ULTRASTOR CORPORATION
=====================

   ULTRA 34FA REV.A

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 32-bit, VL-bus                         |
   |-------------------+----------------------------------------|
   | 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/U-Z/20589-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 50-pin SCSI connector - internal              |     J1     |
   |-----------------------------------------------+------------|
   | 50-pin SCSI connector - external              |     J2     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |     J3     |
   |-----------------------------------------------+------------|
   | 4-pin connector - drive active LED            |    JP4     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Ultra 34FA supplies terminator |   JP1    | pins 1 & 2 |
   |   | power                          |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Bus supplies terminator power  |   JP1    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | 16 DWORD Burst Transfer Length |   JP2    | pins 1 & 2 |
   |   | enabled                        |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | 8 DWORD Burst Transfer Length  |   JP2    | pins 2 & 3 |
   |   | enabled                        |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Factory configured - do not    |   JP3    | pins 1 & 2 |
   |   | alter                          |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Floppy controller enabled      |   S1/1   |     on     |
   |---+--------------------------------+----------+------------|
   |   | Floppy controller disabled     |   S1/1   |    off     |
   |---+--------------------------------+----------+------------|
   |>> | I/O and BIOS addresses set by  |   S1/8   |     on     |
   |   | software                       |          |            |
   |---+--------------------------------+----------+------------|
   |   | I/O and BIOS addresses set by  |   S1/8   |    off     |
   |   | S1/2-S1/7                      |          |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |    Address    | S1/Switch 2  | S1/Switch 3  | S1/Switch 4  |
   |---------------+--------------+--------------+--------------|
   |>> | Disabled  |      on      |      on      |      on      |
   |---+-----------+--------------+--------------+--------------|
   |   |  C4000h   |      on      |      on      |     off      |
   |---+-----------+--------------+--------------+--------------|
   |   |  C8000h   |      on      |     off      |      on      |
   |---+-----------+--------------+--------------+--------------|
   |   |  CC000h   |      on      |     off      |     off      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |  Address   |  S1/Switch 2  |  S1/Switch 3  |  S1/Switch 4  |
   |------------+---------------+---------------+---------------|
   |   D0000h   |      off      |      on       |      on       |
   |------------+---------------+---------------+---------------|
   |   D4000h   |      off      |      on       |      off      |
   |------------+---------------+---------------+---------------|
   |   D8000h   |      off      |      off      |      on       |
   |------------+---------------+---------------+---------------|
   |   DC000h   |      off      |      off      |      off      |
   |------------------------------------------------------------|
   | Note:S1/switch 8 must be set to the off position to enable |
   | switch controlled BIOS address settings.                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        I/O ADDRESS                         |
   |------------------------------------------------------------|
   |   Address   |  S1/Switch 5  |  S1/Switch 6  | S1/Switch 7  |
   |-------------+---------------+---------------+--------------|
   |>>  |  330h  |      on       |      on       |      on      |
   |----+--------+---------------+---------------+--------------|
   |    |  130h  |      off      |      off      |      on      |
   |----+--------+---------------+---------------+--------------|
   |    |  140h  |      off      |      off      |     off      |
   |----+--------+---------------+---------------+--------------|
   |    |  210h  |      off      |      on       |     off      |
   |----+--------+---------------+---------------+--------------|
   |    |  230h  |      on       |      off      |     off      |
   |----+--------+---------------+---------------+--------------|
   |    |  240h  |      off      |      on       |      on      |
   |----+--------+---------------+---------------+--------------|
   |    |  310h  |      on       |      off      |      on      |
   |----+--------+---------------+---------------+--------------|
   |    |  340h  |      on       |      on       |     off      |
   |------------------------------------------------------------|
   | Note:S1/switch 8 must be set to the off position to enable |
   | switch controlled I/O address settings.                    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        I/O ADDRESS                         |
   |------------------------------------------------------------|
   |     Address      |   JP20/Jumper A    |   JP20/Jumper B    |
   |------------------+--------------------+--------------------|
   |>> |     240h     |       closed       |        open        |
   |---+--------------+--------------------+--------------------|
   |   |     140h     |        open        |        open        |
   |---+--------------+--------------------+--------------------|
   |   |     220h     |        open        |       closed       |
   |---+--------------+--------------------+--------------------|
   |   |     340h     |       closed       |       closed       |
   +------------------------------------------------------------+