(TXT) View Source
       
       # DTK COMPUTER, INC.
       
          PTI-255W (VER. 1.01)
       
          +------------------------------------------------------------+
          |------------------------------------------------------------|
          | Data bus:         | 32-bit VL-bus                          |
          |-------------------+----------------------------------------|
          | Size:             | Three-quarter length, half-height card |
          |-------------------+----------------------------------------|
          | Hard drive        | Four IDE(AT) drives                    |
          | supported:        |                                        |
          |-------------------+----------------------------------------|
          | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
          | supported:        | drives                                 |
          +------------------------------------------------------------+
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                    Function                     | Location |
          |-------------------------------------------------+----------|
          | 40-pin primary IDE(AT) connector                |    J1    |
          |-------------------------------------------------+----------|
          | 40-pin secondary IDE(AT) connector              |    J2    |
          |-------------------------------------------------+----------|
          | 34-pin cable connector - floppy drive           |    J3    |
          |-------------------------------------------------+----------|
          | 16-pin game port                                |    J4    |
          |-------------------------------------------------+----------|
          | 10-pin serial port 1 - internal, 9-pin serial   |    J5    |
          | port 1 - external                               |          |
          |-------------------------------------------------+----------|
          | 10-pin serial port 2 - internal                 |    J6    |
          |-------------------------------------------------+----------|
          | 25-pin Parallel port                            |    J7    |
          |-------------------------------------------------+----------|
          | 2-pin connector - drive active LED              |    J8    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRIVE SPEED CONFIGURATION                  |
          |------------------------------------------------------------|
          |      Speed       |       JP1/4        |       JP1/5        |
          |------------------+--------------------+--------------------|
          | » |    600ns     | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   |    500ns     | pins 2 & 3 closed  | pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   |    400ns     | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   |    240ns     | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Location |  Setting   |
          |------------------------------------+----------+------------|
          | » | Secondary IDE(AT) IOCHRDY      |   JP3    |    open    |
          |   | signal disabled                |          |            |
          |---+--------------------------------+----------+------------|
          |   | Secondary IDE(AT) IOCHRDY      |   JP3    |   closed   |
          |   | signal enabled                 |          |            |
          |---+--------------------------------+----------+------------|
          | » | Primary IDE(AT) IOCHRDY signal |   JP4    |   closed   |
          |   | enabled                        |          |            |
          |---+--------------------------------+----------+------------|
          |   | Primary IDE(AT) IOCHRDY signal |   JP4    |    open    |
          |   | disabled                       |          |            |
          |---+--------------------------------+----------+------------|
          | » | Parallel port is               |   JP6    |   closed   |
          |   | unidirectional                 |          |            |
          |---+--------------------------------+----------+------------|
          |   | Parallel port is               |   JP6    |    open    |
          |   | bi-directional                 |          |            |
          |---+--------------------------------+----------+------------|
          | » | Game port enabled              |   JP8    |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Game port disabled             |   JP8    |    open    |
          |---+--------------------------------+----------+------------|
          | » | IDE(AT) interface enabled      |  JP1/1   | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | IDE(AT) interface disabled     |  JP1/1   | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | IDE(AT) address is 170h & 1F0h |  JP1/2   | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | IDE(AT) address is 1F0h        |  JP1/2   | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | CPU speed is 50MHz             |  JP1/3   | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | CPU speed is 33MHz             |  JP1/3   | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Floppy drive order is normal   |  JP2/1   | pins 1 & 2 |
          |   | (A:, B:)                       |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Floppy drive order is reversed |  JP2/1   | pins 2 & 3 |
          |   | (B:, A:)                       |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Floppy drive address is 3F0h   |  JP2/2   | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Floppy drive address is 370h   |  JP2/2   | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Floppy drive interface enabled |  JP2/3   | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Floppy drive interface         |  JP2/3   | pins 2 & 3 |
          |   | disabled                       |          |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 1 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |       COM        |       JP5/1        |       JP5/2        |
          |------------------+--------------------+--------------------|
          | » | COM1 (3F8h)  | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   | COM3 (3E8h)  | pins 2 & 3 closed  | pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   | COM4 (2E8h)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   |   Disabled   | pins 2 & 3 closed  | pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 2 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |       COM        |       JP5/3        |       JP5/4        |
          |------------------+--------------------+--------------------|
          | » | COM2 (2F8h)  | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   | COM3 (3E8h)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   | COM4 (2E8h)  | pins 2 & 3 closed  | pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   |   Disabled   | pins 2 & 3 closed  | pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PARALLEL PORT ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |       LPT        |       JP5/5        |       JP6/6        |
          |------------------+--------------------+--------------------|
          | » | LPT1 (378h)  | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   | LPT2 (278h)  | pins 2 & 3 closed  | pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   | LPT3 (3BCh)  | pins 2 & 3 closed  | pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   |   Disabled   | pins 1 & 2 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             PARALLEL PORT INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |         IRQ          |      JP7/1       |      JP7/1       |
          |----------------------+------------------+------------------|
          | »    |       7       |      closed      |       open       |
          |------+---------------+------------------+------------------|
          |      |       5       |       open       |      closed      |
          +------------------------------------------------------------+