(TXT) View Source
       
       # DATA TECHNOLOGY CORPORATION
       
          DTC2278E (400518-89W)
       
          Card Type            Hard drive controller card                
          Hard Drives          Four EIDE drives                          
          supported            
          Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
          supported            
          Data Bus             32-bit VESA Local Bus                     
          Card Size            Full-length, half-height card             
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Function      | Location |     Function     | Location |
          |-------------------+----------+------------------+----------|
          | 9-pin serial port |   CN1    | 40-pin secondary |    J3    |
          | 1 - external      |          | IDE(AT)          |          |
          |                   |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | 25-pin parallel   |   CN2    | 34-pin cable     |    J4    |
          | port - external   |          | connector -      |          |
          |                   |          | floppy drive     |          |
          |-------------------+----------+------------------+----------|
          | 2-pin connector - |    J1    | 16-pin game port |    J5    |
          | drive active LED  |          |                  |          |
          |-------------------+----------+------------------+----------|
          | 40-pin primary    |    J2    | 10-pin serial    |    J7    |
          | IDE(AT) connector |          | port 2 -         |          |
          |                   |          | internal         |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                | Label | Position  |
          |----------------------------------------+-------+-----------|
          | » | Floppy drive order is normal (A:,  |  W26  | Pins 1 &  |
          |   | B:)                                |       | 2 closed  |
          |---+------------------------------------+-------+-----------|
          |   | Floppy drive order is reversed     |  W26  | Pins 2 &  |
          |   | (B:, A:)                           |       | 3 closed  |
          |---+------------------------------------+-------+-----------|
          | » | Floppy drive address 3F0-3F7       |  W27  | Pins 2 &  |
          |   |                                    |       | 3 closed  |
          |---+------------------------------------+-------+-----------|
          |   | Floppy drive address 370-377       |  W27  | Pins 1 &  |
          |   |                                    |       | 2 closed  |
          |---+------------------------------------+-------+-----------|
          | » | Floppy drive interface enabled     |  W28  | Pins 1 &  |
          |   |                                    |       | 2 closed  |
          |---+------------------------------------+-------+-----------|
          |   | Floppy drive interface disabled    |  W28  | Pins 2 &  |
          |   |                                    |       | 3 closed  |
          |---+------------------------------------+-------+-----------|
          | » | Game port enabled                  |  W46  |  Closed   |
          |---+------------------------------------+-------+-----------|
          |   | Game port disabled                 |  W46  |   Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PARALLEL PORT ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |     Setting      |        W24         |        W25         |
          |------------------+--------------------+--------------------|
          | » | LPT1 (378h)  | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   | LPT2 (278h)  | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   | LPT3 (3BCh)  | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   |   Disabled   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 1 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |     Setting      |        W20         |        W21         |
          |------------------+--------------------+--------------------|
          | » | COM1 (3F8h)  | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   | COM3 (3E8h)  | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   |   Disabled   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 2 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |     Setting      |        W22         |        W23         |
          |------------------+--------------------+--------------------|
          | » | COM2 (2F8h)  | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   | COM4 (2E8h)  | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   |   Disabled   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 1 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |      IRQ       |     W35      |     W36      |     W37     |
          |----------------+--------------+--------------+-------------|
          | » |    IRQ4    |    Closed    |     Open     |    Open     |
          |---+------------+--------------+--------------+-------------|
          |   |    IRQ3    |     Open     |    Closed    |    Open     |
          |---+------------+--------------+--------------+-------------|
          |   |    IRQ5    |     Open     |     Open     |   Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 2 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |      IRQ       |     W38      |     W39      |     W40     |
          |----------------+--------------+--------------+-------------|
          | » |    IRQ3    |    Closed    |     Open     |    Open     |
          |---+------------+--------------+--------------+-------------|
          |   |    IRQ4    |     Open     |    Closed    |    Open     |
          |---+------------+--------------+--------------+-------------|
          |   |    IRQ5    |     Open     |     Open     |   Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             PARALLEL PORT INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |          IRQ          |       W41        |       W42       |
          |-----------------------+------------------+-----------------|
          | »   |      IRQ7       |      Closed      |      Open       |
          |-----+-----------------+------------------+-----------------|
          |     |      IRQ5       |       Open       |     Closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                PARALLEL PORT MODE SELECTION                |
          |------------------------------------------------------------|
          |     Setting      |        W29         |        W30         |
          |------------------+--------------------+--------------------|
          |   Printer mode   | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |     EPP/SPP      | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |     EPP/ECP      | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |     EXT2FDD      | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 ECP DMA CHANNEL SELECTION                  |
          |------------------------------------------------------------|
          |      Channel       |      Label       |      Position      |
          |--------------------+------------------+--------------------|
          |         1          |       W31        | Pins 1 & 2 closed  |
          |--------------------+------------------+--------------------|
          |         3          |       W31        | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  PRINTER OUTPUT DIRECTION                  |
          |------------------------------------------------------------|
          |    Setting     |     W43      |     W44      |     W45     |
          |----------------+--------------+--------------+-------------|
          |     Output     |    Closed    |     Open     |    Open     |
          |----------------+--------------+--------------+-------------|
          | Bi-directional |     Open     |     Open     |    Open     |
          |----------------+--------------+--------------+-------------|
          |  DACK1 (DRQ1)  |     Open     |    Closed    |    Open     |
          |----------------+--------------+--------------+-------------|
          |  DACK3 (DRQ3)  |     Open     |     Open     |   Closed    |
          +------------------------------------------------------------+