UNIDENTIFIED

10MHz/8MHz SYSTEM BOARD

Processor         8088
Processor Speed   8/10MHz
Chip Set          Unidentified
Max. Onboard DRAM 640KB
Cache             None
BIOS              Unidentified
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       8087

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Reset switch                JP1      Speaker                     JP4

  Keylock                     JP2      Power LED                   JP7

  Turbo LED                   JP3

                        USER CONFIGURABLE SETTINGS

                Function                    Switch           Position

      NPU enabled                            SW1/2             Off

      NPU disabled                           SW1/2              On

                      DRAM CONFIGURATION

    Size       Bank 0       Bank 1       Bank 2       Bank 3

    256K      (9) 41256      NONE         NONE         NONE

    512K      (9) 41256    (9) 41256      NONE         NONE

    640K      (9) 41256    (9) 41256    (9) 4164     (9) 4164

  DRAM JUMPER CONFIGURATION

   Size     SW1/3     SW1/4

   None       On       On

  256KB      Off       Off

  512KB       On       Off

  640KB      Off       On

  CPU SPEED CONFIGURATION

    Speed         SW1/1

   4.77MHz         Off

     8MHz           On

    10MHz           On

                     MONITOR TYPE SELECTION

         Type                 SW1/5                 SW1/6

         None                  On                    On

    Color 40 x 20              Off                   On

    Color 80 x 25              On                    Off

  Monochrome or both           Off                   Off

                FLOPPY DRIVE CONFIGURATION

  Number of drives         SW1/7               SW1/8

         1                  On                  On

         2                  Off                 On

         3                  On                  Off

         4                  Off                 Off