DTK COMPUTER, INC.
MINI 286 COURIER I/O CARD
Card Type |
Multi I/O card |
Chipset/Controller |
Unknown |
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 |
SERIAL PORT CONFIGURATION | ||||
Port 1 (CN2) |
Port 2 (CN3) |
JP2 |
JP1 | |
COM1 |
COM2 |
Pins 2 & 3, 4 & 5 closed |
Pins 1 & 2 closed | |
COM2 |
COM1 |
Pins 1 & 2, 5 & 6 closed |
Pins 1 & 2 closed | |
COM3 |
COM4 |
Pins 2 & 3, 4 & 5 closed |
Pins 3 & 4 closed | |
COM4 |
COM3 |
Pins 1 & 2, 5 & 6 closed |
Pins 3 & 4 closed |
SERIAL PORT INTERRUPT SELECT | |||
Port 1 (CN2) |
Port 2 (CN3) |
JP3 | |
IRQ4 |
IRQ3 |
Pins 1 & 2, 5 & 6 closed | |
IRQ3 |
IRQ4 |
Pins 2 & 3, 4 & 5 closed |
PARALLEL PORT INTERRUPT SELECT | ||||
IRQ |
System Type |
JP4 |
JP5 | |
IRQ7 |
AT compatible |
Open |
Pins 3 & 4 closed | |
IRQ5 |
AT compatible |
Closed |
Pins 1 & 2 closed | |
IRQ7 |
XT compatible |
Open |
Pins 3 & 4 closed | |
IRQ7 |
XT compatible |
Closed |
Pins 3 & 4 closed |