EVEREX SYSTEMS, INC.
MAGIC I/O EV-170/170A
Card Type | Multi I/O |
Chipset/Controller | Krueger Company |
I/O Options | Parallel port, serial ports (2) |
Maximum DRAM | N/A |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Parallel port | CN1 | Serial port 2 | CN3 |
Serial port 1 | CN2 |
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SERIAL PORT CONFIGURATION | |||||
Port 1 (CN2) | SW1/1 | SW1/2 | SW1/3 | SW1/4 | |
| » | COM1 | On | Off | Off | Off |
COM2 | Off | On | Off | Off | |
COM3 | Off | Off | On | Off | |
COM4 | Off | Off | Off | On | |
Disabled | Off | Off | Off | Off | |
SERIAL PORT CONFIGURATION | |||||
Port 2 (CN3) | SW1/5 | SW1/6 | SW1/7 | SW1/8 | |
| » | COM1 | On | Off | Off | Off |
COM2 | Off | On | Off | Off | |
COM3 | Off | Off | On | Off | |
COM4 | Off | Off | Off | On | |
Disabled | Off | Off | Off | Off | |
SERIAL PORT INTERRUPT SELECTION | ||||
Port 1 (CN2) | Port 2 (CN3) | JP5 | JP5 | |
| » | IRQ4 | IRQ3 | Pins 4 & 5 closed | Pins 2 & 3 closed |
IRQ3 | IRQ4 | Pins 1 & 2 closed | Pins 5 & 6 closed | |
IRQ2 | IRQ2 | Pins 10 & 11 closed | Pins 11 & 12 closed | |
IRQ5 | IRQ5 | Pins 7 & 8 closed | Pins 8 & 9 closed | |
SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION | ||||
Port 1 | Port 2 | JP7 | JP8 | |
| » | Normal | Normal | Pins 1 & 2, 4 & 5, 7 & 8 closed | Pins 1 & 2, 4 & 5, 7 & 8 closed |
Forced True | Forced True | Pins 2 & 3, 5 & 6, 8 & 9 closed | Pins 2 & 3, 5 & 6, 8 & 9 closed | |
SERIAL PORT'S DTE/DCE CONFIGURATION | |
Primary serial port CN2 | Secondary serial port CN3 |
Jumper JP9
| Jumper JP10
|
PARALLEL PORT CONFIGURATION | ||
LPT | JP6 | |
| » | 2 | Pins 3 & 6 closed |
1 | Pins 1 & 4 closed | |
3 | Pins 2 & 5 closed | |
Disabled | Open | |
PARALLEL PORT INTERRUPT SELECTION | ||
IRQ | JP1 | |
| » | 7 | Pins 2 & 3 closed |
5 | Pins 1 & 2 closed | |
PARALLEL PORT MODE SELECTION | ||
Mode | JP3 | |
| » | Unidirectional (printer) | Pins 1 & 2 closed |
Bidirectional | Pins 2 & 3 closed | |
CLOCK CONFIGURATION | ||
Setting | JP2 | |
| » | Enabled | Closed |
Disabled | Open | |
CLOCK INTERRUPT SELECTION | ||
IRQ | JP4 | |
| » | Disabled | Open |
5 | Pins 2 & 5 closed | |
7 | Pins 3 & 6 closed | |
2 | Pins 1 & 4 closed | |