
AUSTIN COMPUTER SYSTEMS

386 33VL

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

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Speaker                     JP1       Turbo switch              JP10

  Reset switch                JP2       Turbo LED                 JP11

  Power LED & keylock         JP5

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color                JP6            Closed

      Monitor type select monochrome           JP6             Open

     SRAM cache select 1 wait state          JP33           pins 2 & 3
                                                              closed

      SRAM cache select 0 wait state          JP33           pins 1 & 2
                                                              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

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

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

      16MB        (4) 4M x 9         NONE

      17MB        (4) 256K x 9    (4) 4M x 9

      20MB        (4) 1M x 9      (4) 4M x 9

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

                            CACHE CONFIGURATION

       Size              Bank 0            Bank 1        TAG (U49 & U50)

       64KB            (4) 8K x 8        (4) 8K x 8        (2) 16K x 4

       128KB          (4) 32K x 8           NONE           (2) 64K x 4

       256KB          (4) 32K x 8        (4) 32K x 8       (2) 64K x 4

                        CACHE JUMPER CONFIGURATION

  Size     JP21    JP22    JP23    JP29    JP30    JP34    JP37     JP38

  64KB     2 & 3   1 & 2   1 & 2   1 & 2   1 & 2   1 & 2   2 & 3   1 & 2

  128KB    2 & 3   2 & 3   1 & 2   Open    2 & 3   2 & 3   1 & 2   1 & 2

  256KB    2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   1 & 2   2 & 3

  Note: Pins designated should be in the closed position.

