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READ the ReadMe file in the download BEFORE using this software

Cache Control X allows you to view and configure your backside cache settings. The included utilities allow you to enable or disable the cache "on the fly", change the speed at which your backside cache operates and automatically enable the cache at this speed at boot time. There are also options to disable speculative access (a problem with OldWorld machines that originally did not ship with a G3 or G4 processor) and enable dynamic power management. Altivec support is also automatically enabled.


Mac OS X 10.1.5 or later

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Nite Member IconComment+0

It does what it needs to, easily and without any "hassles". And the L2 cache *really* matters :)

I have a 7500 with G3 366Mhz/1Mb and it's really painfully slow under Mac OS X Server 10.2 with the cache enabled :)

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Version 2.1b4
phripley Member Icon+6

Wow am i glad I found this!

I am running OSX on an old 8550 with a Newer G3/250 upgrade card enabled through XPostFacto.

I was psyched that this worked at all whatever the speed.

Installing CacheControl X has re-enbled the 512KB cache on the upgrade card and the machine is soooo much more responsive.

My only wish is for improved documentation.

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Version 1.1b3
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> 5 0


Current Version (2.x)


Downloads 7,806
Version Downloads 1,439
License Free
Date 18 Sep 2002
Platform OS X / PPC 32
Price Free