ADAPTEC, INC.
=============

   AMM-1572

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:     | 16-bit ISA                                 |
   |---------------+--------------------------------------------|
   | Size:         | Full-length, full-height card              |
   |---------------+--------------------------------------------|
   | Hard drive    | Up to seven SCSI drives                    |
   | supported:    |                                            |
   |---------------+--------------------------------------------|
   | Floppy drives | Two 360KB, 720KB, 1.2MB, 1.44MB, or 2.88MB |
   | supported:    | drives                                     |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/A-B/20792-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 50-pin SCSI connector - internal              |    CN1     |
   |-----------------------------------------------+------------|
   | 50-pin SCSI connector - external              |    CN2     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |    CN3     |
   |-----------------------------------------------+------------|
   | 4-pin connector - drive active LED            |    CN4     |
   |-----------------------------------------------+------------|
   | 15-pin game port - external                   |    CN5     |
   |-----------------------------------------------+------------|
   | Headphone/speaker jack                        |     J1     |
   |-----------------------------------------------+------------|
   | Line out                                      |     J2     |
   |-----------------------------------------------+------------|
   | Line in                                       |     J3     |
   |-----------------------------------------------+------------|
   | CD audio in                                   |     J4     |
   |-----------------------------------------------+------------|
   | Mic in                                        |    J10     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Location | Setting |
   |---------------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   J5/A   |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | INT 19h reroute enabled           |   J5/B   | closed  |
   |---+-----------------------------------+----------+---------|
   |   | INT 19h reroute disabled          |   J5/B   |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   J5/C   |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | Fast SCSI disabled                |   J5/D   |  open   |
   |---+-----------------------------------+----------+---------|
   |   | Fast SCSI enabled                 |   J5/D   | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | Synchronous negotiation disabled  |   J5/E   |  open   |
   |---+-----------------------------------+----------+---------|
   |   | Synchronous negotiation enabled   |   J5/E   | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | SCSI disconection enabled         |   J5/F   | closed  |
   |---+-----------------------------------+----------+---------|
   |   | SCSI disconection disabled        |   J5/F   |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | Floptical support disabled        |   J5/G   |  open   |
   |---+-----------------------------------+----------+---------|
   |   | Floptical support enabled         |   J5/G   | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | Extended translation disabled     |   J5/H   |  open   |
   |---+-----------------------------------+----------+---------|
   |   | Extended translation enabled      |   J5/H   | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   J6/F   |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   J6/G   |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | SCSI parity checking enabled      |   J6/H   |  open   |
   |---+-----------------------------------+----------+---------|
   |   | SCSI parity checking disabled     |   J6/H   | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | Floppy drive enabled              |    J7    | closed  |
   |---+-----------------------------------+----------+---------|
   |   | Floppy drive disabled             |    J7    |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |    J8    |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | I/O port address is340h - 35Eh    |   J9/E   |  open   |
   |---+-----------------------------------+----------+---------|
   |   | I/O port address is 140h - 15Eh   |   J9/E   | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | Host adapter BIOS enabled         |   J9/H   | closed  |
   |---+-----------------------------------+----------+---------|
   |   | Host adapter BIOS disabled        |   J9/H   |  open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   SCSI ID CONFIGURATION                    |
   |------------------------------------------------------------|
   |     ID       |     J6/A      |     J6/B     |     J6/C     |
   |--------------+---------------+--------------+--------------|
   |>> |    7     |    closed     |    closed    |    closed    |
   |---+----------+---------------+--------------+--------------|
   |   |    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    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   | IRQ  |  J6/D  |  J6/E  |  J9/A  |  J9/B  |  J9/C  |  J9/D  |
   |------+--------+--------+--------+--------+--------+--------|
   |>>| 11 |  open  | closed |  open  | closed |  open  |  open  |
   |-+----+--------+--------+--------+--------+--------+--------|
   | | 9  |  open  |  open  |  open  |  open  |  open  | closed |
   |-+----+--------+--------+--------+--------+--------+--------|
   | | 10 | closed |  open  |  open  |  open  | closed |  open  |
   |-+----+--------+--------+--------+--------+--------+--------|
   | | 12 | closed | closed | closed |  open  |  open  |  open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                BIOS BASE ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |        Address         |      J9/F       |      J9/G       |
   |------------------------+-----------------+-----------------|
   |>> |  DC000h - DFFFFh   |     closed      |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |  C8000h - CBFFFh   |      open       |      open       |
   |---+--------------------+-----------------+-----------------|
   |   |  CC000h - CFFFFh   |      open       |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |  D8000h - DBFFFh   |     closed      |      open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  SOUND CHIP BASE ADDRESS                   |
   |------------------------------------------------------------|
   |          Address           |              J17              |
   |----------------------------+-------------------------------|
   |>> |          220h          |       pins 1 & 2 closed       |
   |---+------------------------+-------------------------------|
   |   |          240h          |       pins 2 & 3 closed       |
   |---+------------------------+-------------------------------|
   |   |        Invalid         |             open              |
   +------------------------------------------------------------+