(TXT) View Source
       
       # UNIDENTIFIED
       
          RS232C
       
          Card Type               Multi 1/0 card                         
          Chip Set                Unidentified                           
          Maximum Onboard Memory  Unidentified                           
          I/O Options             Serial ports (2)                       
          Hard Drives supported   None                                   
          Floppy drives supported None                                   
          Data Bus                8-bit ISA                              
          Card Size               Half-height card                       
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function       | Label |      Function       | Label |
          |----------------------+-------+---------------------+-------|
          | Serial port 1        |  CN1  | Serial port 2       |  J2   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 1 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |      Setting       |       SW1/1        |      SW1/3       |
          |--------------------+--------------------+------------------|
          | Port disabled      |        Off         |       Off        |
          |--------------------+--------------------+------------------|
          | 3E8-2EF            |        Off         |        On        |
          |--------------------+--------------------+------------------|
          | 3F8-3FF            |         On         |       Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 2 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |      Setting       |       SW1/2        |      SW1/4       |
          |--------------------+--------------------+------------------|
          | Port disabled      |        Off         |       Off        |
          |--------------------+--------------------+------------------|
          | 2E8-2EF            |        Off         |        On        |
          |--------------------+--------------------+------------------|
          | 2F8-2FF            |         On         |       Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 1 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |        IRQ         |       SW1/5       |       SW1/6       |
          |--------------------+-------------------+-------------------|
          | Interrupt disabled |        Off        |        Off        |
          |--------------------+-------------------+-------------------|
          | IRQ3               |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          | IRQ4               |        On         |        Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 2 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |        IRQ         |       SW1/7       |       SW1/8       |
          |--------------------+-------------------+-------------------|
          | Interrupt disabled |        Off        |        Off        |
          |--------------------+-------------------+-------------------|
          | IRQ3               |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          | IRQ4               |        On         |        Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          | A second serial port may be added by inserting an UM8250   |
          | into U2, a MC1489 into U3, a MC1488 into U4, and           |
          | connecting an external adapter to J2                       |
          +------------------------------------------------------------+