I read in a magazine that windows XP does not always utilize the full L2 cache.
It said to check in the registry editor HKEY_LOCAL_MACHINE\SYSTEM\CUREENTCONTROLSET\CONTROL\SESSION MANAGER\MEMORY MANAGEMENT and find the SecondLevelData cache DWORD value. It said the number in parentheses should be the CPU's L2 cache size. Is this correct????? Mine says 0, so I hope that it is!!! Please help!

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Barton 2500 @ 2.2 ghz
Abit NF7-S V 2.0
2-256 MB Corsair XMS PC-3200
120GB Western Digital
ATI AIW Radeon 7500
16X DVD/ 52X CD-RW Combo
4x NEC DVD-+RW

To me it looks like "0" = Auto Detect.

(Default AutoDetect - 0)
Note newer processors like the AMD K6-2 and Pentium2 are using set-associative 2nd Level cache and are detected properly. Force setting the second level cache for such CPUs will probably do more harm than good.

found that on ...
http://snakefoot.fateback.com/tweak/winnt/tweak.html' ">http://snakefoot.fateback.com/tweak/winnt/tweak.html