(TXT) View Source
       
       # DATA TECHNOLOGY CORPORATION
       
          DTC2278EB (400523-89A)
       
          Card Type               Hard drive controller card             
          Hard drives supported   Four IDE(AT) interface drives          
          Floppy drives supported Two 360KB, 720KB, 1.2MB, 1.44MB drives 
          Data-bus                32-bit VESA Local Bus                  
          Size                    Full-length, half-height card          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Function       | Label |       Function       | Label |
          |---------------------+-------+----------------------+-------|
          | 25-pin parallel     |  J1   | 34-pin control cable |  J5   |
          | port - external     |       | connector - floppy   |       |
          |                     |       | drive                |       |
          |---------------------+-------+----------------------+-------|
          | 10-pin serial port  |  J2   | 40-pin IDE(AT)       |  J6   |
          | 2 - internal        |       | secondary interface  |       |
          |                     |       | connector            |       |
          |---------------------+-------+----------------------+-------|
          | 9-pin serial port 1 |  J3   | 40-pin IDE(AT)       |  J7   |
          | - external          |       | primary interface    |       |
          |                     |       | connector            |       |
          |---------------------+-------+----------------------+-------|
          | 16-pin game port -  |  J4   | Drive active LED     |  J8   |
          | internal            |       |                      |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               USER CONFIGURABLE CONNECTIONS                |
          |------------------------------------------------------------|
          |              Function              | Location |  Setting   |
          |------------------------------------+----------+------------|
          | » | Game port enabled              |   W29    |   Closed   |
          |---+--------------------------------+----------+------------|
          |   | Game port disabled             |   W29    |    Open    |
          |---+--------------------------------+----------+------------|
          | » | Floppy drive interface enabled |   W30    | Pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Floppy drive interface         |   W30    | Pins 2 & 3 |
          |   | disabled                       |          |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 1 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |     Setting      |        W22         |        W23         |
          |------------------+--------------------+--------------------|
          | » | COM1 (3F8h)  | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   | COM2 (2F8h)  | 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      |        W20         |        W21         |
          |------------------+--------------------+--------------------|
          |   COM1 (3F8h)    | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |   COM2 (2F8h)    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |   COM4 (2E8h)    | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |     Disabled     | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PARALLEL PORT ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |     Setting      |        W18         |        W19         |
          |------------------+--------------------+--------------------|
          |   LPT1 (378h)    | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |   LPT2 (278h)    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |   LPT3 (3BCh)    | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |     Disabled     | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 1 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |      IRQ       |     W15      |     W16      |     W17     |
          |----------------+--------------+--------------+-------------|
          |   |    IRQ3    |     Open     |    Closed    |    Open     |
          |---+------------+--------------+--------------+-------------|
          | » |    IRQ4    |     Open     |     Open     |   Closed    |
          |---+------------+--------------+--------------+-------------|
          |   |    IRQ5    |    Closed    |     Open     |    Open     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 2 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |      IRQ       |     W12      |     W13      |     W14     |
          |----------------+--------------+--------------+-------------|
          | » |    IRQ3    |     Open     |     Open     |   Closed    |
          |---+------------+--------------+--------------+-------------|
          |   |    IRQ4    |     Open     |    Closed    |    Open     |
          |---+------------+--------------+--------------+-------------|
          |   |    IRQ5    |    Closed    |     Open     |    Open     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             PARALLEL PORT INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |          IRQ          |       W10        |       W11       |
          |-----------------------+------------------+-----------------|
          |     |      IRQ5       |      Closed      |      Open       |
          |-----+-----------------+------------------+-----------------|
          | »   |      IRQ7       |       Open       |     Closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   BIOS ADDRESS SELECTION                   |
          |------------------------------------------------------------|
          |    Address    |       W7        |       W8        |  W24   |
          |---------------+-----------------+-----------------+--------|
          | C8000h-CBFFFh |   Pins 2 & 3    |   Pins 2 & 3    | Closed |
          |               |     closed      |     closed      |        |
          |---------------+-----------------+-----------------+--------|
          | CC000h-CFFFFh |   Pins 2 & 3    |   Pins 1 & 2    | Closed |
          |               |     closed      |     closed      |        |
          |---------------+-----------------+-----------------+--------|
          | D8000h-DBFFFh |   Pins 1 & 2    |   Pins 2 & 3    | Closed |
          |               |     closed      |     closed      |        |
          |---------------+-----------------+-----------------+--------|
          | DC000h-DFFFFh |   Pins 1 & 2    |   Pins 1 & 2    | Closed |
          |               |     closed      |     closed      |        |
          |---------------+-----------------+-----------------+--------|
          |   Disabled    |      Open       |      Open       |  Open  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DMA CHANNEL SELECTION                    |
          |------------------------------------------------------------|
          |    Channel     |    W1    |    W2    |    W3    |    W4    |
          |----------------+----------+----------+----------+----------|
          |       1        |  Closed  |   Open   |  Closed  |   Open   |
          |----------------+----------+----------+----------+----------|
          |       3        |   Open   |  Closed  |   Open   |  Closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                PARALLEL PORT MODE SELECTION                |
          |------------------------------------------------------------|
          |      Setting       |      W9       |     W25      |  W31   |
          |--------------------+---------------+--------------+--------|
          | Bidirectional /ECP |  Pins 2 & 3   |  Pins 1 & 2  | Closed |
          |                    |    closed     |    closed    |        |
          |--------------------+---------------+--------------+--------|
          | Bidirectional /EPP |  Pins 1 & 2   |  Pins 2 & 3  |  Open  |
          |                    |    closed     |    closed    |        |
          |--------------------+---------------+--------------+--------|
          |  Uni-directional   |  Pins 2 & 3   |  Pins 2 & 3  |  Open  |
          |                    |    closed     |    closed    |        |
          |--------------------+---------------+--------------+--------|
          |     EPP & ECP      |  Pins 1 & 2   |  Pins 1 & 2  | Closed |
          |                    |    closed     |    closed    |        |
          +------------------------------------------------------------+