TEKRAM TECHNOLOGY COMPANY, LTD.

DC-300B, DC-800B

  Data bus:                  16-bit ISA

  Size:                      Half-length, full-height card

  Hard drive supported:      Up to seven SCSI devices

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

[Image]

                        CONNECTIONS

                Function                      Location

  50-pin SCSI-2 connector - external            CN1

  50-pin SCSI connector - internal              CN2

  34-pin cable connector - floppy drive         CN3

  4-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

                             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 DRAM CONFIGURATION (FOR DC-800B ONLY)

          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. SIMM’s must be the same size in
       the same bank and can be mixed in any combination not exceeding
       16MB.

                       MISCELLANEOUS TECHNICAL NOTES

      The only difference between DC-300B & DC-800B is the Cache DRAM
                          capability in DC-800B.

     Remove terminators only when both internal & external devices are
                        connected to this adapter.