
UNIDENTIFIED

BIAT-12/BIAT-16/BIAT-20/BIAT-24

Processor         80286
Processor Speed   12/16/20/24MHz
Chip Set          C & T NEAT
Max. Onboard DRAM 4MB
Cache             None
BIOS              Phoenix
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Turbo switch                J2       Speaker                     J6

  Turbo LED                   J3       Power LED & keylock         J7

  Reset switch                J4       External battery            J26

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color                J5             Closed

      Monitor type select monochrome           J5              Open

     BIOS type select 27256                   J8            pins 1 & 2
                                                              closed

      BIOS type select 27128                   J8            pins 2 & 3
                                                              closed

     I/O bus select 0 wait states             JP1           pins 1 & 2
                                                              closed

      I/O bus select 1 wait state              JP1           pins 2 & 3
                                                              closed

     NPU mode select synchronous with         JP2           pins 1 & 2
      CPU                                                     closed

      NPU mode select synchronous with         JP2           pins 2 & 3
      oscillator at OSC1                                      closed

     Keyboard controller set on pin 23        JP3           pins 1 & 2
                                                              closed

      Keyboard controller set on pin 27        JP3           pins 3 & 4
                                                              closed

      Keyboard controller set on pin 30        JP3           pins 5 & 6
                                                              closed

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

     512KB       (18) 41256       NONE

     640KB       (18) 41259     (18) 4164

      1MB        (18) 41256    (18) 41256

      2MB        (18) 411000      NONE

      4MB        (18) 411000   (18) 411000

