
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

