SEALEVEL SYSTEMS, INC.
DUOCOM
|
Card Type |
Serial card |
|
Chip Set |
Unidentified |
|
Maximum Onboard Memory |
Unidentified |
|
I/O Options |
Serial ports (2 RS-232) |
|
Hard Drives supported |
None |
|
Floppy drives supported |
None |
|
Data Bus |
8-bit ISA |
|
Card Size |
Half-length, full-height |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Serial Port 1 |
J1 |
Serial Port 2 |
J2 |
|
BASE I/O ADDRESS SELECTION | ||||||
|
Port 1 |
Port 2 |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 | |
|
3F8h |
2F8h |
On |
On |
On |
Off | |
|
3E8h |
2E8h |
On |
On |
Off |
On | |
|
2F8h |
2E8h |
On |
On |
Off |
Off | |
|
2F8h |
3E8h |
On |
Off |
On |
On | |
|
3220h |
3228h |
On |
Off |
On |
Off | |
|
4220h |
4228h |
On |
Off |
Off |
On | |
|
5220h |
5228h |
On |
Off |
Off |
Off | |
|
5220h |
4220h |
Off |
On |
On |
On | |
|
280h |
290h |
Off |
On |
On |
Off | |
|
300h |
308h |
Off |
On |
Off |
On | |
|
310h |
318h |
Off |
On |
Off |
Off | |
|
280h |
288h |
Off |
Off |
On |
On | |
|
290h |
298h |
Off |
Off |
On |
Off | |
|
300h |
280h |
Off |
Off |
Off |
On | |
|
Disabled |
Disabled |
Off |
Off |
Off |
Off | |
|
SERIAL PORT 1 INTERRUPT SELECTION | ||||||||||
|
IRQ |
E1/A |
E1/B |
E1/C |
E1/D |
E1/E |
E1/F |
E1/G |
E1/H |
E1/I | |
|
IR/FONT> |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
|
IRQ3 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
|
IRQ4 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open | |
|
IRQ5 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open | |
|
IRQ7 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
|
IRQ10 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
|
IRQ11 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
|
IRQ12 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
|
IRQ15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed | |
|
SERIAL PORT 2 INTERRUPT SELECTION | ||||||||||
|
IRQ |
E2/A |
E2/B |
E2/C |
E2/D |
E2/E |
E2/F |
E2/G |
E2/H |
E2/I | |
|
IR/FONT> |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
|
IRQ3 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
|
IRQ4 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open | |
|
IRQ5 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open | |
|
IRQ7 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
|
IRQ10 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
|
IRQ11 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
|
IRQ12 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
|
IRQ15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed | |
|
SERIAL INTERRUPT MODE SELECTION | ||
|
IRQ |
E3 | |
|
Normal |
Pins 1 & 3, 2 & 4 closed | |
|
Shared Interrupt mode |
Pins 3 & 5, 6 & 8 closed | |
|
Shared Interrupt mode when using more than one DUOCOM |
Pins 3 & 5, 4 & 6 closed | |
|
None |
Open | |