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  1. #1
    dlisle20
    Guest
    Question 17" powerbook cache
    I have seen on my old 1GHZ 17" Powerbook it says '1MB L3 Cache' under the processor speed, and on my new one it has only 512K of L2 Cache, what it cache? Does it matter my new one has less? thanks

  2. #2
    Lasha
    Guest
    Your new one doesn't have "less" cache because they are at different levels. Cache sort of like "ram" for the processor, I guess....it just makes it run smoother. Somebody care to give a more technical explanation?

  3. #3
    Haddy
    Guest
    Cache - where information is stored before it goes to the processor
    Ram - where commonly accessed info is stored for quicker reference

    As far as the different levels Id be curious to know about that myself...

    /me runs off to google...

  4. #4

    deus_ex_machina's Avatar
    Member Since
    Aug 06, 2004
    Location
    Tejas
    Posts
    1,713
    Specs:
    2GHz Mac Mini 2GB RAM 160GB 10.6.2 | MDD DP 1.25GHz G4 1.5GB RAM 10.4.11 | 233MHz iMac G3 10.3.9
    http://searchsmb.techtarget.com/sDef...212451,00.html
    apparently having levels of cache memory onboard lessens time it has to search thru RAM. Having three levels, the last being 1 MB, would be better than two.

  5. #5

    deus_ex_machina's Avatar
    Member Since
    Aug 06, 2004
    Location
    Tejas
    Posts
    1,713
    Specs:
    2GHz Mac Mini 2GB RAM 160GB 10.6.2 | MDD DP 1.25GHz G4 1.5GB RAM 10.4.11 | 233MHz iMac G3 10.3.9
    thought this was interesting to append...didn't know the reason behind cache...
    http://www.webopedia.com/TERM/C/cache.htm

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