ACB 56 IO card Settings and Configuration
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 |
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