3 configuring the adapter – IBM RS/6000 User Manual

Page 141

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Notes:

Refer to the document

Adapters, Devices, and Cable Information for Multi

Bus Systems, SA38-0516-00, for detailed information on DIP-switch
positions for setting other parameter values.

The

on and off DIP-switch selections are set by switching them down and

up, respectively. The mapping is:

off = up
on = down

a

This switch is factory set to indicate the size of RAM installed on the

adapter. Verify that the position of this switch is

off to reflect a RAM size of

1 MB.

b

Indicates whether a one-edge (62-pin) or a two-edge (62-pin and

36-pin) connector is used to hold your adapter.
on = two-edged / off = one-edged

c

Sets the bus width and should generally be set to 8-bit.

on = 8-bit / off = 16-bit

Table 22. 4-Port Multiprotocol Adapter: DIP-Switch Suggested Settings

Dip

Switch

#

Position

Comment

First

Adapter

Second
Adapter

Third
Adapter

1

on

off

on

IRQ Level

First Card: 7
Second Card: 9
Third Card: 10

2

off

off

on

3

on

on

off

4

off

off

off

Memory Size

a

5

off

off

off

I/O Port Address

First Card: 06A0
Second Card: 0EA0
Third Card: 016A0

6

on

off

on

7

on

on

off

8

on

on

on

9

on

on

on

Edge Connector

b

10

off

off

off

Bus-Width

c

6.6.3 Configuring the Adapter

The following procedures apply to every PCI-based RS/6000 system that support
the 4-Port Multi-Protocol ISA Adapter.

The configuration for this adapter requires you to specify the

Interrupt Level, the

Bus I/O Address and the Bus Memory Address to be used with the adapter.

1. Check if there are any ISA adapters that are already installed in your computer

by using the following command:

lsdev -Cc adapter -s isa

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

117

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