DIGITAL COMMUNICATION ASSOCIATES, INC.
INTELLIGENT SYNCHRONOUS COMMUNICATIONS ADAPTER
Card Type |
I/O controller |
Chipset/Controller |
Texas Instruments |
I/O Options |
Serial port |
Maximum DRAM |
N/A |
CONNECTIONS | |
Purpose |
Location |
Serial port |
CN1 |
I/O ADDRESS CONFIGURATION | |||||
Address |
JB2/A |
JB2/B |
JB2/C |
JB2/D | |
380h |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
370h |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
378h |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
388h |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
390h |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
398h |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
3A0h |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
INTERRUPT SELECT | ||||
IRQ |
JB1/A |
JB1/B |
JB1/C | |
IRQ3 |
Closed |
Open |
Open | |
IRQ4 |
Open |
Closed |
Open | |
IRQ7 |
Open |
Open |
Closed |
DMA CONFIGURATION | |||||
DRQ |
DACK |
JB1/D |
JB1/E |
JB1/F |
JB1/G |
1 |
1 |
Closed |
Open |
Closed |
Open |
1 |
3 |
Closed |
Open |
Open |
Closed |
3 |
1 |
Open |
Closed |
Closed |
Open |
3 |
3 |
Open |
Closed |
Open |
Closed |
FACTORY CONFIGURED SETTINGS | |
Jumper |
Setting |
J4 |
Pins 1 & 2 closed |
J5 |
Pins 1 & 2 closed |
J7 |
Closed |