AST RESEARCH, INC.

FASTboard/386 for the Premium/286

Models 202143-00x

Processor         80286/80386DX
Processor Speed   10MHz
Chip Set          AST
Max. Onboard DRAM 8MB
SRAM Cache        None
BIOS              AST
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387

[Image]

                        USER CONFIGURABLE SETTINGS

               Function                      Jumper           Position

  »   NPU disabled                             E1               open

      NPU enabled                              E1              closed

  »   Factory configured - do not              E2               open
      alter

  »   Parity check enabled                SW1/switch 4          open

      Parity check disabled               SW1/switch 4         closed

  Note:SW2 is used to toggle between the 80286 and the 80386 CPUs at
  power-on.

                            DRAM CONFIGURATION

  Size     SW1/switch 1   SW1/switch 2   SW1/switch 3   Bank 0    Bank 1

   1MB        open           open           open          (4)      NONE
                                                        256K x
                                                          9

   2MB       closed          open           open          (4)       (4)
                                                        256K x     256K x
                                                          9          9

   4MB        open          closed          open        (4) 1M     NONE
                                                         x 9

   5MB       closed          open          closed         (4)      (4) 1M
                                                        256K x      x 9
                                                          9

   8MB       closed         closed         closed       (4) 1M     (4) 1M
                                                         x 9        x 9

  Note: When using the FASTboard/386 in a Premium/286 with a FASTram
  Memory Board installed, SW1/switch 5 should be in the open position and
  SW1/switch 6 to SW1/switch 10 should be left in their default positions
  on the FASTram Memory Board.