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 |