
AUSTIN COMPUTER SYSTEMS

486/DLC-33 BCM

Processor         80386DX/CX486DLC
Processor Speed   33MHz
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            JP3       Reset switch               JP7

  Power LED & keylock         JP5       Turbo LED                  JP8

  Speaker                     JP6       Turbo switch               JP9

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not alter        J3              Open

     Factory configured - do not alter        J5              Open

     Factory configured - do not alter        J6              Open

     Factory configured - do not alter        J12           pins 1 & 2
                                                              closed

     Monitor type select color                JP1           pins 1 & 2
                                                              closed

      Monitor type select monochrome           JP1           pins 2 & 3
                                                              closed

     Internal battery enabled                 JP2            Closed

      Internal battery disabled                JP2             Open

     CMOS memory normal operation             JP4           pins 1 & 2
                                                              closed

      CMOS memory clear                        JP4           pins 2 & 3
                                                              closed

     Factory configured - do not alter       JP10              N/A

              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

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

        DRAM JUMPER CONFIGURATION

        Size                 JP11

         1MB          pins 2 & 3 closed

         2MB          pins 1 & 2 closed

         4MB          pins 2 & 3 closed

         5MB          pins 2 & 3 closed

         8MB          pins 1 & 2 closed

        16MB          pins 2 & 3 closed

        32MB          pins 1 & 2 closed

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1       TAG (U35)      TAG (U37)

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

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

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

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

                 CACHE JUMPER CONFIGURATION

   Size       SR1       SR2       SR3       SR4       SR5

   32KB      1 & 2     1 & 2     1 & 2     1 & 2     1 & 2

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

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

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

  Note: Pins designated should be in the closed position.

              CACHE JUMPER CONFIGURATION (CONT)

  Size      SR6     SR7      SR8      SR9      SR10    SR11

  32KB     1 & 2   1 & 2    1 & 2    1 & 2    1 & 2    1 & 2

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

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

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

  Note: Pins designated should be in the closed position.

