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ISI1508PC

MULTI-TECH SYSTEMS, INC.

ISI1508PC

Card Type

Serial controller

Chipset/Controller

Unidentified

I/O Options

Serial ports (8)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

DB-78 connector

CN1

I/O ADDRESS SELECT (REVISION A)

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

200h

Off

Off

Off

Off

Off

Off

Off

On

 

100h

Off

Off

Off

Off

Off

Off

On

Off

 

108h

Off

On

Off

Off

Off

Off

Off

Off

 

110h

Off

Off

On

Off

Off

Off

On

Off

 

118h

Off

On

On

Off

Off

Off

On

Off

 

120h

Off

Off

Off

On

Off

Off

On

Off

 

3D8h

Off

On

On

Off

On

On

On

On

 

3E0h

On

On

On

Off

Off

Off

Off

Off

 

3E8h

Off

On

Off

On

On

On

On

On

 

3F0h

Off

Off

On

On

On

On

On

On

 

3F8h

Off

On

On

On

On

On

On

On

Note:A total of 96 address settings are available. The switches are a binary representation of the decimal addresses. Switch 1 is the Least Significant bit and switch 8 is the Most Significant bit. The switches have the following decimal values: switch 1=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn Off the switches and add the values of the Off switches to obtain the correct address.

I/O ADDRESS SELECT (REVISION B)

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

200h

Off

Off

Off

Off

Off

Off

On

Off

 

100h

Off

Off

Off

Off

Off

On

Off

Off

 

108h

On

Off

Off

Off

Off

On

Off

Off

 

110h

Off

On

Off

Off

Off

On

Off

Off

 

118h

On

On

Off

Off

Off

On

Off

Off

 

120h

Off

Off

On

Off

Off

On

Off

Off

 

3D8h

On

On

Off

On

On

On

On

Off

 

3E0h

Off

Off

On

On

On

On

On

Off

 

3E8h

On

Off

On

On

On

On

On

Off

 

3F0h

Off

On

On

On

On

On

On

Off

 

3F8h

On

On

On

On

On

On

On

Off

Note:A total of 96 address settings are available. The switches are a binary representation of the decimal addresses. Switch 1 is the Least Significant bit and switch 8 is the Most Significant bit. The switches have the following decimal values: switch 1=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn Off the switches and add the values of the Off switches to obtain the correct address.

INTERRUPT SELECT

IRQ

J1/A

J1/B

J1/C

J1/D

J1/E

J1/F

IRQ3

Open

Closed

Open

Open

Open

Open

 

IRQ2

Closed

Open

Open

Open

Open

Open

 

IRQ4

Open

Open

Closed

Open

Open

Open

 

IRQ5

Open

Open

Open

Closed

Open

Open

 

IRQ6

Open

Open

Open

Open

Closed

Open

 

IRQ7

Open

Open

Open

Open

Open

Closed