
TEKRAM TECHNOLOGY CO., LTD.

DC-820

  Data bus:                  32-bit, EISA

  Size:                      Full-length, full-height card

  Hard drive supported:      Up to seven SCSI devices

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

[Image]

                              CONNECTIONS

                    Function                           Location

  50-pin SCSI connector - external                        CN1

  50-pin SCSI connector - internal                        CN2

  34-pin control cable connector - floppy drive           CN3

  4-pin connector - drive active LED                      JP1

  4-pin connector - cache error speaker                   JP2

                        USER CONFIGURABLE SETTINGS

              Function                    Location            Setting

     Floppy drive enabled                   JP3              closed

      Floppy drive disabled                  JP3               open

  DRIVE ACTIVE LED ERROR CODES (IMMEDIATELY AFTER POWER-UP)

            Status                        Function

        One short flash               DC-820 CPU error

       Two short flashes               SCSI chip error

      Three short flashes        BMIC (EISA bus) chip error

      Four short flashes                 SRAM error

      Five short flashes            EPROM checksum error

                       MISCELLANEOUS TECHNICAL NOTES

  All four sockets of Bank 0 must be filled with SIMMs of the same size -
                            256KB, 1MB, or 4MB.

