DIGITAL COMMUNICATIONS ASSOCIATES, INC.
IRMA 2-ISA
|
Category |
Serial communications adapter |
|
Chipset Controller |
Unidentified |
|
I /O Options Supported |
Serial port |
|
Maximum Onboard Memory |
N/A |
|
CONNECTIONS |
|
|
Purpose |
Location |
|
Serial port - coaxial |
CN1 |
|
220H BASE ADDRESS |
||
|
Setting |
SW1/2 |
|
|
Enabled |
On |
|
|
|
Disabled |
Off |
|
I/O ADDRESS |
|||
|
Address |
SW1/3 |
SW1/4 |
|
|
280h |
On |
On |
|
|
|
2A0h |
On |
Off |
|
|
2C0h |
Off |
On |
|
|
300h |
Off |
Off |
|
INTERRUPT SELECT |
|||
|
IRQ |
SW1/5 |
SW1/6 |
|
|
IRQ2 |
On |
On |
|
|
|
IRQ3 |
On |
Off |
|
|
IRQ4 |
Off |
On |
|
|
IRQ7 |
Off |
Off |
|
FACTORY CONFIGURED SETTINGS |
|
|
Switch |
Setting |
|
SW1/1 |
Off |
|
MISCELLANEOUS TECHNICAL NOTES |
|
The location of SW1 is not specified in manufacturer's documentation. |