RAM Recommendations/Help

Discussion in 'Buying Tips, Advice and Discussion (archive)' started by Mr. Anderson, Apr 24, 2005.

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  1. Mr. Anderson, Apr 24, 2005

    Mr. Anderson Moderator emeritus

    Mr. Anderson

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    #1
    Ok, so I have an older dual 1.25 GHz G4 with only 512 RAM. It has 4 slots with only one used....I'd like to get some more RAM since I'll be using this machine for a bit and was wondering what type to get and how much extra...should I get two 512s or 3? (I seem to remember that the G4s could only use 1.5 Gig max, but I may be mistaken, especially with Tiger when I install it on this machine next week).

    Also, what type do I need? Looking at the system profile I get

    Size: 512MB
    Type: DDR SDRAM
    Speed: PC2600U-25330

    So I'm a bit confused as to what SDRAM I need to buy - any help would be appreciated.

    Thanks,

    D
     
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  2. edesignuk, Apr 24, 2005

    edesignuk Moderator emeritus

    edesignuk

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    #2
    According to Crucials memory selector, your machine takes "DDR PC3200" (edit: or 2700 it seems on closer inspection), and a maximum of 2GB.

    Happy shopping :D
     
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  3. CanadaRAM, Apr 24, 2005

    CanadaRAM macrumors G5

    CanadaRAM

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    #3
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  4. Mr. Anderson, Apr 24, 2005

    Mr. Anderson thread starter Moderator emeritus

    Mr. Anderson

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    #4
    Excellent - I'll probably get it from Crucial....

    But as for the using of the memory per application - I do remember that there was a 1 Gig limit to apps at one time - is this still the case?

    D
     
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  5. HiRez, Apr 24, 2005

    HiRez macrumors 603

    HiRez

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    #5
    It's 4 GB per process (per application, for all practical purposes) in 10.3. I think that might be going up to some obscene amount in 10.4 but I'm not positive about that.
     
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  6. homerjward, Apr 24, 2005

    homerjward macrumors 68030

    homerjward

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    #6
    is there a compusa or circuit city near you? they have that same memory for 37.99 (compusa) and 39.99 (circuit city) after rebates. newegg also has exceptional memory prices.
     
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  7. Mr. Anderson, Apr 24, 2005

    Mr. Anderson thread starter Moderator emeritus

    Mr. Anderson

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    #7
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  8. homerjward, Apr 24, 2005

    homerjward macrumors 68030

    homerjward

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    #8
    if you get anything from that list, i'd recommend the rosewill memory. ive had a stick in my emac for a few months and it's worked great.
     
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  9. HiRez, Apr 24, 2005

    HiRez macrumors 603

    HiRez

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    #9
    No question you can access more than that even currently, and for 10.4 Tiger, according to this Apple page:
    It doesn't say exactly how much will be permitted. Probably not the entire 64-bits theroetically possible, but I'm sure at least 8 GB. I seem to remember reading the practical limit being 42 bits of addressable space for some reason, still an enormous amount. So I think you'll be ok with a few gigs. ;) Now a caveat is that the page is about OS X Server specifically, but that probably also applies to the vanilla OS X.
     
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  10. Mr. Anderson, Apr 25, 2005

    Mr. Anderson thread starter Moderator emeritus

    Mr. Anderson

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    #10
    Thanks for all your help! I ordered the memory this morning and it should get here by the end of the week. I imagine having 2 Gig in the machine as opposed to just 512 Meg should make a big difference with Photoshop RAW files from my Canon 20D and rendering more complex scenes with Lightwave :D

    I'm going to have to order new memory for my wife's new iMac I'll be ordering as soon as they become available (tomorrow I hope).

    D
     
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  11. Mr. Anderson, Apr 27, 2005

    Mr. Anderson thread starter Moderator emeritus

    Mr. Anderson

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    #11
    Well, got the RAM and its a happy computer. Photoshop is noticeably faster, especially the RAW files from my Canon 20D :D

    Thanks for all the help.

    D
     

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  12. Lacero, Apr 27, 2005

    Lacero macrumors 604

    Lacero

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    #12
    Photoshop CS 2 tops out at 4GB for it's cache. I have not gone to that limit quite yet. Are you using PS CS 2?
     
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  13. Mr. Anderson, Apr 27, 2005

    Mr. Anderson thread starter Moderator emeritus

    Mr. Anderson

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    #13
    I'm using CS V.1 :D

    D
     
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