IBM SG24-4576-00 manual Off, On OFF

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.

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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