UNIDENTIFIED

DIGIS-286S AT TURBO

Processor         80286
Processor Speed   6/8/10MHz
Chip Set          Unidentified
Max. Onboard DRAM 1MB
Cache             None
BIOS              Unidentified
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       Serial port                 J11

  Turbo LED                   J5       External battery            J12

  Power LED & keylock         J8       Reset switch                J14

  Note: Either J8 may be used.

                        USER CONFIGURABLE SETTINGS

                Function                     Switch          Position

  »   ROM chip installed                       J2           pins 2 & 3
                                                              closed

      EPROM chip installed                     J2           pins 1 & 2
                                                              closed

  »   BIOS type select 27128                   J3           pins 2 & 3
                                                              closed

      BIOS type select 27256                   J3           pins 1 & 2
                                                              closed

  »   Turbo disabled                           J4           pins 2 & 3
                                                              closed

      Turbo enabled                            J4           pins 1 & 2
                                                              closed

  »   Wait state select 0 wait states          J6             Closed

      Wait state select 1 wait state           J6              Open

  »   Power supply type select AT             J13           pins 2 & 3
      power                                                   closed

      Power supply type select XlT            J13           pins 1 & 2
      power                                                   closed

  »   Serial port enabled                     J15           pins 1 & 2
                                                              closed

      Serial port disabled                    J15           pins 2 & 3
                                                              closed

  »   Monitor type select color               SW1           pins 2 & 3
                                                              closed

      Monitor type select monochrome          SW1           pins 1 & 2
                                                              closed

           DRAM CONFIGURATION

     Size        Bank 0        Bank 1

    256KB       (18) 4164    (18) 4164

    512KB       (18) 41256      NONE

    640KB       (18) 41256   (18) 4164

     1MB        (18) 41256   (18) 41256

               DRAM JUMPER CONFIGURATION

            Size                        J9

           256KB             pins 2 & 3, 5 & 6 closed

           512KB             pins 2 & 3, 4 & 5 closed

           640KB             pins 1 & 2, 5 & 6 closed

            1MB              pins 1 & 2, 4 & 5 closed