UNIDENTIFIED
RS-232 DUAL I/O SHORT CARD
|
Card Type |
Serial controller |
|
Chip Set |
Unidentified |
|
I/O Options |
Serial ports (2) |
|
Hard Drives supported |
None |
|
Floppy drives supported |
None |
|
Data Bus |
8-bit ISA |
|
Card Size |
Half-length |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Serial Port 1 |
CN1 |
Serial Port 2 |
CN2 |
|
SERIAL PORTS CONFIGURATION | ||||||
|
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 | |
| » |
Port 1=COM2 Port 2=COM1 |
Off |
Off |
Off |
Off |
Off |
|
Port 1=COM1 Port 2=disabled |
On |
Off |
Off |
Off |
On | |
|
Port 1=COM2 Port 2=disabled |
Off |
Off |
Off |
Off |
Off | |
|
Port 1=COM1 Port 2=COM2 |
On |
On |
Off |
Off |
On | |
|
Port 1=COM3 Port 2=COM4 |
Off |
Off |
On |
On |
Off | |
|
SERIAL PORTS CONFIGURATION (CON’T) | ||||||
|
Setting |
SW1/6 |
SW1/7 |
SW1/8 |
SW1/9 |
SW1/10 | |
| » |
Port 1=COM2 Port 2=COM1 |
On |
On |
Off |
On |
On |
|
Port 1=COM1 Port 2=disabled |
Off |
Off |
Off |
Off |
Off | |
|
Port 1=COM2 Port 2=disabled |
On |
Off |
Off |
On |
Off | |
|
Port 1=COM1 Port 2=COM2 |
Off |
Off |
On |
Off |
Off | |
|
Port 1=COM3 Port 2=COM4 |
Off |
Off |
Off |
Off |
Off | |
|
SERIAL PORT 1 INTERRUPT SELECTION | ||
|
IRQ |
SW1/5 |
SW1/6 |
|
IRQ4 |
On |
Off |
|
IRQ3 |
Off |
On |
|
SERIAL PORT 2 INTERRUPT SELECTION | ||
|
IRQ |
SW1/7 |
SW1/8 |
|
IRQ3 |
Off |
On |
|
IRQ4 |
On |
Off |
|
MISCELLANEOUS TECHNICAL NOTES |
|
If the computer already has serial ports installed the default settings will not work. |