OLIVETTI
========

   ASC-1 (BK09A)

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:                | 16-bit ISA                      |
   |--------------------------+---------------------------------|
   | Size:                    | Half-length, full-height card   |
   |--------------------------+---------------------------------|
   | Hard drive supported:    | Up to seven SCSI devices        |
   |--------------------------+---------------------------------|
   | Floppy drives supported: | None                            |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/M-O/20984-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |    Location     |
   |------------------------------------------+-----------------|
   | 50-pin SCSI connector - external         |       CN1       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Location | Setting |
   |---------------------------------------+----------+---------|
   |>> | Synchronous Negotiation disabled  |   J5/1   |  Open   |
   |---+-----------------------------------+----------+---------|
   |   | Synchronous Negotiation enabled   |   J5/1   | Closed  |
   |---+-----------------------------------+----------+---------|
   |>> | SCSI parity check enabled         |   J5/2   |  Open   |
   |---+-----------------------------------+----------+---------|
   |   | SCSI parity check disabled        |   J5/2   | Closed  |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   J5/3   |  Open   |
   |---+-----------------------------------+----------+---------|
   |>> | On-board BIOS enabled             |   J6/1   | Closed  |
   |---+-----------------------------------+----------+---------|
   |   | On-board BIOS disabled            |   J6/1   |  Open   |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   J6/2   |   N/A   |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   J6/3   |   N/A   |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   J6/4   |   N/A   |
   |---+-----------------------------------+----------+---------|
   |>> | Auto-sense disabled               |   J6/5   | Closed  |
   |---+-----------------------------------+----------+---------|
   |   | Auto-sense enabled                |   J6/5   |  Open   |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   J7/1   |   N/A   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |   BIOS ADDRESS SELECTION (MAINBOARDS M480-10 AND M480-20   |
   |                           ONLY)                            |
   |------------------------------------------------------------|
   |       Address        |       J7/7       |       J7/8       |
   |----------------------+------------------+------------------|
   |     C8000-CBFFFh     |      Closed      |      Closed      |
   |----------------------+------------------+------------------|
   |     CC000-CFFFFh     |      Closed      |       Open       |
   |----------------------+------------------+------------------|
   |     D8000-DBFFFh     |       Open       |      Closed      |
   |----------------------+------------------+------------------|
   |     DC000-DFFFFh     |       Open       |       Open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |    Address     |     J7/2     |     J7/3     |    J7/4     |
   |----------------+--------------+--------------+-------------|
   |   |    130h    |    Closed    |     Open     |   Closed    |
   |---+------------+--------------+--------------+-------------|
   |   |    134h    |     Open     |     Open     |   Closed    |
   |---+------------+--------------+--------------+-------------|
   |   |    230h    |    Closed    |    Closed    |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    234h    |     Open     |    Closed    |    Open     |
   |---+------------+--------------+--------------+-------------|
   |>> |    330h    |    Closed    |     Open     |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    334h    |     Open     |     Open     |    Open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   | WAIT STATE SELECTION (MAINBOARDS M480-10 AND M480-20 ONLY) |
   |------------------------------------------------------------|
   |              Setting               |   J7/5    |   J7/6    |
   |------------------------------------+-----------+-----------|
   |>>     |  IOCHRDY signal disabled   |   Open    |   Open    |
   |-------+----------------------------+-----------+-----------|
   |       |           100 ns           |  Closed   |   Open    |
   |-------+----------------------------+-----------+-----------|
   |       |           200 ns           |   Open    |  Closed   |
   |-------+----------------------------+-----------+-----------|
   |       |           300 ns           |  Closed   |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SCSI ID SELECTION                      |
   |------------------------------------------------------------|
   |    SCSI ID    |     J5/4     |     J5/5     |     J5/6     |
   |---------------+--------------+--------------+--------------|
   |    |    0     |    Closed    |    Closed    |    Closed    |
   |----+----------+--------------+--------------+--------------|
   |    |    1     |     Open     |    Closed    |    Closed    |
   |----+----------+--------------+--------------+--------------|
   |    |    2     |    Closed    |     Open     |    Closed    |
   |----+----------+--------------+--------------+--------------|
   |    |    3     |     Open     |     Open     |    Closed    |
   |----+----------+--------------+--------------+--------------|
   |    |    4     |    Closed    |    Closed    |     Open     |
   |----+----------+--------------+--------------+--------------|
   |    |    5     |     Open     |    Closed    |     Open     |
   |----+----------+--------------+--------------+--------------|
   |    |    6     |    Closed    |     Open     |     Open     |
   |----+----------+--------------+--------------+--------------|
   |>>  |    7     |     Open     |     Open     |     Open     |
   +------------------------------------------------------------+

+-------------------------------------------------------------------+
|                  AT INTERRUPT CHANNEL SELECTION                   |
|-------------------------------------------------------------------|
|IRQ | J5/9 |J5/10 |J5/11 | J9/9 |J9/10 |J9/11 |J9/12 |J9/13 |J9/14 |
|----+------+------+------+------+------+------+------+------+------|
| |9 | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |10|Closed| Open | Open | Open |Closed| Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------|
|>>|11| Open |Closed| Open | Open | Open |Closed| Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |12|Closed|Closed| Open | Open | Open | Open |Closed| Open | Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |14| Open | Open |Closed| Open | Open | Open | Open |Closed| Open |
|-+--+------+------+------+------+------+------+------+------+------|
| |15|Closed| Open |Closed| Open | Open | Open | Open | Open |Closed|
+-------------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       DMA SELECTION                        |
   |------------------------------------------------------------|
   | Channel  |  J5/7   | J5/8  | J9/1  | J9/2  | J9/3  | J9/4  |
   |----------+---------+-------+-------+-------+-------+-------|
   |     | 0  |   N/A   |  N/A  |Closed | Open  | Open  | Open  |
   |-----+----+---------+-------+-------+-------+-------+-------|
   |>>    | 5  |  Open   |Closed | Open  |Closed | Open  | Open  |
   |-----+----+---------+-------+-------+-------+-------+-------|
   |     | 6  | Closed  | Open  | Open  | Open  |Closed | Open  |
   |-----+----+---------+-------+-------+-------+-------+-------|
   |     | 7  |  Open   | Open  | Open  | Open  | Open  |Closed |
   |------------------------------------------------------------|
   |Note: Jumpers J9/5 through J9/8 are also used to select DMA |
   |Channel.                                                    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DMA SELECTION (CONTINUED)                  |
   |------------------------------------------------------------|
   |   Channel    |    J9/5    |   J9/6   |   J9/7   |   J9/8   |
   |--------------+------------+----------+----------+----------|
   |       |  0   |   Closed   |   Open   |   Open   |   Open   |
   |-------+------+------------+----------+----------+----------|
   |>>     |  5   |    Open    |  Closed  |   Open   |   Open   |
   |-------+------+------------+----------+----------+----------|
   |       |  6   |    Open    |   Open   |  Closed  |   Open   |
   |-------+------+------------+----------+----------+----------|
   |       |  7   |    Open    |   Open   |   Open   |  Closed  |
   |------------------------------------------------------------|
   | Note: Jumpers J5/7, J5/8, and J9/1 through J9/4 are also   |
   | used to select DMA Channel.                                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                DMA TRANSFER SPEED SELECTION                |
   |------------------------------------------------------------|
   |         Speed          |      J5/12      |      J5/13      |
   |------------------------+-----------------+-----------------|
   |>> |      5.0 MB/s      |      Open       |      Open       |
   |---+--------------------+-----------------+-----------------|
   |   |      5.7 MB/s      |     Closed      |      Open       |
   |---+--------------------+-----------------+-----------------|
   |   |      6.7 MB/s      |      Open       |     Closed      |
   |---+--------------------+-----------------+-----------------|
   |   |      8.0 MB/s      |     Closed      |     Closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   |  Jumper J6/1 should not be inserted when the system is in  |
   | AT configuration with the BIOS of the magnetic peripherals |
   |                     on the mainboard.                      |
   +------------------------------------------------------------+