UNIDENTIFIED

VL286-AT

Processor         80286
Processor Speed   12MHz
Chip Set          Unidentified
Max. Onboard DRAM 4MB
Cache             None
BIOS              AMI/Award/Phoenix
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Speaker                     J17       Turbo switch              JP13

  External battery            J18       Reset switch              JP14

  Power LED & keylock         J19

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Location

  »   BIOS type select 27128                   JP1             Open

      BIOS type select 27256                   JP1            Closed

  »   Monitor type select color                JP2             Open

      Monitor type select monochrome           JP2            Closed

  »   ROM wait state select 1                  JP7             Open

      ROM wait state select 2                  JP7            Closed

  »   DRAM wait states select 0                JP8            Closed

      DRAM wait state select 1                 JP8             Open

  »   Fast mode enabled                        JP9            Closed

      Fast mode disabled                       JP9             Open

  »   CPU speed select switchable 6 or        JP15             Open
      12MHz

      CPU speed select switchable 8 or        JP15            Closed
      12MHz

  »   Battery type select internal             J22            Closed

      Battery type select external             J22             Open

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

     512KB       (18) 41256       NONE

     640KB       (18) 41256     (18) 4164

      1MB        (18) 41256    (18) 41256

      2MB        (18) 411000      NONE

      4MB        (18) 411000   (18) 411000

       DRAM JUMPER CONFIGURATION

   Size      JP10     JP11      JP12

  512KB     Closed   Closed    Closed

  640KB     Closed    Open     Closed

   1MB       Open    Closed    Closed

   2MB       Open     Open     Closed

   4MB      Closed   Closed     Open