TANDY/RADIO SHACK
=================

   CDR-1100 INTERFACE BOARD

   Card Type   Multi-I/O card                                     
   Chip Set    Unidentified                                       
   I/O Options CD-ROM interface, audio line out/right, audio line 
               out/left, audio in - CD-ROM                        
   Data Bus    8-bit ISA                                          
   Card Size   Half-length, half-height card                      

<gopher://bitreich.org/I/th99/i/S-T/54834-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function        | Label |      Function      | Label |
   |-----------------------+-------+--------------------+-------|
   | Audio line out/right  |  CN3  | CD-ROM interface   |  P2   |
   |-----------------------+-------+--------------------+-------|
   | Audio line out/left   |  CN4  | Audio in - CD-ROM  |  P3   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BUS ADDRESS                         |
   |------------------------------------------------------------|
   |          Address           |              JP1              |
   |----------------------------+-------------------------------|
   |            300h            |   Pins 1 & 2, 4 & 5 closed    |
   |----------------------------+-------------------------------|
   |            310h            |   Pins 2 & 3, 4 & 5 closed    |
   |----------------------------+-------------------------------|
   |            330h            |   Pins 1 & 2, 5 & 6 closed    |
   |----------------------------+-------------------------------|
   |           >> 340h           |   Pins 2 & 3, 5 & 6 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        IRQ SETTINGS                        |
   |------------------------------------------------------------|
   |   IRQ   |   JB1/A    |   JB1/B    |   JB1/C    |   JB1/D   |
   |---------+------------+------------+------------+-----------|
   |   >> 3   |   Closed   |    Open    |    Open    |   Open    |
   |---------+------------+------------+------------+-----------|
   |    4    |    Open    |   Closed   |    Open    |   Open    |
   |---------+------------+------------+------------+-----------|
   |    5    |    Open    |    Open    |   Closed   |   Open    |
   |---------+------------+------------+------------+-----------|
   |    6    |    Open    |    Open    |    Open    |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       TECHNICAL NOTE                       |
   |------------------------------------------------------------|
   | Note: Only use this card with the CDR-1100                 |
   | (250-1092/259-1092) CD-ROM drive.                          |
   +------------------------------------------------------------+