         None

  512KB (B)      None         None      (2) 41256       None

  640KB (A)    (2) 41256    (2) 4164       None         None

   1MB (B)       None         None      (2) 41256    (2) 41256

  Note: A = conventional memory. B = expanded memory.

  DRAM SWITCH CONFIGURATION

     Size           SW1/3

     512KB           On

     640KB           Off

                  FLOPPY DRIVE SELECTION

  Drives installed         SW1/7               SW1/8

         1                  On                  On

         2                  Off                 On

         3                  On                  Off

         4                  Off                 Off

                   MONITOR SELECTION

       Type              SW1/5              SW1/6

        EGA                On                 On

  Color (40 x 25)         Off                 On

  Color (80 x 25)          On                Off

    Monochrome            Off                Off

                        I/O PORT ADDRESS SELECTION

        Address              SW2/1            SW2/2            SW2/3

          208                 Off              On                On

          218                 On               Off               On

          258                 Off              Off               On

          268                 On               On               Off

          2A8                 Off              On               Off

          2B8                 On               Off              Off

          2E8                 Off              Off              Off

    Expansion memory          On               On                On
       disabled