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# EVEREX SYSTEMS, INC.
MAGIC I/O EV170D (VER. 1.0)
Card Type Multi-I/O card
Chip Set Unidentified
Maximum Onboard None
Memory
I/O Options Game port, parallel port, serial ports (2)
Data Bus 8-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| Game port | J1 | Serial port 1 | J3 |
|----------------------+-------+---------------------+-------|
| Serial port 2 | J2 | Parallel port | J4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+---------+--------------|
| » | 8-bit IBM PC/XT slot disabled | CARDSEL | Unidentified |
|---+-------------------------------+---------+--------------|
| | 8-bit IBM PC/XT slot enabled | CARDSEL | Unidentified |
|---+-------------------------------+---------+--------------|
| » | Clock/calendar enabled | CLKEN | Closed |
|---+-------------------------------+---------+--------------|
| | Clock/calendar disabled | CLKEN | Open |
|---+-------------------------------+---------+--------------|
| » | Game port enabled | GE | Closed |
|---+-------------------------------+---------+--------------|
| | Game port disabled | GE | Open |
|---+-------------------------------+---------+--------------|
| » | Printer mode | PIO | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+---------+--------------|
| | General purpose I/O | PIO | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+---------+--------------|
| » | Factory configured - do not | SC1 | N/A |
| | alter | | |
|---+-------------------------------+---------+--------------|
| » | Factory configured - do not | SC2 | N/A |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | LPTSEL |
|-----------------------------+------------------------------|
| » | LPT2 (278h) | Pins 1 & 2 closed |
|---+-------------------------+------------------------------|
| | LPT3 (3BCh) | Pins 3 & 4 closed |
|---+-------------------------+------------------------------|
| | Disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|-----------------+----------+----------+----------+---------|
| » | COM1 (3F8h) | On | Off | Off | Off |
|---+-------------+----------+----------+----------+---------|
| | COM2 (2F8h) | Off | On | Off | Off |
|---+-------------+----------+----------+----------+---------|
| | COM3 (3E8h) | Off | Off | On | Off |
|---+-------------+----------+----------+----------+---------|
| | COM4 (2E8h) | Off | Off | Off | On |
|---+-------------+----------+----------+----------+---------|
| | Disabled | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
|-----------------+----------+----------+----------+---------|
| | COM1 (3F8h) | On | Off | Off | Off |
|---+-------------+----------+----------+----------+---------|
| » | COM2 (2F8h) | Off | On | Off | Off |
|---+-------------+----------+----------+----------+---------|
| | COM3 (3E8h) | Off | Off | On | Off |
|---+-------------+----------+----------+----------+---------|
| | COM4 (2E8h) | Off | Off | Off | On |
|---+-------------+----------+----------+----------+---------|
| | Disabled | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAGIC I/O SELECTION |
|------------------------------------------------------------|
| Setting | CLKINT/A | CLKINT/B | CLKINT/C |
|------------------+-------------+-------------+-------------|
| | IRQ2 | Open | Closed | Open |
|---+--------------+-------------+-------------+-------------|
| | IRQ5 | Open | Closed | Open |
|---+--------------+-------------+-------------+-------------|
| | IRQ7 | Closed | Open | Open |
|---+--------------+-------------+-------------+-------------|
| » | Disabled | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SI1/A | SI1/B | SI1/C | SI1/D |
|----------+------------+------------+-----------+-----------|
| | IRQ2 | Open | Open | Open | Pins 1 & |
| | | | | | 2 closed |
|---+------+------------+------------+-----------+-----------|
| | IRQ3 | Pins 1 & 2 | Open | Open | Open |
| | | closed | | | |
|---+------+------------+------------+-----------+-----------|
| » | IRQ4 | Open | Pins 1 & 2 | Open | Open |
| | | | closed | | |
|---+------+------------+------------+-----------+-----------|
| | IRQ5 | Open | Open | Pins 1 & | Open |
| | | | | 2 closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SI1/A | SI1/B | SI1/C | SI1/D |
|----------+------------+------------+-----------+-----------|
| | IRQ2 | Open | Open | Open | Pins 2 & |
| | | | | | 3 closed |
|---+------+------------+------------+-----------+-----------|
| | IRQ3 | Pins 2 & 3 | Open | Open | Open |
| | | closed | | | |
|---+------+------------+------------+-----------+-----------|
| » | IRQ4 | Open | Pins 2 & 3 | Open | Open |
| | | | closed | | |
|---+------+------------+------------+-----------+-----------|
| | IRQ5 | Open | Open | Pins 2 & | Open |
| | | | | 3 closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FORCE-TRUES PORT 1 CONFIGURATION |
|------------------------------------------------------------|
| Setting | SCH1/A | SCH1/B | SCH1/C | SCH1/D |
|---------+------------+------------+------------+-----------|
| DSR | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| CTS | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| DCD | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| RI | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & |
| | closed | closed | closed | 2 closed |
|------------------------------------------------------------|
| Note: The above function disables the force-true |
| options. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FORCE-TRUES PORT 2 CONFIGURATION |
|------------------------------------------------------------|
| Setting | SCH2/A | SCH2/B | SCH2/C | SCH2/D |
|---------+------------+------------+------------+-----------|
| DSR | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| CTS | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| DCD | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| RI | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & |
| | closed | closed | closed | 2 closed |
|------------------------------------------------------------|
| Note: The above function disables the force-true |
| options. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | PTRINT |
|----------------------------+-------------------------------|
| » | IRQ7 | Pins 1 & 2 closed |
|-----+----------------------+-------------------------------|
| | IRQ5 | Pins 2 & 3 closed |
+------------------------------------------------------------+