STORAGE DIMENSIONS
==================

   SDC1602A

   Card Type            Hard drive controller                     
   Hard Drives          Up to 7 SCSI-1 devices                    
   supported            
   Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
   supported            
   Data Bus             16-bit ISA                                
   Card Size            Half-length, full-height                  

<gopher://bitreich.org/I/th99/c/S-T/21461-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function      | Location |     Function     | Location |
   |-------------------+----------+------------------+----------|
   | 50-pin SCSI       |   CN1    | 4-pin connector  |   CN4    |
   | connector -       |          | - drive active   |          |
   | external          |          | LED              |          |
   |-------------------+----------+------------------+----------|
   | 50-pin SCSI       |   CN2    | SCSI active LED  |   CN5    |
   | connector -       |          |                  |          |
   | internal          |          |                  |          |
   |-------------------+----------+------------------+----------|
   | 34-pin cable      |   CN3    |                  |          |
   | connector -       |          |                  |          |
   | floppy drive      |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J5/1  |   Open   |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J5/2  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J5/3  |   Open   |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J5/4  |   Open   |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J5/5  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J5/6  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J5/7  |   Open   |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J5/8  |   Open   |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J6/4  |   Open   |
   |   | (Interrupt selection)               |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J6/5  |  Closed  |
   |   | (Interrupt selection)               |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J6/6  |   Open   |
   |   | (DMA selection)                     |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J6/7  |   Open   |
   |   | (DMA selection)                     |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | SCSI parity check disabled          | J6/8  |   Open   |
   |---+-------------------------------------+-------+----------|
   |   | SCSI parity check enabled           | J6/8  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | Floppy drive interface enabled      | J7/1  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |   | Floppy drive interface disabled     | J7/1  |   Open   |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J7/2  |  Closed  |
   |   | (DMA 2 or 3 selection)              |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J7/3  |   Open   |
   |   | (DMA 2 or 3 selection)              |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J7/4  |  Closed  |
   |   | (DMA 2 or 3 selection)              |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J7/5  |   Open   |
   |   | (DMA 2 or 3 selection)              |       |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             USER CONFIGURABLE SETTINGS (CON'T)             |
   |------------------------------------------------------------|
   |                Function                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | Floppy drive dual speed enabled     | J7/8  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |   | Floppy drive dual speed disabled    | J7/8  |   Open   |
   |---+-------------------------------------+-------+----------|
   |>> | Primary I/O port address 340h       | J9/5  |   Open   |
   |   | enabled                             |       |          |
   |---+-------------------------------------+-------+----------|
   |   | Secondary I/O port address 140h     | J9/5  |  Closed  |
   |   | enabled                             |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J9/6  |  Closed  |
   |   | (BIOS address selection)            |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | J9/7  |  Closed  |
   |   | (BIOS address selection)            |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | SCSI BIOS enabled                   | J9/8  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |   | SCSI BIOS disabled                  | J9/8  |   Open   |
   |------------------------------------------------------------|
   |      Note:Disable BIOS when SDC1602A is a secondary card   |
   |      in the system.                                        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SCSI ID SELECTION                      |
   |------------------------------------------------------------|
   |     SCSI ID     |     J6/1     |    J6/2     |    J6/3     |
   |-----------------+--------------+-------------+-------------|
   |>>    |    7     |    Closed    |   Closed    |   Closed    |
   |------------------------------------------------------------|
   |      Note:Other settings are unidentified.                 |
   +------------------------------------------------------------+

   +---------------------------------------------------------------+
   |                     DMA CHANNEL SELECTION                     |
   |---------------------------------------------------------------|
   |Channel| J8/1 | J8/2 | J8/3 | J8/4 | J8/5 | J8/6 | J8/7 | J8/8 |
   |-------+------+------+------+------+------+------+------+------|
   |>>  | 0 | Open | Open | Open |Closed| Open | Open | Open |Closed|
   |---+---+------+------+------+------+------+------+------+------|
   |   | 5 | Open | Open |Closed| Open | Open | Open |Closed| Open |
   |---+---+------+------+------+------+------+------+------+------|
   |   | 6 | Open |Closed| Open | Open | Open |Closed| Open | Open |
   |---+---+------+------+------+------+------+------+------+------|
   |   | 7 |Closed| Open | Open | Open |Closed| Open | Open | Open |
   +---------------------------------------------------------------+

   +------------------------------------------------------------+
   |              FLOPPY DRIVE INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |          IRQ          |       J7/6       |      J7/7       |
   |-----------------------+------------------+-----------------|
   |>>   |      IRQ6       |      Closed      |      Open       |
   |-----+-----------------+------------------+-----------------|
   |     |      IRQ10      |       Open       |     Closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |     IRQ      |   J9/1    |   J9/2    |   J9/3   |   J9/4   |
   |--------------+-----------+-----------+----------+----------|
   |   |   IRQ9   |   Open    |   Open    |   Open   |  Closed  |
   |---+----------+-----------+-----------+----------+----------|
   |   |  IRQ10   |   Open    |   Open    |  Closed  |   Open   |
   |---+----------+-----------+-----------+----------+----------|
   |>> |  IRQ11   |   Open    |  Closed   |   Open   |   Open   |
   |---+----------+-----------+-----------+----------+----------|
   |   |  IRQ12   |  Closed   |   Open    |   Open   |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   | Remove terminating resistors when connecting external and  |
   | internal devices.                                          |
   +------------------------------------------------------------+