Dual 1.8 GHz slooooow down

Howdy, y'all - One of our G5's (dual 1.8 GHz) has gotten super boggy in the last couple of months. Seems to be getting slower still. This one's only got 512 MB SDRAM, but it seems unlikely that this is an issue given that the main user of the machine is running all the same software as before... Any thoughts? I'd be much obliged

How full is the boot drive?
Some maintenance advice
http://www.thexlab.com/faqs/maintainingmacosx.html
and performance tips
http://www.thexlab.com/faqs/performance.html

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    We have a Dual 2.3 GHz G5 (production week 10/29/05, Power PPC 970 v.3.0, with 2.5 GHz RAM), running OS 10.4.8. This machine has started to suddenly shut down - like someone pulled the plug with no warning.
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    o maybe there is something RAM related, but I can't
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    -Bmer
    Mac Owners Support Group
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    Core 2 Duo MacBook Pro • 120GB HD • 2GB RAM   Mac OS X (10.4.9)   60G Photo iPod • AppleCare

  • My dual 1.8 ghz G5 intermittently shuts down

    I just purchased a second hand dual 1.8 ghz G5 tower that shut down on me a week ago. I opened it up, pulled out the fan assembly and hard rive, put back in and then it ran fine for about a week. Today it shut down again and every time I would try to restart it I would get the chime...the Apple logo would briefly appear, then shutdown again.
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    Thanks for the advice. I did check the system.log in Console and found the following altert:
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    My advice would be not spend another penny on the B/W. I had one too, expanded/upgraded to limits and confronted that same CPU issue years ago with the only thing really better than the 500MHz ZIF being that Sonnet.
    $300 is not well spent on that Mac. They have all sorts of little glitches and limitations. It doesn't have an AGP slot for graphics cards (severly limiting your choices and ability to run applications like FCP, Motion, etc); flaky ATA chip (rev. 1); flaky FW; a bug that limits bandwidth with PCI cards; and a bug that affects CPU upgrades.
    In order for that 1.Ghz ZIF to work, Sonnet has to downclock the system bus from 100MHz to 66MHz, effectively turning the B/W into a Beige. (That problem led to the demise of the upgrade manufacturer XLR8 (assets later sold to Daystar) as they tried in vain to produce a Dual CPU upgrade). The Dual 1.25 MDD would has a 167MHz FSB along with AGP slot, etc.
    Warts and all, I really liked mine and had a blast upgrading it -- but at a certain point you've got to let it go. I traded it in for a DA years ago (when Apple offered the first G5s and the last MDDs). I upgraded that DA over time (suited my budget), but at the end of last year its GigaDesigns 1.33GHz dual upgrade went down -- I think it burnt a CPU. Should have bought a new MDD after all back then.
    Similar to your current situation I priced new upgrades for my DA, anywhere from $300 up. I didn't think that was the best use of the cash either since for a little more I could buy an MDD with its advantages like faster FSB with some models (DA have 133MHz FSB), 2 optical drives, and doesn't have some bugs that my DA has affecting some graphics and storage cards. My requirement is to have one 9.x-booting machine. I use my MBP alot.
    It's a long story, but I now have two MDDs -- one of which is a 1.25 Dual. That one got pieced together a bit -- I've been bit by the upgrade/tinkering bug -- so it's not yet in production but it's close. Each of those MDD alone will cost around or less than the price of DA upgrade, and that dual 1.25 is a bit better machine than the DA, and a lot better than your B/W even with a 1Ghz Sonnet.
    If I balked at getting an upgrade for my DA (which is much better Mac than your B/W), I think you shouldn't spend money on yours. That $300 you're considering is better spent on new used Mac. A Dual 1.25 seem like solid Mac based on my testing so far with the one I have. Even say a dual 1GHz Quicksilver is a better place to put $300.

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