SEALEVEL SYSTEMS, INC.
ACB 56
Card Type |
Serial card |
Chip Set |
Unidentified |
Maximum Onboard Memory |
Unidentified |
I/O Options |
Serial ports (2) |
Hard Drives supported |
None |
Floppy drives supported |
None |
Data Bus |
16-bit ISA |
Card Size |
Full-length, full-height |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
Serial Port 1 (V.35) |
P3 |
Serial Port 2 (RS-232) |
P4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Factory configured - do not alter |
E2 |
Unidentified |
» |
Factory configured - do not alter |
E3 |
Unidentified |
» |
Factory configured - do not alter |
E4 |
Unidentified |
» |
Factory configured - do not alter |
E8 |
Unidentified |
» |
Port 2 enabled |
E9 |
Closed |
Port 2 disabled |
E9 |
Open | |
» |
Port 1 enabled |
E10 |
Closed |
Port 1 disabled |
E10 |
Open | |
» |
Factory configured - do not alter |
E11 |
Unidentified |
Note: The size and orientation of E2, E3, E4, E8, and E11 is unidentified. |
BASE I/O ADDRESS SELECTION | ||||||||
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 | |
» |
238h |
Off |
On |
On |
On |
Off |
Off |
Off |
280h |
Off |
On |
Off |
On |
On |
On |
On | |
2A0h |
Off |
On |
Off |
On |
Off |
On |
On | |
2E8h |
Off |
On |
Off |
Off |
Off |
On |
Off | |
300h |
Off |
Off |
On |
On |
On |
On |
On | |
328h |
Off |
Off |
On |
On |
Off |
On |
Off | |
3E8h |
Off |
Off |
Off |
Off |
Off |
On |
Off |
SERIAL PORT INTERRUPT SELECTION | ||||||||||
IRQ |
E6/A |
E6/B |
E6/C |
E6/D |
E6/E |
E6/F |
E6/G |
E6/H |
E6/I | |
2/9 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
3 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
4 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open | |
» |
5 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
7 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
10 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
11 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
12 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
SERIAL INTERRUPT MODE SELECTION | |||
IRQ |
E6/J |
E6/K | |
» |
Normal interrupt mode |
Closed |
Open |
Shared interrupt mode |
Open |
Closed |
DMA TRI-STATE DRIVER MODE | ||
Mode |
E7/G |
E7/H |
DMA -State drivers permanently enabled |
Closed |
Open |
DMA Tri-State drivers enabled by status/control port bit 7 |
Open |
Closed |
DMA disabled |
Open |
Open |
DMA CHANNEL SELECTION (HALF-DUPLEX) | ||||||
Channel |
E1/A |
E1/B |
E1/C |
E1/D |
E1/E |
E1/F |
1 |
Open |
Open |
Open |
Closed |
Open |
Closed |
3 |
Open |
Open |
Open |
Closed |
Closed |
Open |
Note: DMA must be enabled by setting the DMA Tri-State driver mode. |
DMA CHANNEL SELECTION (HALF-DUPLEX) (CON’T) | ||||||
Channel |
E7/A |
E7/B |
E7/C |
E7/D |
E7/E |
E7/F |
1 |
Open |
Open |
Open |
Closed |
Open |
Open |
3 |
Open |
Closed |
Open |
Open |
Open |
Open |
DMA CHANNEL SELECTION (FULL DUPLEX) | |||||||
Channel |
E1/A |
E1/B |
E1/C |
E1/D |
E1/E |
E1/F | |
1 Receive/3 Transmit data |
Closed |
Open |
Open |
Closed |
Open |
Open | |
» |
1 Transmit/3 Receive data |
Closed |
Open |
Open |
Closed |
Open |
Open |
Note: DMA must be enabled by setting the DMA Tri-State driver mode. |
DMA CHANNEL SELECTION (FULL DUPLEX) (CON’) | |||||||
Channel |
E7/A |
E7/B |
E7/C |
E7/D |
E7/E |
E7/F | |
1 Receive/3 Transmit data |
Closed |
Open |
Open |
Closed |
Open |
Closed | |
» |
1 Transmit/3 Receive data |
Open |
Closed |
Closed |
Open |
Open |
Closed |
CLOCK INPUT MODES | |
MODE |
E5 |
Normal receive |
Pins 1 & 2 closed |
Inverted receive |
Pins 3 & 4 closed |
Normal transmit |
Pins 5 & 6 closed |
Inverted transmit |
Pins 7 & 8 closed |
Transmit clock input enabled |
Pins 9 & 10 closed |