System

- IBM Dual Pentium PCI-EISA System Board

Jumper

Name: W1 - Level 1 Cache.

Default factory settings:

OFF

 

Change

settings to:

OFF

 

+-------+

o

o

+-------

+

12

This jumper sets the level 1 (CPU¢s internal) cache to write-back or write-through mode. Install a jumper for write-through mode. Do not jumper for write-back mode. Default is the faster write-back mode.

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Jumper Name: W5

- Level 2

Cache.

 

Default

Change

 

 

factory

settings

 

 

settings:

to:

+---+

 

 

 

 

 

 

o

1

OFF

OFF

 

 

 

o

2

ON

ON

 

 

 

o

3

 

 

+---+

 

This jumper along with W10 selects the level 2 cache size. Jumper pins 1-2 for 256K cache size. Jumper pins 2-3 for 512K cache size. Default is pins 2-3; 512K cache.

=======================================================================

Jumper Name: W6 - CPU clock.

Default factory settings:

ON OFF

Change

settings to:

ON

 

OFF

+-----------

+

o---

o

o

+-----------

+

1

2

3

Jumper pins 1-2 for 90Mhz Pentiums or pins 2-3 for 100Mhz Pentiums.

Default is pins 1-2; 90Mhz Pentiums.

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190NetWare Integration Guide

Page 202
Image 202
IBM SG24-4576-00 manual Off, On OFF