BLACK BOX CORPORATION
PC422/485
Card Type |
Serial card |
Chip Set |
Unidentified |
Maximum Onboard Memory |
None |
I/O Options |
Serial port |
Data Bus |
8-bit ISA |
Floppy drives supported |
None |
CONNECTIONS | |
Function |
Label |
25-pin serial port |
J2 |
USER CONFIGURABLE SETTINGS | ||
Function |
Label |
Position |
Serial port select IRQ3 (COM2) |
E1 |
Pins 1 & 2 closed |
Serial port select IRQ4 (COM4) |
E1 |
Pins 2 & 3 closed |
Serial port driver RTS enabled |
E2 |
Closed |
Serial port driver always enabled |
E2 |
Open |
Serial port select XT-J8 slot |
E3 |
Closed |
Serial port select all other slots |
E3 |
Open |
SERIAL PORT ADDRESS SELECTION | ||||||||
Address |
S1/1 |
S1/2 |
S1/3 |
S1/4 |
S1/5 |
S1/6 |
S1/7 |
S1/8 |
238h |
On |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
2B8h |
Off |
On |
Off |
Off |
Off |
Off |
Off |
Off |
338h |
Off |
Off |
On |
Off |
Off |
Off |
Off |
Off |
3B8h |
Off |
Off |
Off |
On |
Off |
Off |
Off |
Off |
278h |
Off |
Off |
Off |
Off |
On |
Off |
Off |
Off |
2F8h |
Off |
Off |
Off |
Off |
Off |
On |
Off |
Off |
378h |
Off |
Off |
Off |
Off |
Off |
Off |
On |
Off |
3F8h |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
On |