
TANDON CORPORATION

TOWER486

Processor          80486SX
Processor Speed    25/33MHz
Chip Set           Unidentified
Max. Onboard DRAM  64MB (4MB or 8MB installed on board)
Cache              None
BIOS               Unidentified
Dimensions         355mm x 305mm
I/O Options        External memory card, floppy drive interface, IDE
                   interface
NPU Options        4167

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  IDE interface                CN1      External battery           J8

  Floppy drive interface       CN2      External memory card       SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Switch          Position

     256KB - 512KB memory override          SW1/1             Off
      disabled

      256KB - 512KB memory override          SW1/1              On
      enabled

     512KB - 640KB memory override          SW1/2             Off
      disabled

      512KB - 640KB memory override          SW1/2              On
      enabled

     Security enabled                       SW1/3             Off

      Security disabled                      SW1/3              On

     Factory configured - do not            SW1/4             Off
      alter

                    DRAM CONFIGURATION (EXTERNAL CARD)

          Size                   Bank 0                    Bank 1

          2MB                 (8) 256K x 9                  NONE

          4MB                 (8) 256K x 9              (8) 256K x 9

          8MB                  (8) 1M x 9                   NONE

          10MB                 (8) 1M x 9               (8) 256K x 9

          16MB                 (8) 1M x 9                (8) 1M x 9

          32MB                 (8) 4M x 9                   NONE

          34MB                 (8) 4M x 9               (8) 256K x 9

          40MB                 (8) 4M x 9                (8) 1M x 9

          64MB                 (8) 4M x 9                (8) 4M x 9

            Note: Board is factory installed with either 4MB or 8MB. The
            location of the memory is unidentified. If memory card is
            installed, the on board memory is disabled.

