UNIDENTIFIED

ACE 286V-16/20

Processor         80286 (exact location unknown)
Processor Speed   12/16MHz
Chip Set          VLSI
Max. Onboard DRAM 4MB
Cache             None
BIOS              AMI/Award/Phoenix
Dimensions        220mm x 220mm
I/O Options       None
NPU Options       80287 (exact location unknown)

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Turbo LED                   J3       Turbo switch                J9

  Reset switch                J4       Power LED & keylock         J10

  Speaker                     J5       External battery            J25

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

  »   Parity enabled                             J6          pins 1 & 2
                                                               closed

      Parity disabled                            J6          pins 2 & 3
                                                               closed

  »   REMAP enabled                             J16            Closed

      REMAP disabled                            J16             Open

  »   BIOS wait state select 2 wait             J20            Closed
      states

      BIOS wait state select 3 wait             J20             Open
      states

  »   RAM read wait state select 0 wait         J21            Closed
      states

      RAM read wait state select 1 wait         J21             Open
      states

  »   Internal battery enabled                  J26            Closed

      Internal battery disabled                 J26             Open

  »   BIOS type select 27256                    J27            Closed

      BIOS type select 27128                    J27             Open

  »   Monitor type select color                 J28            Closed

      Monitor type select monochrome            J28             Open

  »   RAM write wait state select 0 wait        J32            Closed
      states

      RAM write wait state select 1 wait        J32             Open
      states

  »   IOCHRRDY signal select normal             J33          pins 1 & 2
      operation                                                closed

      IOCHRRDY signal select if I/O card        J33          pins 2 & 3
      does not work with default setting                       closed

                            DRAM CONFIGURATION

     Size          Bank 0          Bank 1         Bank 2        Bank 3

     512KB        (4) 44256         NONE           NONE          NONE

     1.5MB        (4) 44256      (4) 44256      (2) 256K x       NONE
                                                    9

      2MB           NONE            NONE        (2) 1M x 9       NONE

      4MB           NONE            NONE        (2) 1M x 9    (2) 1M x 9

       DRAM JUMPER CONFIGURATION

   Size      J17       J18       J19

  512KB     Closed    Open     Closed

  1.5MB     Closed   Closed     Open

   2MB       Open     Open     Closed

   4MB       Open    Closed     Open