ORBITON CORPORATION
===================

   ORBIT XT I/O-PERFECT

   Card Type     Multi-I/O card                                   
   Chip Set      ASIC                                             
   I/O Options   Floppy drive interface, game port, parallel      
                 port, serial ports (2)                           
   Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives        
   supported     
   Data Bus      8-bit ISA                                        
   Card Size     Half-length, full-height                         

<gopher://bitreich.org/I/th99/i/M-O/55407-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |   Function    | Label |          Function          | Label |
   |---------------+-------+----------------------------+-------|
   | Serial port 1 |  CN1  | Parallel port              |  CN4  |
   |---------------+-------+----------------------------+-------|
   | Serial port 2 |  CN2  | 34-pin cable connector -   |  CN5  |
   |               |       | floppy drive               |       |
   |---------------+-------+----------------------------+-------|
   | Game port     |  CN3  |                            |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   | Enable serial port 2                   |  JP6  |   Open    |
   |----------------------------------------+-------+-----------|
   | Disable serial port 2                  |  JP6  |  Closed   |
   |----------------------------------------+-------+-----------|
   | Enable serial port 1                   |  JP7  |   Open    |
   |----------------------------------------+-------+-----------|
   | Disable serial port 1                  |  JP7  |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |        JP1         |        JP2         |
   |------------------+--------------------+--------------------|
   |   LPT1 (378h)    | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |   LPT2 (278h)    | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     |         -          | Pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 1 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |        JP3         |        JP4         |
   |------------------+--------------------+--------------------|
   |   COM1 (3F8h)    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |   COM2 (2F8h)    | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   BIOS ADDRESS SELECTION                   |
   |------------------------------------------------------------|
   |     Address      |                  JP10                   |
   |------------------+-----------------------------------------|
   |      CA00h       |  Pins 1 & 2 closed, pins 3 & 4 closed   |
   |------------------+-----------------------------------------|
   |      CC00h       |  Pins 2 & 4 closed, pins 1 & 3 closed   |
   |------------------+-----------------------------------------|
   |      CE00h       |  Pins 1 & 2 closed, pins 5 & 6 closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              FLOPPY DISK CONTROLLER SELECTION              |
   |------------------------------------------------------------|
   |        Setting        |    JP5     |    JP8    |    JP9    |
   |-----------------------+------------+-----------+-----------|
   |        Enable         |   Closed   |   Open    |  Closed   |
   |-----------------------+------------+-----------+-----------|
   |        Disable        |    Open    |  Closed   |   Open    |
   +------------------------------------------------------------+