UNIDENTIFIED
SIC-025I
|
Card Type |
Serial Card |
|
Chipset/Controller |
Unidentified |
|
I/O Options |
Serial ports (2) |
|
Maximum DRAM |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
25-pin serial port 1 |
CN1 |
10-pin serial port 2 (optional) |
Unidentified |
|
SERIAL PORT 1 ADDRESS SELECTION | ||
|
Port 1 (J1) |
SW1/1 |
SW1/3 |
|
1F8-1FFh |
Off |
On |
|
3F8-3FFh |
On |
Off |
|
Disabled |
On |
On |
|
SERIAL PORT 2 ADDRESS SELECTION | ||
|
Port 1 (J2) |
SW1/2 |
SW1/4 |
|
2F8-2FFh |
On |
Off |
|
Unidentified |
Off |
On |
|
Disabled |
On |
On |
|
Note: The alternate address setting for serial port 2 is unidentified. | ||
|
SERIAL PORT 1 INTERRUPT SELECTION | ||
|
IRQ |
SW1/5 |
SW1/6 |
|
IRQ3 |
Off |
On |
|
IRQ4 |
On |
Off |
|
Disabled |
Off |
Off |
|
Note: Do not set both SW1/5 and SW1/6 to On. | ||
|
SERIAL PORT 2 INTERRUPT SELECTION | ||
|
IRQ |
SW1/7 |
SW1/8 |
|
IRQ3 |
Off |
On |
|
IRQ4 |
On |
Off |
|
Disabled |
Off |
Off |
|
Note: Do not set both SW1/7 and SW1/8 to On. | ||