DATA TECHNOLOGY CORPORATION
===========================

   DTC530DB

   Data Bus                SASI                                   
   Card Size               146 x 203mm                            
   Hard Drives Supported   Two ST506/412-MFM devices              
                                                                  
                           One QIC-02 device                      
   Floppy Drives Supported None                                   

<gopher://bitreich.org/I/th99/c/C-D/21367-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function        | Label |      Function      | Label |
   |-----------------------+-------+--------------------+-------|
   | 50-pin SASI connector |  J1   | 20-pin hard drive  |  J4   |
   | - to SASI controller  |       | data cable         |       |
   |-----------------------+-------+--------------------+-------|
   | 34-pin hard drive     |  J2   | 50-pin QIC-02      |  J8   |
   | control cable         |       | connector -        |       |
   |                       |       | internal           |       |
   |-----------------------+-------+--------------------+-------|
   | 20-pin hard drive     |  J3   | 4-pin DC power in  |  J10  |
   | data cable            |       |                    |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Setting                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | SASI bus terminated               |  T1   | Installed  |
   |---+-----------------------------------+-------+------------|
   |   | SASI bus not terminated           |  T1   |    Not     |
   |   |                                   |       | installed  |
   |---+-----------------------------------+-------+------------|
   |>> | SASI bus parity enabled           |  W1   | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | SASI bus parity disabled          |  W1   | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | QIC-02 parity enabled             |  W2   | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | QIC-02 parity disabled            |  W2   | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  W5   |    Open    |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  W6   |    Open    |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  W7   |    N/A     |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  W8   |    Open    |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  W31  |    Open    |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  W32  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   +------------------------------------------------------------+

   +---------------------------------------------------------------+
   |                  SASI BUS ADDRESS SELECTION                   |
   |---------------------------------------------------------------|
   |Setting| W0/A | W0/B | W0/C | W0/D | W0/E | W0/F | W0/G | W0/H |
   |-------+------+------+------+------+------+------+------+------|
   |>>  | 0 |Closed| Open | Open | Open | Open | Open | Open | Open |
   |---+---+------+------+------+------+------+------+------+------|
   |   | 1 | Open |Closed| Open | Open | Open | Open | Open | Open |
   |---+---+------+------+------+------+------+------+------+------|
   |   | 2 | Open | Open |Closed| Open | Open | Open | Open | Open |
   |---+---+------+------+------+------+------+------+------+------|
   |   | 3 | Open | Open | Open |Closed| Open | Open | Open | Open |
   |---+---+------+------+------+------+------+------+------+------|
   |   | 4 | Open | Open | Open | Open |Closed| Open | Open | Open |
   |---+---+------+------+------+------+------+------+------+------|
   |   | 5 | Open | Open | Open | Open | Open |Closed| Open | Open |
   |---+---+------+------+------+------+------+------+------+------|
   |   | 6 | Open | Open | Open | Open | Open | Open |Closed| Open |
   |---+---+------+------+------+------+------+------+------+------|
   |   | 7 | Open | Open | Open | Open | Open | Open | Open |Closed|
   +---------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   SECTOR SIZE SELECTION                    |
   |------------------------------------------------------------|
   |        Setting         |       W3        |       W4        |
   |------------------------+-----------------+-----------------|
   |   |     128 bytes      |      Open       |      Open       |
   |---+--------------------+-----------------+-----------------|
   |>> |     256 bytes      |     Closed      |      Open       |
   |---+--------------------+-----------------+-----------------|
   |   |     512 bytes      |      Open       |     Closed      |
   |---+--------------------+-----------------+-----------------|
   |   |     1024 bytes     |     Closed      |     Closed      |
   +------------------------------------------------------------+