AST RESEARCH, INC.

Bravo/286 (202286-002, 202354-001)

Processor              80286
Processor Speed        8MHz
Chip Set               AST
Max. Onboard DRAM      4MB
SRAM Cache             None
BIOS                   AST
Dimensions             286mm x 190mm
I/O Options            Floppy drive interface, IDE interface, parallel
                       port, serial port
NPU Options            80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Parallel port               CN1      Power LED                   J10

  Serial port 1 (COM1)        CN2      IDE interface LED           J11

  IDE interface               J8       Riser card                  S1

  Floppy drive interface      J9       Reset switch                SW1

  Note:Connector J11 is only present on part number 202354-001.

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Factory configured - do not alter        E1              open

  »   Factory configured - do not alter        E2              open

  »   Monitor type select color                SW2           pins 1 & 2
                                                              closed

      Monitor type select monochrome           SW2           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter        SW3           pins 1 & 2
                                                              closed

  Note:On some board revisions SW2 is a two position switch with the
  settings

  marked "Color" and "Mono". SW2 is shown here as a three pin jumper with
  unverified settings.

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

     512KB        (2) 256K x 9       NONE

     640KB        (2) 256K x 9   (2) 64K x 9

      1MB         (2) 256K x 9   (2) 256K x 9

      2MB         (2) 1M x 9         NONE

      4MB         (2) 1M x 9      (2) 1M x 9