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# 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
IMG IMG 1
+------------------------------------------------------------+
| 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 & 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. |
+------------------------------------------------------------+