SEAGATE TECHNOLOGY, INC.
========================

   ST01-A, ST01-B, ST01-E50

   +------------------------------------------------------------+
   +------------------------------------------------------------+

   Data bus: 8-bit, ISA

   Size: Half-length, full-height card

   Hard drives supported:  Up to seven SCSI devices

   Floppy drives supported: None

<gopher://bitreich.org/I/th99/c/S-T/20190-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                    Function                    | Location  |
   |------------------------------------------------+-----------|
   | 50-pin SCSI connector-external (ST01-E50 only) |    CN1    |
   |------------------------------------------------+-----------|
   | 50-pin SCSI connector-internal                 |    J2     |
   |------------------------------------------------+-----------|
   | 5-pin connector-DC power                       |    J3     |
   |------------------------------------------------+-----------|
   | 4-pin connector-drive active LED               |    J5     |
   +------------------------------------------------------------+

   SEAGATE TECHNOLOGY, INC.

   ST01-A, ST01-B, ST01-E50

                               . . . continued from previous page

   +------------------------------------------------------------+
   |                 USER CONFIGURABLESETTINGS                  |
   |------------------------------------------------------------|
   |             Function             | Location |   Setting    |
   |----------------------------------+----------+--------------|
   |>> | Zero wait state disabled     |    W2    |     open     |
   |---+------------------------------+----------+--------------|
   |   | Zero wait state enabled      |    W2    |    closed    |
   |---+------------------------------+----------+--------------|
   |>> | Hard Drive Interrupt is IRQ5 |    W3    |  pins 2 & 3  |
   |   |                              |          |    closed    |
   |---+------------------------------+----------+--------------|
   |   | Hard Drive Interrupt is IRQ3 |    W3    |  pins 1 & 2  |
   |   |                              |          |    closed    |
   |---+------------------------------+----------+--------------|
   |   | Interrupts disabled          |    W3    |     open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      8K BIOS ADDRESS                       |
   |------------------------------------------------------------|
   |     Address      |   W1 pins 1 & 2    |   W1 pins 3 & 4    |
   |------------------+--------------------+--------------------|
   |>> |    CA000h    |        open        |        open        |
   |---+--------------+--------------------+--------------------|
   |   |    C8000h    |       closed       |        open        |
   |---+--------------+--------------------+--------------------|
   |   |    CE000h    |        open        |       closed       |
   |---+--------------+--------------------+--------------------|
   |   |    DE000h    |       closed       |       closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      16K BIOS ADDRESS                      |
   |------------------------------------------------------------|
   |      Address       |   W1 pins 1 & 2   |   W1 pins 3 & 4   |
   |--------------------+-------------------+-------------------|
   |>> |     C800h      |       open        |       open        |
   |---+----------------+-------------------+-------------------|
   |   |   Not valid    |      closed       |       open        |
   |---+----------------+-------------------+-------------------|
   |   |     CC00h      |       open        |      closed       |
   |---+----------------+-------------------+-------------------|
   |   |     DC00h      |      closed       |      closed       |
   +------------------------------------------------------------+