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i’m still investigating what’s actually going on here, but i’ve noticed that after installing developer tools on my powerbook g4, a hardware preference pane has appeared in my system preferences. interestingly, opening this pane revealed that my L2 cache had been set to none by default. i’m no computer engineer, but it seems logical to me that if my processor has an L2 cache, turning it on (setting that option to “512 kb”) would be a useful action.

and indeed, after rebooting, i perceive things to be moving slightly more quickly. (although, it’s difficult to separate the effects of turning on this cache from the effects of simply rebooting and clearing out swap files, etc.) nevertheless, i’d give this a try if you’ve got a g4 processor and are hoping for some increased speed, without having to spring for a new intel-based mac.

[update] you know what: scratch this one. i’m thinking it doesn’t work; i notice that changing the L2 cache setting to “512KB” doesn’t stick. reopening the hardware pane after making the adjustment always shows “none” for L2 cache.

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if that was helpful ...

check out the other tips and tricks i've compiled on these pages. you might learn something else interesting!

2 Responses to “how to speed up your g4 powerbook (potentially)”

  1. on 09 Nov 2008 at 4:48 am nikhil

    um… ok
    it was all in your mind.

  2. on 13 Nov 2008 at 8:28 pm VidMad

    Turn on L2 cache, reboot, check that it did not “stick”, notice it’s a little faster… maybe not.

    Yes, this was helpful… have any tips and tricks to waste time?

Did I get this wrong? Let me know!

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