ISI552PC IO card Settings and Configuration

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 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)

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ISI552PC IO card Settings and Configuration

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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 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)