QUADRAM
=======

   MAINLINK II

   Card Type        Network (terminal emulator)                   
   NIC Type         Proprietary (3270 network with 3278/9         
                    terminator emulator)                          
   Maximum Onboard  Unidentified                                  
   Memory           
   Boot ROM         Available                                     
   Network Transfer Unidentified                                  
   Rate             
   Topology         Linear Bus (microcomputer to mainframe)       
   Wiring Type      Proprietary coaxial                           
   Data Bus         8-bit ISA                                     
   Card Size        Unidentified                                  

<gopher://bitreich.org/I/th99/i/P-R/53020-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |           Function           |            Label            |
   |------------------------------+-----------------------------|
   | BNC connector                |             CN1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> | Not used                           | SW1/1 |    Off    |
   |---+------------------------------------+-------+-----------|
   |>> | Slot 8 disabled - PC AT mode       | SW1/2 |    Off    |
   |---+------------------------------------+-------+-----------|
   |   | Slot 8 enabled - PC XT mode        | SW1/2 |    On     |
   |---+------------------------------------+-------+-----------|
   |>> | PROM memory window enabled         | SW1/3 |    On     |
   |---+------------------------------------+-------+-----------|
   |   | PROM memory window disabled        | SW1/3 |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |      MEMORY ADDRESS SELECTION FOR THE PC, XT &AMP; AT      |
   |------------------------------------------------------------|
   |  ADDRESS HEX   | SW1/4  | SW1/5  | SW1/6 SW1/7 |           |
   |                |        |        |    SW1/8    |           |
   |----------------+--------+--------+-------------+-----------|
   | C0000h-C1FFFh  |   On   |   On   |     On      | On  | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | C2000h-C3FFFh  |  Off   |   On   |     On      | On  | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | C4000h-C5FFFh  |   On   |  Off   |     On      | On  | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | C6000h-C7FFFh  |  Off   |  Off   |     On      | On  | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | C8000h-C9FFFh  |   On   |   On   |     Off     | On  | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | CA000h-CBFFFh  |  Off   |   On   |     Off     | On  | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | CC000h-CDFFFh  |   On   |  Off   |     Off     | On  | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | D0000h-D1FFFh  |   On   |   On   |     On      | Off | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | D2000h-D3FFFh  |  Off   |   On   |     On      | Off | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | D4000h-D5FFFh  |   On   |  Off   |     On      | Off | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | D6000h-D7FFFh  |  Off   |  Off   |     On      | Off | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | D8000h-D9FFFh  |   On   |   On   |     Off     | Off | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | DA000h-DBFFFh  |  Off   |   On   |     Off     | Off | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | DC000h-DDFFFh  |   On   |  Off   |     Off     | Off | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | DE000h-DFFFFh  |  Off   |  Off   |     Off     | Off | On  |
   |----------------+--------+--------+-------------+-----+-----|
   | E0000h-E1FFFh  |   On   |   On   |     On      | On  | Off |
   |----------------+--------+--------+-------------+-----+-----|
   | E0000h-E3FFFh  |  Off   |   On   |     On      | On  | Off |
   |----------------+--------+--------+-------------+-----+-----|
   | E4000h-E5FFFh  |   On   |  Off   |     On      | On  | Off |
   |----------------+--------+--------+-------------+-----+-----|
   | E6000h-E7FFFh  |  Off   |  Off   |     On      | On  | Off |
   |----------------+--------+--------+-------------+-----+-----|
   | E8000h-E9FFFh  |   On   |   On   |     Off     | On  | Off |
   |----------------+--------+--------+-------------+-----+-----|
   | EA000h-EBFFFh  |  Off   |   On   |     Off     | On  | Off |
   |----------------+--------+--------+-------------+-----+-----|
   | EC000h-EDFFFh  |   On   |  Off   |     Off     | On  | Off |
   |----------------+--------+--------+-------------+-----+-----|
   | EE000h-EFFFFh  |  Off   |  Off   |     Off     | On  | Off |
   |------------------------------------------------------------|
   | Note: Addresses in the range from C0000h-EE000h are for AT |
   | only.                                                      |
   +------------------------------------------------------------+