PC422/485 IO card Settings and Configuration
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 |
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