(TXT) View Source
       
       # UNIDENTIFIED
       
          RS-232C ADAPTER
       
          Card Type              Serial card                             
          Chip Set               Unidentified                            
          Maximum Onboard Memory Unidentified                            
          I/O Options            Serial ports (2)                        
          Data Bus               8-bit ISA                               
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Function       | Label  |      Function      | Label  |
          |---------------------+--------+--------------------+--------|
          | Serial port 1       |  CN1   | Serial port 2      |  CN2   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 1 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |      Setting       |       S1/1        |       S1/3        |
          |--------------------+-------------------+-------------------|
          |        3E8h        |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          |        3F8h        |        On         |        Off        |
          |--------------------+-------------------+-------------------|
          |      Disabled      |        Off        |        Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 2 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |        Setting         |      S1/2       |      S1/4       |
          |------------------------+-----------------+-----------------|
          |          2E8h          |       Off       |       On        |
          |------------------------+-----------------+-----------------|
          |          2F8h          |       On        |       Off       |
          |------------------------+-----------------+-----------------|
          |        Disabled        |       Off       |       Off       |
          |------------------------------------------------------------|
          | Technical note: Must install an INS 8250 chip in slot IC4  |
          | to enable dual serial port capabilities. Or - 1488 into    |
          | IC2 and 1489 into to U9.                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 1 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |        IRQ         |        S1/5        |       S1/6       |
          |--------------------+--------------------+------------------|
          |        IRQ3        |        Off         |        On        |
          |--------------------+--------------------+------------------|
          |        IRQ4        |         On         |       Off        |
          |--------------------+--------------------+------------------|
          |      Disabled      |        Off         |       Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 2 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |        IRQ         |       S1/7        |       S1/8        |
          |--------------------+-------------------+-------------------|
          |        IRQ3        |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          |        IRQ4        |        On         |        Of         |
          |--------------------+-------------------+-------------------|
          |      Disable       |        Off        |        Off        |
          +------------------------------------------------------------+