Help with an AMD XP processor please

kcporshe959

Junior Member
Jan 15, 2005
2
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Well a while back, i saw a link on another message board site about somewhere that said xp only utilizies 256k of the 512k l2 cache on an amd xd processor. I just went into everest, and it is true xp is only using 1/2 of the l2 cache on my AMD XP. Anyone have a link/tell me how to do it again? All i remember is that it was a value very deep(in lots of folders) in the registry you had to change. Thanks!
 

Kogan

Golden Member
Mar 21, 2000
1,331
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Make sure you really have 512k l2 cache first :) I tried this on my 256kcache xp thoroughbred and it causes random errors in windows. I think only the Barton core XP processors have 512k l2 cache.

 

BlueWeasel

Lifer
Jun 2, 2000
15,944
475
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Originally posted by: FrustratedUser
Originally posted by: BlueWeasel
Is this what you need?

Note: This tweak is only useful for older processors with the cache located external to the CPU.

So will this work on Bartons ?

It seems to work fine on my system, FU (512k L2 XP mobile). I use a program called XP Manager, and there is an option to change the cache size to match current CPU's from within inside the program. It definately won't hurt to try.
 

yuchai

Senior member
Aug 24, 2004
980
2
76
Note: This tweak is only useful for older processors with the cache located external to the CPU.

I thought the Athlon XP's cache is within the CPU.