MULTI-TECH SYSTEMS, INC.
ISI4608PC
Card Type | Serial card |
Chip Set | Unidentified |
Maximum Onboard Memory | Unidentified |
I/O Options | Serial ports (8) via octopus cable |
Hard Drives supported | None |
Floppy drives supported | None |
Data Bus | 16-bit ISA |
Card Size | Three-quarter length, full-height |

CONNECTIONS | |
Function | Label |
72 pin connector | CN1 |
BASE I/O ADDRESS SELECTION | |||||||||
Setting | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 | |
100h | On | On | On | On | On | Off | On | On | |
108h | Off | On | On | On | On | Off | On | On | |
110h | On | Off | On | On | On | Off | On | On | |
118h | Off | Off | On | On | On | Off | On | On | |
120h | On | On | Off | On | On | Off | On | On | |
128h | Off | On | Off | On | On | Off | On | On | |
| » | 200h | On | On | On | On | On | On | Off | On |
3D8h | Off | Off | On | Off | Off | Off | Off | On | |
3E0h | On | On | Off | Off | Off | Off | Off | On | |
3E8h | Off | On | Off | Off | Off | Off | Off | On | |
3F0h | On | Off | Off | Off | Off | Off | Off | On | |
3F8h | Off | Off | Off | Off | Off | Off | Off | On | |
Note: A total of 255 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/8=1024, SW1/7=512, SW1/6=256, SW1/5=128, SW1/4=64, SW1/3=32, SW1/2=16, SW1/1=8. Turn off the switches and add the values of the switches to obtain the correct memory address. (Off=1, On=0) | |||||||||
SERIAL PORT INTERRUPT SELECTION | ||
IRQ | JP1 | |
2 | Pins 1 & 2 closed | |
| » | 3 | Pins 3 & 4 closed |
4 | Pins 5 & 6 closed | |
5 | Pins 7 & 8 closed | |
7 | Pins 9 & 10 closed | |
10 | Pins 11 & 12 closed | |
11 | Pins 13 & 14 closed | |
12 | Pins 15 & 16 closed | |
15 | Pins 17 & 18 closed | |