Ibm RS/6000 User Manual download pdf (Page 145)

Note

Refer to the

X.25 Interface Co-Processor ISA Adapter Installation Guide

shipped with the adapter for detailed information on this adapter.

6.7.1 DIP-Switch Setting

The X.25 Interface Co-Processor ISA Adapter has a 10-position DIP switch which is

used to set the following parameters:

You do not need to set every DIP switch on the adapter to configure it. The only

DIP switches you have to change are those referring to

Interrupt Level

and

Bus I/O

Address

The DIP switches indicating the

Memory Size

Edge Connector

and

Bus-Width

can

be left in the default position set by the factory.

The following table shows the parameter values you may want to select in order to

define the

Interrupt Level

and the

Bus I/O Address

for a conflict-free configuration

of your first, second and third X.25 Co-Processor Adapters.

Table 23. DIP Switches on the X.25 Interface Co-Processor ISA Adapter

Parameter Switch Number(s)

Interrupt Level 1-2-3

Memory Size 4

Bus I/O Address 5-6-7-8

Edge Connector 9

Bus Width 10

Table 24. X.25 Adapter: DIP-Switch Suggested Settings

Dip

Switch

Position

Comment

First

Adapter

Second

Adapter

Third

Adapter

1 off off on IRQ Level

 First Card: 11

 Second Card: 9

 Third Card: 7

2 on off off

3 off on on

4 on on on Memory Size .a/

5 on off on

I/O Port Address

 First Card: 02A0

 Second Card: 06A0

 Third Card: 0AA0

6 on on off

7 on on on

8 on on on

9 on on on Edge Connector .b/

10 on on on Bus-Width .c/

Chapter 6. Adapter and Device Configuration on PCI-Based RS/6000 Servers 121

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