TEKRAM TECHNOLOGY COMPANY, LTD.

DC - 880B

                                   Q3/95

  Data bus:                  32-bit VL-Bus

  Size:                      Full-length, half-height card

  Hard drive supported:      Up to seven SCSI drives

  Floppy drives supported:   Two 360KB, 720KB, 1.2MB, or 1.44MB, or
                             2.88MB drives

[Image]

                        CONNECTIONS

                Function                      Location

  50-pin SCSI connector - external              CN1

  50-pin SCSI connector - internal              CN2

  34-pin cable connector - floppy drive         CN3

  2-pin connector - drive active LED            JP1

  4-pin connector - speaker                     JP2

                        USER CONFIGURABLE SETTINGS

             Function                    Location            Setting

  »   Floppy drive enabled             JP3/jumper 1           closed

  »   Floppy drive disabled            JP3/jumper 1            open

  »   Factory configured - do not      JP3/jumper 5            open
      alter

                             BASE I/O ADDRESS

     Address         JP3/jumper 2      JP3/jumper 3        JP3/jumper 4

  »      330h           closed            closed              closed

  »      130h            open              open               closed

  »      134h            open              open                open

  »      230h            open             closed              closed

  »      234h            open             closed               open

  »      334h           closed             open               closed

                        CACHE MEMORY CONFIGURATION

          Size                    Bank 0                   Bank 1

          512KB                (2) 256K x 9                 NONE

           1MB                 (2) 256K x 9             (2) 256K x 9

           2MB                  (2) 1M x 9                  NONE

          2.5MB                (2) 1MB x 9              (2) 256K x 9

           4MB                 (2) 1MB x 9              (2) 1MB x 9

           8MB                 (2) 4MB x 9                  NONE

          8.5MB                (2) 4MB x 9              (2) 256K x 9

          10MB                 (2) 4MB x 9              (2) 1MB x 9

          16MB                 (2) 4MB x 9              (2) 4MB x 9

  Note: Bank 0 must be installed while SIMM’s can be mixed in any
  combination not exceeding 16MB.