ABIT COMPUTER CORPORATION

FS333/FS340

Processor         80386DX
Processor Speed   33/40MHz
Chip Set          C & T
Max. Onboard DRAM 32MB
Cache             32/64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose               Location     Purpose                   Location

  External battery        JP5        Speaker                     JP11

  Reset switch            JP6        Keylock/Front panel         JP13
                                     Power LED

  Turbo switch            JP7        Power LED                   JP15

  Turbo LED               JP10

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

  »   CMOS memory normal operation             JP1           pins 1 & 2
                                                              closed

      CMOS memory clear                        JP1           pins 2 & 3
                                                              closed

  »   NPU mode select synchronous with         JP2             Open
      CPU

      NPU mode select asynchronous with        JP2            Closed
      CPU

  »   Factory configured - do not alter        JP4             Open

  »   Power good signal detect from            JP14          pins 2 & 3
      power supply                                            closed

      Power good signal detect from            JP14          pins 1 & 2
      board                                                   closed

  »   Monitor type select monochrome           JP20            Open

      Monitor type select color                JP20           Closed

  »   BIOS normal operation                    JP21            Open

      BIOS diagnostic test enabled             JP21           Closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

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

      4MB         (4) 1M x 9         NONE

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

      16MB        (4) 4M x 9         NONE

      32MB        (4) 4M x 9      (4) 4M x 9

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1       TAG (U22)      TAG (U24)

     32KB        (4) 8K x 8        NONE       (1) 8K x 8        NONE

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 16K x 4    (1) 16K x 4

     128KB      (4) 32K x 8        NONE       (1) 32K x 8       NONE

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 64K x 4    (1) 64K x 4

         CACHE JUMPER CONFIGURATION

         Size                 JPX1

         32KB           pins 1 - 8 closed

         64KB          pins 3 - 10 closed

        128KB          pins 5 - 12 closed

        256KB          pins 9 - 16 closed