PROMISE TECHNOLOGY, INC.
========================

   DRIVECACHE DC2040

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

   Data bus: 16-bit, ISA

   Size: Full-length, full-height card

   Hard drives supported: Seven SCSI hard drives

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

   One floppy tape drive

<gopher://bitreich.org/I/th99/c/P-R/20171-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                    Function                     | Location |
   |-------------------------------------------------+----------|
   | DB-25 SCSI control cable connector-external     |   CN1    |
   |-------------------------------------------------+----------|
   | 34-pin control cable connector-floppy drive     |    J1    |
   |-------------------------------------------------+----------|
   | 34-pin control cable connector-floppy tape      |    J2    |
   | drive                                           |          |
   |-------------------------------------------------+----------|
   | 50-pin SCSI control cable connector-internal    |    J3    |
   |-------------------------------------------------+----------|
   | 4-pin connector-drive active LED                |   JP1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function              |   Location   | Setting |
   |-----------------------------------+--------------+---------|
   |>> | Factory configured - do not   | JP2/jumper 1 |  open   |
   |   | alter                         |              |         |
   |---+-------------------------------+--------------+---------|
   |>> | Floppy and tape drive enabled |     JP5      | closed  |
   |---+-------------------------------+--------------+---------|
   |   | Floppy and tape drive         |     JP5      |  open   |
   |   | disabled                      |              |         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     INTERRUPT REQUEST                      |
   |------------------------------------------------------------|
   |    IRQ     |  JP2/2  |  JP2/3  |  JP3/1  | JP3/2  | JP3/3  |
   |------------+---------+---------+---------+--------+--------|
   |   | IRQ12  | closed  |  open   | closed  |  open  |  open  |
   |---+--------+---------+---------+---------+--------+--------|
   |>> | IRQ14  |  open   |  open   |  open   | closed |  open  |
   |---+--------+---------+---------+---------+--------+--------|
   |   | IRQ15  |  open   | closed  |  open   |  open  | closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        SCSI ADDRESS                        |
   |------------------------------------------------------------|
   |  Address   | JP2/jumper 4  | JP2/jumper 5  | JP2/jumper 6  |
   |------------+---------------+---------------+---------------|
   |    |   0   |     open      |     open      |     open      |
   |----+-------+---------------+---------------+---------------|
   |    |   1   |    closed     |     open      |     open      |
   |----+-------+---------------+---------------+---------------|
   |    |   2   |     open      |    closed     |     open      |
   |----+-------+---------------+---------------+---------------|
   |    |   3   |    closed     |    closed     |     open      |
   |----+-------+---------------+---------------+---------------|
   |    |   4   |     open      |     open      |    closed     |
   |----+-------+---------------+---------------+---------------|
   |    |   5   |    closed     |     open      |    closed     |
   |----+-------+---------------+---------------+---------------|
   |    |   6   |     open      |    closed     |    closed     |
   |----+-------+---------------+---------------+---------------|
   |>>  |   7   |    closed     |    closed     |    closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |Address |JP6/jumper 1|JP6/jumper 2|JP6/jumper 3|JP6/jumper 4|
   |--------+------------+------------+------------+------------|
   | |C800h |   closed   |    open    |   closed   |   closed   |
   |-+------+------------+------------+------------+------------|
   | |CA00h |   closed   |    open    |   closed   |    open    |
   |-+------+------------+------------+------------+------------|
   | |CC00h |   closed   |    open    |    open    |   closed   |
   |-+------+------------+------------+------------+------------|
   | |CE00h |   closed   |    open    |    open    |    open    |
   |-+------+------------+------------+------------+------------|
   | |D000h |    open    |   closed   |   closed   |   closed   |
   |-+------+------------+------------+------------+------------|
   | |D200h |    open    |   closed   |   closed   |    open    |
   |-+------+------------+------------+------------+------------|
   | |D400h |    open    |   closed   |    open    |   closed   |
   |-+------+------------+------------+------------+------------|
   | |D600h |    open    |   closed   |    open    |    open    |
   |-+------+------------+------------+------------+------------|
   |>>|D800h |    open    |    open    |   closed   |   closed   |
   |-+------+------------+------------+------------+------------|
   | |DA00h |    open    |    open    |   closed   |    open    |
   |-+------+------------+------------+------------+------------|
   | |DC00h |    open    |    open    |    open    |   closed   |
   |-+------+------------+------------+------------+------------|
   | |DE00h |    open    |    open    |    open    |    open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                ON-BOARD CACHE CONFIGURATION                |
   |------------------------------------------------------------|
   |     Size     |        Bank 0         |       Bank 1        |
   |--------------+-----------------------+---------------------|
   |    512KB     |     (2) 256KB x 9     |        NONE         |
   |--------------+-----------------------+---------------------|
   |     1MB      |     (2) 256KB x 9     |    (2) 256KB x 9    |
   |--------------+-----------------------+---------------------|
   |     2MB      |      (2) 1MB x 9      |        NONE         |
   |--------------+-----------------------+---------------------|
   |    2.5MB     |     (2) 256KB x 9     |     (2) 1MB x 9     |
   |--------------+-----------------------+---------------------|
   |     4MB      |      (2) 1MB x 9      |     (2) 1MB x 9     |
   |--------------+-----------------------+---------------------|
   |     8MB      |      (2) 4MB x 9      |        NONE         |
   |--------------+-----------------------+---------------------|
   |    8.5MB     |     (2) 256KB x 9     |     (2) 4MB x 9     |
   |--------------+-----------------------+---------------------|
   |     10MB     |      (2) 1MB x 9      |     (2) 4MB x 9     |
   |--------------+-----------------------+---------------------|
   |     16MB     |      (2) 4MB x 9      |     (2) 4MB x 9     |
   |------------------------------------------------------------|
   | Note: Uses only 80nsec or faster SIMM's; 256K, 1M, or 4M   |
   | (either x8 or x9).                                         |
   +------------------------------------------------------------+