Results 1 to 12 of 12
  1. #1


    Member Since
    Mar 05, 2008
    Posts
    66
    Can you use a 1.8Ghz G5 Power supply on a 2.3Ghz?
    Do all of the Power Mac G5 power supplies work together? I want to put a 1.8Ghz Power supply in a 2.3 with a dead power supply.

  2. #2

    skaheadpunk's Avatar
    Member Since
    Jan 12, 2008
    Location
    Leicester, England
    Posts
    1,760
    Specs:
    MacBook, iPod Classic, 8GB 3G iPhone, Time Capsule
    I don't think they do.

    If you have a look at this site they seem to sell them all - if you can match the part numbers on the 1.8 and 2.3 with the ones on the website you can see if they would be interchangeable. Sorry that's a bit long winded but I can't find much info on it.

  3. #3

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    21,871
    Specs:
    Imac 27" Retina 3.3GHz, 512GB Flash, 16GB memory, OS X.11.4.
    Quite probable. Here is a link to an eBay auction giving model information on a pwer supply. Hope it helps:-

    http://cgi.ebay.com.au/Apple-PowerMa...dZp1638Q2em122

  4. #4

    skaheadpunk's Avatar
    Member Since
    Jan 12, 2008
    Location
    Leicester, England
    Posts
    1,760
    Specs:
    MacBook, iPod Classic, 8GB 3G iPhone, Time Capsule
    Quote Originally Posted by harryb2448 View Post
    Quite probable. Here is a link to an eBay auction giving model information on a pwer supply. Hope it helps:-

    http://cgi.ebay.com.au/Apple-PowerMa...dZp1638Q2em122
    That sounds much easier than my idea!

  5. #5

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    21,871
    Specs:
    Imac 27" Retina 3.3GHz, 512GB Flash, 16GB memory, OS X.11.4.
    You check it out kt? Closes tomorrow and no bids if it suits your G5!

  6. #6


    Member Since
    Mar 05, 2008
    Posts
    66
    What do you guys think? I plug my powermac in and I don't get anything at all. No light nothing when I push the power button. Is it the power supply or could it be the logic board?

  7. #7

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    21,871
    Specs:
    Imac 27" Retina 3.3GHz, 512GB Flash, 16GB memory, OS X.11.4.
    Not good kt. Have a look at this link for suggestions. Do you have a static wrist strap? If so whack it on:-

    http://osx.tribe.net/thread/e5e95f42...9-a8715e72af63

  8. #8


    Member Since
    Mar 05, 2008
    Posts
    66
    Quote Originally Posted by harryb2448 View Post
    Not good kt. Have a look at this link for suggestions. Do you have a static wrist strap? If so whack it on:-

    http://osx.tribe.net/thread/e5e95f42...9-a8715e72af63
    No, its dead completely. I don't even get a light on the computer

  9. #9

    SpindleX's Avatar
    Member Since
    Jan 04, 2007
    Location
    Asheville, NC
    Posts
    80
    Specs:
    iMac Alum 20'' 2.4GHz | iMac G4 | iPod Silver Nano 2GB
    Have you reset the PMU? If you have a volt meter handy, you can check the voltage from the 24-pin power supply connector.

  10. #10

    bryphotoguy's Avatar
    Member Since
    Feb 02, 2007
    Location
    Chicago, IL
    Posts
    3,978
    Specs:
    Quad 2.8GHz Mac Pro, Edge iPhone
    I was going to say no. I looked on MacTracker and it only lists the maximum watts of each model. It seems the earlier 1.8GHz models used more power than the later model PowerMacs like the 2.3GHz.
    You may be safe. But those go bad quite easily. The later models were also liquid cooled. I would hope the system wouldn't require a special kind of power adapter or something.
    There was also a recall of Power Macs due to bad power supplies. Check here to see if your PowerMac qualifies. It would be repaired for free if it qualifies.
    I would also consider that if a power supply goes down, it can take down the logic board and processor with it.

    January 2008 Member of the Month

  11. #11


    Member Since
    Mar 05, 2008
    Posts
    66
    Quote Originally Posted by SpindleX View Post
    Have you reset the PMU? If you have a volt meter handy, you can check the voltage from the 24-pin power supply connector.
    How do you reset the PMU if you can't power it on?

  12. #12

    SpindleX's Avatar
    Member Since
    Jan 04, 2007
    Location
    Asheville, NC
    Posts
    80
    Specs:
    iMac Alum 20'' 2.4GHz | iMac G4 | iPod Silver Nano 2GB
    You can reset the PMU(Power Management Unit) by pressing the button located near the RAM slots. Press the button once and then try to power-on the machine again.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. Power Mac G5 450W or 600W power supply?
    By K.C. in forum Apple Desktops
    Replies: 4
    Last Post: 01-18-2012, 04:46 PM
  2. Replies: 4
    Last Post: 05-03-2009, 09:09 PM
  3. G5 '1.8GHz single' compared to '2.3GHz dual'
    By macacomoco in forum Apple Desktops
    Replies: 3
    Last Post: 10-22-2008, 06:30 AM
  4. 2.3Ghz weird power cable port.. PICS
    By ktreece777 in forum Apple Desktops
    Replies: 10
    Last Post: 06-05-2008, 05:50 PM
  5. Replacing Power Mac G5 Power Supply Unit
    By karl hurrell in forum Apple Desktops
    Replies: 0
    Last Post: 11-04-2007, 03:54 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •