MULTITECH SYSTEMS, INC.
ISI508U
Card Type | Serial card |
Chipset Controller | N/A |
I/O Options | Serial ports (8 on external panel) |
Maximum DRAM | N/A |
CONNECTIONS | |
Purpose | Location |
78-pin serial port connector | CN1 |
I/O BASE ADDRESS SELECTION | |||||||||
Address | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 | |
» | 380h | On | On | On | On | Off | Off | Off | On |
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 | |
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 96 base address settings are available. The switches are a binary representation of the decimal memory addresses. Switch SW1/8 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: switch SW1/1=8, SW1/2=16, SW1/3=32, SW1/4=64, SW1/5=128, SW1/6=256, SW1/7=512, SW1/8=1024. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0) |
INTERRUPT SELECTION | |||||||
IRQ | J1/A | J1/B | J1/C | J1/D | J1/E | J1/F | |
» | 3 | Open | Closed | Open | Open | Open | Open |
2/9 | Closed | Open | Open | Open | Open | Open | |
4 | Open | Open | Closed | Open | Open | Open | |
5 | Open | Open | Open | Closed | Open | Open | |
6 | Open | Open | Open | Open | Closed | Open | |
7 | Open | Open | Open | Open | Open | Closed |