SEALEVEL SYSTEMS, INC.
VERSA COMM+4/EX
Card Type |
Serial card |
Chip Set |
Unidentified |
Maximum Onboard Memory |
Unidentified |
I/O Options |
Serial ports (4 RS-232 via DB 37 connector) |
Hard Drives supported |
None |
Floppy drives supported |
None |
Data Bus |
16-bit ISA |
Card Size |
Full-length, full-height |
CONNECTIONS | |
Function |
Label |
Serial Port |
P3 |
PORT ADDRESS SELECTION | ||||||
Port 1 |
Port 2 |
Port 3 |
Port 4 |
SW1/6 |
SW1/7 |
SW1/8 |
3F8h |
2F8h |
3E8h |
2E8h |
On |
On |
Off |
2F8h |
3E8h |
2E8h |
2E0h |
On |
Off |
On |
3E8h |
2E8h |
280h |
288h |
On |
Off |
Off |
500h |
508h |
510h |
518h |
Off |
On |
On |
580h |
588h |
590h |
598h |
Off |
On |
Off |
1500h |
1508h |
1510h |
1518h |
Off |
Off |
On |
3220h |
3228h |
4220h |
4228h |
Off |
Off |
Off |
Note: Use either the port address selection or the base I/O address selection. When using the port address selection, switches 1-5 must be off. |
BASE I/O ADDRESS SELECTION | ||||||
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 | |
1A0h |
On |
Off |
Off |
On |
Off | |
» |
280h |
Off |
On |
Off |
On |
On |
2A0h |
Off |
On |
Off |
On |
Off | |
2E0h |
Off |
On |
Off |
Off |
Off | |
380h |
Off |
Off |
Off |
On |
On | |
Note: When using the base I/O address selection, switches 6-8 must be on. |
SERIAL PORT 1 INTERRUPT SELECTION | |||||||||||
IRQ |
J1B/A |
J1B/B |
J1B/C |
J1B/D |
J1B/E |
J1B/F |
J1B/G |
J1B/H |
J1B/I |
J1B/J | |
3 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
4 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
» |
5 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
6 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open | |
7 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open | |
9 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
10 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
11 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
12 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
SERIAL PORT 2 INTERRUPT SELECTION | |||||||||||
IRQ |
J2B/A |
J2B/B |
J2B/C |
J2B/D |
J2B/E |
J2B/F |
J2B/G |
J2B/H |
J2B/I |
J2B/J | |
3 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
4 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
» |
5 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
6 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open | |
7 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open | |
9 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
10 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
11 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
12 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
SERIAL PORT 3 INTERRUPT SELECTION | |||||||||||
IRQ |
J3B/A |
J3B/B |
J3B/C |
J3B/D |
J3B/E |
J3B/F |
J3B/G |
J3B/H |
J3B/I |
J3B/J | |
3 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
4 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
» |
5 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
6 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open | |
7 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open | |
9 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
10 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
11 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
12 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
SERIAL PORT 4 INTERRUPT SELECTION | |||||||||||
IRQ |
J4B/A |
J4B/B |
J4B/C |
J4B/D |
J4B/E |
J4B/F |
J4B/G |
J4B/H |
J4B/I |
J4B/J | |
3 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
4 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
» |
5 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
6 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open | |
7 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open | |
9 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
10 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
11 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
12 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
SERIAL INTERRUPT MODE SELECTION PORT 1 | ||
IRQ |
J1A | |
Normal interrupt mode |
Pins 1 & 2 closed | |
Shared interrupt mode |
Pins 2 & 3 closed | |
» |
Shared interrupt mode with pull down resistor |
Pins 3 & 4 closed |
SERIAL INTERRUPT MODE SELECTION PORT 2 | ||
IRQ |
J2A | |
Normal interrupt mode |
Pins 1 & 2 closed | |
» |
Shared interrupt mode |
Pins 2 & 3 closed |
Shared interrupt mode with pull down resistor |
Pins 3 & 4 closed |
SERIAL INTERRUPT MODE SELECTION PORT 3 | ||
IRQ |
J3A | |
Normal interrupt mode |
Pins 1 & 2 closed | |
» |
Shared interrupt mode |
Pins 2 & 3 closed |
Shared interrupt mode with pull down resistor |
Pins 3 & 4 closed |
SERIAL INTERRUPT MODE SELECTION PORT 4 | ||
IRQ |
J4A | |
Normal interrupt mode |
Pins 1 & 2 closed | |
» |
Shared interrupt mode |
Pins 2 & 3 closed |
Shared interrupt mode with pull down resistor |
Pins 3 & 4 closed |
CLOCK MODE SELECTION | |
Divide |
J5 |
1 |
Pins 1 & 2 closed |
2 |
Pins 3 & 4 closed |
4 |
Pins 5 & 6 closed |