MULTI-TECH SYSTEMS, INC.
ISI552PC
|
Card Type |
Serial interface |
|
Chipset Controller |
Unidentified |
|
I/O Options |
Serial ports (2) |
|
Maximum Dram |
N/A |
|
CONNECTIONS | |
|
Purpose |
Location |
|
Serial port 1 |
J1 |
|
Serial port 2 |
J2 |
|
FACTORY CONFIGURED-DO NOT ALTER | |
|
Switch |
Setting |
|
SW1/8 |
Off |
|
PORT 1 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 |
|
PORT 1 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 |
|
PORT 1 ADDRESS SELECT | |||||||
|
Address |
SW1/7 |
SW1/6 |
SW1/5 |
SW1/4 |
SW1/3 |
SW1/2 |
SW1/1 |
|
100h |
Off |
Off |
On |
Off |
Off |
Off |
Off |
|
108h |
Off |
Off |
On |
Off |
Off |
Off |
On |
|
110h |
Off |
Off |
On |
Off |
Off |
On |
Off |
|
118h |
Off |
Off |
On |
Off |
Off |
On |
On |
|
2E8h (COM4:) |
On |
Off |
On |
On |
On |
Off |
On |
|
2F8h (COM2:) |
On |
Off |
On |
On |
On |
On |
On |
|
3E0 |
On |
On |
On |
On |
On |
Off |
Off |
|
3E8h (COM3:) |
On |
On |
On |
On |
On |
Off |
On |
|
3F0h |
On |
On |
On |
On |
On |
On |
Off |
|
3F8h (COM1:) |
On |
On |
On |
On |
On |
On |
On |
|
Note: A total of 752 memory base address settings are available. The switches are a binary representation of the decimal addresses. Switch 1 is the Least Significant Bit and switch 7 is the Most Significant Bit. The switches have the following decimal values: switch 1=8, 2=16, 3=32, 4=64, 5=128, 6=256, 7=512. Add the values of the on switches to obtain the correct memory address. (Off=0, On=1) | |||||||
|
PORT 2 ADDRESS SELECT | |||||||
|
Address |
SW2/7 |
SW2/6 |
SW2/5 |
SW2/4 |
SW2/3 |
SW2/2 |
SW2/1 |
|
100h |
Off |
Off |
On |
Off |
Off |
Off |
Off |
|
108h |
Off |
Off |
On |
Off |
Off |
Off |
On |
|
110h |
Off |
Off |
On |
Off |
Off |
On |
Off |
|
118h |
Off |
Off |
On |
Off |
Off |
On |
On |
|
2E8h (COM4:) |
On |
Off |
On |
On |
On |
Off |
On |
|
2F8h (COM2:) |
On |
Off |
On |
On |
On |
On |
On |
|
3E0 |
On |
On |
On |
On |
On |
Off |
Off |
|
3E8h (COM3:) |
On |
On |
On |
On |
On |
Off |
On |
|
3F0h |
On |
On |
On |
On |
On |
On |
Off |
|
3F8h (COM1:) |
On |
On |
On |
On |
On |
On |
On |
|
Note: A total of 752 memory base address settings are available. The switches are a binary representation of the decimal addresses. Switch 1 is the Least Significant Bit and switch 7 is the Most Significant Bit. The switches have the following decimal values: switch 1=8, 2=16, 3=32, 4=64, 5=128, 6=256, 7=512. Add the values of the on switches to obtain the correct memory address. (Off=0, On=1) | |||||||