ARNET CORPORATION

ARNET SYNC

Card Type

I/O controller

Chipset/Controller

Unidentified

I/O Options

Serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Serial port 2

CN1

I/O ADDRESS CONFIGURATION

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

»

388h

Off

On

On

On

Off

Off

Off

On

 

100h

On

On

On

On

On

Off

On

On

 

120h

On

On

Off

On

On

Off

On

On

 

140h

On

On

On

Off

On

Off

On

On

 

168h

Off

On

Off

Off

On

Off

On

On

 

200h

On

On

On

On

On

On

Off

On

 

2C0h

On

On

On

Off

Off

On

Off

On

 

2D0h

On

Off

On

Off

Off

On

Off

On

 

2F8h

Off

Off

Off

Off

Off

On

Off

On

 

300h

On

On

On

On

On

Off

Off

On

 

310h

On

Off

On

On

On

Off

Off

On

 

380h

On

On

On

On

Off

Off

Off

On

 

3A0h

On

On

Off

On

Off

Off

Off

On

 

3A8h

Off

On

Off

On

Off

Off

Off

On

 

3F8h

Off

Off

Off

Off

Off

Off

Off

On

INTERRUPT SELECT

IRQ

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

SW2/7

SW2/8

SW2/9

SW2/10

2

On

Off

Off

Off

Off

Off

Off

Off

Off

Off

3

Off

On

Off

Off

Off

Off

Off

Off

Off

Off

4

Off

Off

On

Off

Off

Off

Off

Off

Off

Off

5

Off

Off

Off

On

Off

Off

Off

Off

Off

Off

6

Off

Off

Off

Off

On

Off

Off

Off

Off

Off

7

Off

Off

Off

Off

Off

On

Off

Off

Off

Off

DTR CONFIGURATION

Setting

J2

J4

»

DTR selected from 8530

Pins 1 & 2 closed

Pins 1 & 2 closed

 

DTR selected from I/O latch

Pins 2 & 3 closed

Pins 2 & 3 closed

FACTORY CONFIGURED SETTINGS

Jumper

Setting

J1

Pins 2 & 3 closed

J3

Pins 2 & 3 closed