(TXT) View Source
       
       # ABC COMPUTER COMPANY, LTD.
       
          ABCA3291
       
          +------------------------------------------------------------+
          |------------------------------------------------------------|
          | Data bus:             | 16-bit, ISA                        |
          |-----------------------+------------------------------------|
          | Size:                 | Half-length, full-height card      |
          |-----------------------+------------------------------------|
          | Hard drives           | Two IDE(AT) drives                 |
          | supported:            |                                    |
          |-----------------------+------------------------------------|
          | Floppy drives         | Two 360KB, 720KB, 1.2MB, or 1.44MB |
          | supported:            |                                    |
          +------------------------------------------------------------+
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                  Function                   |   Location   |
          |---------------------------------------------+--------------|
          | 40-pin AT Interface (IDE) connector         |     CN1      |
          |---------------------------------------------+--------------|
          | 2-pin connector-Drive active LED            |     CN2      |
          |---------------------------------------------+--------------|
          | 34-pin control cable connector-floppy drive |     CN3      |
          |---------------------------------------------+--------------|
          | 10-pin serial port (COM2/4) - internal      |     CN4      |
          |---------------------------------------------+--------------|
          | 10-pin serial port (COM1/3) - internal      |     CN5      |
          |---------------------------------------------+--------------|
          | 15-pin game port - external                 |     CN6      |
          |---------------------------------------------+--------------|
          | 25-pin parallel port (LPT1/2) - external    |     CN7      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Location |  Setting   |
          |------------------------------------+----------+------------|
          | » | Floppy drive enabled           |   JP1    | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Floppy drive disabled          |   JP1    | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Serial Port 1 (CN5) is set to  |   JP6    |    open    |
          |   | COM1                           |          |            |
          |---+--------------------------------+----------+------------|
          |   | Serial Port 1 (CN5) is set to  |   JP6    |   closed   |
          |   | COM3                           |          |            |
          |---+--------------------------------+----------+------------|
          | » | Serial Port 2 (CN4) is set to  |   JP7    |    open    |
          |   | COM2                           |          |            |
          |---+--------------------------------+----------+------------|
          |   | Serial Port 2 (CN4) is set to  |   JP7    |   closed   |
          |   | COM4                           |          |            |
          |---+--------------------------------+----------+------------|
          | » | Game Port (CN6) enabled        |   JP8    | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Game Port (CN6) disabled       |   JP8    | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Serial Port 2 (CN4) uses IRQ3  |   JP9    | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Serial Port 2 (CN4) uses IRQ5  |   JP9    | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Serial Port 1 (CN5) uses IRQ4  |   JP10   | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Serial Port 1 (CN5) uses IRQ9  |   JP10   | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Parallel Port (CN7) uses IRQ7  |   JP11   | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Parallel Port (CN7) uses IRQ5  |   JP11   | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Hard drive enabled             |   JP12   | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Hard drive disabled            |   JP12   | pins 1 & 2 |
          |   |                                |          |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SERIAL PORT CONFIGURATION                  |
          |------------------------------------------------------------|
          | Serial Port 1 |  Serial Port 2  | Jumper JP2  | Jumper JP3 |
          |     (CN5)     |      (CN4)      |             |            |
          |---------------+-----------------+-------------+------------|
          | » |  Enabled  |     Enabled     | pins 2 & 3  | pins 2 & 3 |
          |   |           |                 |   closed    |   closed   |
          |---+-----------+-----------------+-------------+------------|
          |   | Disabled  |     Enabled     | pins 2 & 3  | pins 1 & 2 |
          |   |           |                 |   closed    |   closed   |
          |---+-----------+-----------------+-------------+------------|
          |   |  Enabled  |    Disabled     | pins 1 & 2  | pins 2 & 3 |
          |   |           |                 |   closed    |   closed   |
          |---+-----------+-----------------+-------------+------------|
          |   | Disabled  |    Disabled     | pins 1 & 2  | pins 1 & 2 |
          |   |           |                 |   closed    |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                PARALLEL PORT CONFIGURATION                 |
          |------------------------------------------------------------|
          |       CN7        |     Jumper JP4     |     Jumper JP5     |
          |------------------+--------------------+--------------------|
          |   LPT1 enabled   | pins 2 & 3 closed  | pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |   LPT2 enabled   | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |     Disabled     | pins 1 & 2 closed  | pins 1 & 2 closed  |
          +------------------------------------------------------------+