IBM Support

System board jumper settings - PC Server 310

Troubleshooting


Problem

The following tables contain the jumper setting information. (D) indicates the default setting.

Resolving The Problem


Jumper Settings

The following tables contain the jumper setting information. (D) indicates the default setting.

Jumper

MRD




WP





Cache


J101



PWD
Setting

2-3 (D)

1-2


2-3 (D)


1-2


1-2 (D)
2-3

1-2 (D)

2-3

1-2 (D)
2-3
Description

Modem answer on ring

Modem no answer
on ring

Enable writing to diskette


Disable writing to diskette


256KB Cache
1MB Cache

2/3 Bus/Core Ratio

1/2 Bus/Core Ratio

Password enabled
Password reset.


Bus/CPU Speed MHz Settings
The following table contains the Bus/CPU Speed Settings

Jumper


J26
J27
50/75


2-3
2-3
60/90
60/120

2-3
1-2
66/100
66/133

1-2
1-2

Document Location

Worldwide

Operating System

Older System x:Operating system independent / None

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Document Information

Modified date:
23 January 2019

UID

ibm1DDSE-44JQYK