TEKRAM TECHNOLOGY CO., LTD.
===========================

   DC-820

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 32-bit, EISA                           |
   |-------------------+----------------------------------------|
   | Size:             | Full-length, full-height card          |
   |-------------------+----------------------------------------|
   | Hard drive        | Up to seven SCSI devices               |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
   | supported:        | drives                                 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/S-T/20476-1.png>
   

   +------------------------------------------------------------+
   |                        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.             |
   +------------------------------------------------------------+