(TXT) View Source
       
       # DATA TECHNOLOGY CORPORATION
       
          DTC2278E (400518-89A)
       
          Data Bus             32-bit VESA Local Bus                     
          Card Size            Three-quarter length, half-height card    
          Hard Drives          Four IDE (AT) or EIDE drives              
          supported            
          Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
          supported            
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Function      | Location |     Function     | Location |
          |-------------------+----------+------------------+----------|
          | 10-pin serial     |    J2    | 40-pin secondary |    J6    |
          | port 2 - internal |          | IDE(AT)          |          |
          |                   |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | 9-pin serial port |    J3    | 40-pin primary   |    J7    |
          | 1 - external      |          | IDE(AT)          |          |
          |                   |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | 16-pin game port  |    J4    | 4-pin connector  |    J8    |
          |                   |          | - drive active   |          |
          |                   |          | LED              |          |
          |-------------------+----------+------------------+----------|
          | 34-pin cable      |    J5    | 25-pin parallel  |    J9    |
          | connector -       |          | port - external  |          |
          | floppy drive      |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                | Label | Position  |
          |----------------------------------------+-------+-----------|
          | » | Game port enabled                  |  W14  |  Closed   |
          |---+------------------------------------+-------+-----------|
          |   | Game port disabled                 |  W14  |   Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 1 ADDRESS SELECTION             |  |
          |---------------------------------------------------------|  |
          |         COM         |        W5         |      W6       |  |
          |---------------------+-------------------+---------------|  |
          | » |   COM1 (3F8h)   | Pins 1 & 2 closed |  Pins 2 & 3   |  |
          |   |                 |                   |    closed     |  |
          |---+-----------------+-------------------+---------------|  |
          |   |   COM3 (3E8h)   | Pins 2 & 3 closed |  Pins 1 & 2   |  |
          |   |                 |                   |    closed     |  |
          |---+-----------------+-------------------+---------------|  |
          |   |    Disabled     | Pins 1 & 2 closed |  Pins 1 & 2   |  |
          |   |                 |                   |    closed     |  |
          |---+--------------------------------------------------------|
          |   | Notes: COM1 & COM3 are automatically configured to     |
          |   | IRQ4. COM2 & COM4 are automatically configured         |
          |   |                                                        |
          |   | to IRQ3.                                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 2 ADDRESS SELECTION             |  |
          |---------------------------------------------------------|  |
          |         COM         |        W3         |      W4       |  |
          |---------------------+-------------------+---------------|  |
          | » |   COM2 (2F8h)   | Pins 1 & 2 closed |  Pins 2 & 3   |  |
          |   |                 |                   |    closed     |  |
          |---+-----------------+-------------------+---------------|  |
          |   |   COM4 (2E8h)   | Pins 2 & 3 closed |  Pins 1 & 2   |  |
          |   |                 |                   |    closed     |  |
          |---+-----------------+-------------------+---------------|  |
          |   |    Disabled     | Pins 1 & 2 closed |  Pins 1 & 2   |  |
          |   |                 |                   |    closed     |  |
          |---+--------------------------------------------------------|
          |   | Notes: COM1 & COM3 are automatically configured to     |
          |   | IRQ4. COM2 & COM4 are automatically                    |
          |   |                                                        |
          |   | configured to IRQ3.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PARALLEL PORT ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |       LPT        |         W1         |         W2         |
          |------------------+--------------------+--------------------|
          | » | LPT1 (378h)  | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   | LPT2 (278h)  | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   | LPT3 (3BCh)  | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   |   Disabled   | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PARALLEL PORT MODE CONFIGURATION              |
          |------------------------------------------------------------|
          |       Mode       |         W7         |        W22         |
          |------------------+--------------------+--------------------|
          |     |    ECP     | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |-----+------------+--------------------+--------------------|
          |     |    EPP     | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |-----+------------+--------------------+--------------------|
          | »   |  Printer   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          |------------------------------------------------------------|
          | Note: You must select a DMA channel when using ECP mode.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DMA CONFIGURATION                      |
          |------------------------------------------------------------|
          |   Mode    |     W8     |    W9     |    W10    |    W11    |
          |-----------+------------+-----------+-----------+-----------|
          |   |   1   |   Closed   |   Open    |  Closed   |   Open    |
          |---+-------+------------+-----------+-----------+-----------|
          | » |   3   |    Open    |  Closed   |   Open    |  Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 1 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |      IRQ       |     W19      |     W20      |     W21     |
          |----------------+--------------+--------------+-------------|
          |   |    IRQ3    |     Open     |    Closed    |    Open     |
          |---+------------+--------------+--------------+-------------|
          | » |    IRQ4    |     Open     |     Open     |   Closed    |
          |---+------------+--------------+--------------+-------------|
          |   |    IRQ5    |    Closed    |     Open     |    Open     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 2 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |      IRQ       |     W16      |     W17      |     W18     |
          |----------------+--------------+--------------+-------------|
          | » |    IRQ3    |     Open     |     Open     |   Closed    |
          |---+------------+--------------+--------------+-------------|
          |   |    IRQ4    |     Open     |    Closed    |    Open     |
          |---+------------+--------------+--------------+-------------|
          |   |    IRQ5    |    Closed    |     Open     |    Open     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  PARALLEL PORT INTERRUPT                   |
          |------------------------------------------------------------|
          |         IRQ         |        W12        |       W13        |
          |---------------------+-------------------+------------------|
          | » |      IRQ7       |       Open        |      Closed      |
          |---+-----------------+-------------------+------------------|
          |   |      IRQ5       |      Closed       |       Open       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          | The floppy controller in automatically configured. When a  |
          | cable is attached, it is enabled; when no cable is         |
          | attached it is disabled.                                   |
          +------------------------------------------------------------+