DOA PowerMac G5

Hello,
I am hoping that there may be some tech savvy people here who can advise me. My PowerMac G5 2.5 duo processors recently started acting up. There were times that the power button would not function. Could not shut it down and sometimes couldn't start it up. Other times it worked. I took it into the Apple Store and they gave it a complete going over. Tried a new power button unit, which didn't solve the problem. Next they replaced the power supply which that didn't help. After a couple of weeks they decided the problem was either a bad logic board or one of the processors were faulty.
The computer is 3 1/2 years old. Fortunately I was able to back up everything I needed and purchased a new G5 MacPro. I would like to sell the old computer for parts only. I was wondering if I should try to disassemble some of the good parts like hard drive, memory etc. and sell them separately or should I just sell the whole unit as is?
I appreciate any advice. Thanks!

Hi DP,
Thank you for your reply. I have checked out Ebay and some folks have been selling the parts while others are selling the whole unit. I will probably piece meal a few things like memory and super drive and sell the rest for whatever I can get out of it. It's disappointing that a computer like the G5 becomes a pile of junk after only 3 1/2 year. My very first Mac from 1985 still fires up and runs!

Similar Messages

New MBP won't connnect to network PowerMac G5!

I'm getting just ever so slightly frustrated. Ordered a MBP in February and it showed up defective. Back to Apple for repairs for 3 and 1/2 WEEKS! Finally, came back but password wasn't reset and I didn't give them my admin (they didn't start up the Mac to see if the trackpad was working after replacement). Bad install of new part--back to Apple for ANOTHER week! Used the MBP for about 5 months and decided to sell. Sold it in 12 hours for same price as I paid for it!!! Immediately ordered new model MBP with LED backlight and 4gig RAM max. Took a month to come in (glossy screen is made to order online and stock item at Apple Store!). The screen would only go back to 90 degrees and the DVD player stopped working. Apple declare THIS one a DOA and authorized an exchange. Waited 2 weeks for it to come in and Apple said that it wouldn't be shipped as promised but would be shipped after the 24th of October! As a tech, can't be without it that long, so refund (still not in account after 10 business days) and went to Apple Store to buy one off shelf.
Okay, brought that home and all was okay (so far). Tried to wirelessly connect to my wired to router PowerMac G5--no problem. Did some updates and tried again the next day. No go. Unauthorized, wrong password, etc. message and lots of spinning beach balls of death (BBOD). Restarted both machines, still same problem. Checked and rechecked the connections and Sharing preferences and all seems fine. Can connect to internet and mail, but not my local PowerMac. Just installed REmot Desktop on the MBP and that wouldn't work from afar either.
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Sincerely,
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DNS, first thing to check for the network. Use GoogleDNS as a test: 8.8.8.8

Apple PowerMac G5 Powers up Half way from desktop loading up screen goes

Hi All I have A Apple PowerMac G5, Just given free Powers up, i hear the apple chime, It starts to boot/load up, i can see the round spinning thing, happening, but then just about Half way from desktop loading up, the screen goes blank,
I have tried replacing the graphics card, tried replacing the memory, but still nothing, if anyone has any suggestions i would be grateful

Resetting PMU:
http://docs.info.apple.com/article.html?artnum=300341
http://www.felipecruz.com/reset-pmu-and-non-volatile-ram-g5.php
Installing software:
http://www.info.apple.com/kbnum/n106692
Once you determine if this is DOA or worth dealing with...
I would buy a copy of Tiger 10.4.6 now on DVD.
You are going to want/need more than 256MB RAM, too.
I would never rely on a pre-installed system other than when bought new/ref'd from Apple. I would always just wipe it totally clean.
You can find 160-300GB SATA drives for $68 - 120US.
PMU reset would be good idea. and I would make sure that it can boot into the Open Firmware screen where you can also reset nvram. If it can't get into that screen, which is not dependent on OS etc. then you have a more serious hardware or logicboard problems.
Might want to start with Apple's Mac 101 Help:
http://www.apple.com/support/mac101/help/
boot into Open Firmware Reset NVRAM
boot into Single User Mode and runafter any freeze or hard restart or when you need to check the integrity of the drive's catalog directory.
Then, try
Repairing Drives
Complete FAQ
Diagnose & Fix System
Kernel Panics
MacWorld FAQ
Mac PRAM, NVRAM, CUDA/PMU & Battery Tutorial
G4 MDD 1.25 1.75GB UL3D 15K/10K RAID Mac OS X (10.4.6) SoftRAID 3.5
G4 MDD 1.25 1.75GB UL3D 15K/10K RAID Mac OS X (10.4.6) SoftRAID 3.5

DOA iMac - Apple "Lack of" Care

My 24" 2.8 GHz iMac arrived on Wed 8/22. I was disappointed to find that it had a malfunctioning fan and Tech Support deemed it DOA and needed to be returned. I was informed that shipping labels would be overnighted to me. Apple would not send a replacement until the original was returned.
Two days later....no labels.
Another call to technical support...20 minutes on hold and then a helpful guy who says he'll call Returns directly and solve my problem (no useful info had been recorded in my case file). He calls me back later and says HE CANNOT GET THROUGH TO ANYONE IN RETURNS but has "escalated" my issue via e-mail. What a joke.
Apple seems content to hang on to my money (maybe I should ask for interest?!?!), but meanwhile I have no indication of when I'll receive a working unit and no way of contacting anyone with the ability or willingness to do something about it.
Any suggestions for cutting through the red tape?

Unfortunately, not all machines will arrive in perfect working order, some do get rough handling during transit. This is true of all makes not just Apple.
However, from my own personal experiences of Apple Customer Care, the treatment end users recieve from Apple is awful. I recently had 2 replacement Mac Pro's sent out the first of of which was damaged in transit. While I did eventually recieve a replacement unit, it took over 8 months for Apple to decide my original unit was beyond help and agreed to a replacement being sent out.
During the 8 months, the original unit was not useable and so was packed back up awaiting a solution (fortunately I had a trusted PowerMac G5 Quad to use as a back up so I was able to get some work done but did however build up quite a backlog of work and eventually had to turn work down in an attempt to ease the amount of backlog. The work I had to decline cost me several thousands of pounds in lost income which Apple gave no consideration to or compensation for.
I purchased the extended warranty which Apple transferred to the replacement machine but decided to dock the original 8 months from the warranty period. Hardly good customer relations. Apple agreed the original machine was in effect a lemon and agreed it could not be used yet the penalised the replacement machine from having the full 3 year warranty period.
After this episode and experience, having had to fight to get anywhere with technical support, eventually I escalated the problem to their Executive Relations Deprtment, 8 months on I get a solution which should have been offered immediately. Not happy. Apple just adding insult to injury.
The replacement Mac Pro has so far worked without issue and is a joy to use, unfortunately Apple's after care leaves a very bad taste in the mouth. They really do need to get it sorted out.
When it is time to replace my current network of systems, in light of my experience with Apple since the Intel switch, I doubt I will be replacing any system with another Mac. I will have no choice but to switch back to Windows based systems unless Apple really get their game and build quality back on top form. OS X is a joy to use, I just wish the machines Apple provide to run this platform on were up to the same high standard as the OS.
Hardly as Apple state on their web site "absolutely flawless integration of hardware and software", "Macs just work". The jury is still out on that.
This is not an Apple hate post, just an honest post from an Apple customer sharing my experience with Apple so far. I have to admit when I was using PowerPC based machines I only ever had one need to call tech support and the problem was sorted out pretty quickly, however since I swapped to Intel based machines, the need to contact Customer Care has been increased significantly and the over all quality of the machines I have received has been poor.
Keep at it if you are unhappy, escalate the problem to Executive Relations if need be and when you do get your replacement machine I hope it is a better experience all round for you.

Network problem with PowerMac in my office

In the office I work at we have a PowerMac - I'm not sure if it's G4 or G5 but it's the white one with the clear plastic accents. We use this computer to clock in and out because it's the only one connected via ethernet instead of wireless and you have to be connected via ethernet to use the "nFocus" system that we clock in and out on.
The problem is that the nFocus page (clock in/out page) is not loading. The internet works fine though. Can anyone help because the tech people are clueless - they are mostly student workers too and most of them don't know anything about Macs.

If the Infocus software uses ActiveX for the display, then it won't run on your Mac. It could also be a java incompatibility, etc. It doesn't sound like a network issue.

I have 3 older ext. hard drives that I've utilized many times. Today while searching for old files, one of the three is no longer recognized by my PowerMac. Any suggestions?

I have 3 older ext. hard drives that I've utilized many times. Today while searching for old files, one of the three is no longer recognized by my PowerMac. The drive is not listed in Disk Utility. Any suggestions?

Is the computer in you equipment line:
Dual Core Intel Xenon
(which is not a PowerMac but a Mac Pro) the one you are asking about, or do you have an older PowerMac?
If a Mac Pro, their forums are here:
Mac Pro
and, as Mac Pros have a totally different architecture from the pre-2005 Macs this forum covers, you may not have the same issues that can affect the older models. If someone didn't notice your equipment line, you could get advice that doesn't apply.
If you really have a pre-2005 PowerMac, read on.
If the stubborn external is USB and does not have its own power brick (i.e., it gets power only from the computer's UBS ports--"bus powered"), it may not be getting enough power. As electric motors age, they can demand more power than when new, and the power available on any USB port is limited.
The typical workabouts to making a computer recognize an aging, bus-powered USB drive are:
Get a powered USB hub (has its own power brick
Get a "Y" USB cable: 1 Meter USB 2.0 A to 5 Pin Mini B Cable - Auxiliary USB "Y" Power Design for external hard drives.
The second gets power from two USB ports on the computer and often that's enough.
Remember that the USB ports on your keyboard seldom provide enough power even for a thumb drive, so be sure to use the USB ports on the back of the computer.

I have a PowerMac G4 running ProTools that no longer boots up. All I get is a file folder on the screen with a flashing question mark in it. Ran the Utility disk and all systems passed. Any ideas?

I have a PowerMac G4 running ProTools that no longer boots up. All I get is a file folder on the screen with a flashing question mark in it. Ran the Utility disk and all systems passed. Any ideas?

You need to use the computer's install disks to repair the hard drive or install a new OS.
(58033)

PowerMac G5 will not boot up

Hello all -
I have a PowerMac G5 Dual 2.3GHz (early 2005) that has recently started to have issues. It froze a few times in the last week, and then would not boot up again. I dug out the original install disks, and was able to boot and run the Apple Hardware Test. The hardware test revealed a stick of RAM that was giving errors, so I removed the bad memory and it's mate (since they are required to be installed in pairs). Everything was great for a few hours, and then it froze up again. Had to hold the power button to force it to shut down. Once again it would not boot up - either a black screen, or stuck on the gray screen with the Apple Logo on it. Again was able to boot to Hardware Test from the install disk, and ran the Test again. This time it came back with no errors or problems. Ran it several times, all without any errors. I have reset the PMU, unplugged the power cord for several minutes, swapped memory around to different slots, unplugged everything but the monitor, keyboard and mouse, .... all to no avail. The computer will not start up. I tried to use the CD as a boot disk, but it hangs the same as when trying to boot from the hard drive. The only thing it will do is boot into Hardware Test mode (from the install disk), or Firewire Target Disk Mode (fortunately, since I can at least access my data and make some backups).
This computer has been very reliable up to now, and this all came on quite suddenly.
Any ideas?
Thanks.
PowerMac G5 Dual 2.3GHz
1.5GB RAM (after removing 2 512MB sticks that gave errors)
OS 10.4.11

Ok, so this has now advanced to the point of being a bit ridiculous.
The nearest Apple store is 45 miles away, but I happened to be in the area over the weekend, so I brought along my G5 for a visit to the Genius Bar. A resident Apple genius hooks it up, powers on, and lo and behold, it boots. What? How is that possible? I have been unable to get past the gray screen for weeks. He mentions that sometimes if you unplug everything, it will help to reset the power management, etc. So I tried to remember, did I leave the keyboard plugged in while it sat in the corner? Dunno, but it certainly booted fine in the store. He then ran the proprietary Apple Diagnostics (very low level testing, much more thorough than the Apple Hardware Test we consumers have access to). Took 30-45 minutes. Came back without so much as a hiccup. Everything checked out perfectly. He could not reproduce any problems at all. Hmm. Well, ok, awesome. It's all good to go!
So, I get home, hook everything back up, and it runs fine. My wife is happy that she has her computer back. It runs for a day or so. Then it locks at the login screen while trying to wake from sleep. The fans ramp up to full speed. Have to hold the power button to shut it down. Restart, everything's fine again... for a few hours. Next morning it is frozen again, and will not progress beyond the gray logo screen. Never gets to the spinning gear. I unhook everything again, wait an hour, and try to boot again. Get a kernel panic. Force restart again, and now is stuck at the gray screen again.
So..... What in the world is going on? All of the hardware has passed Apple's low level testing with no problems, yet it no longer functions. I have a feeling that if I leave it for a week, I will get a few hours use out of it, then it will freeze again.
This is all very frustrating. Anyone interested in a used G5 tower with intermittent issues?

How large a hard drive can stock PowerMac MDD take?

It's me again. Great forum -- thanks.
I want to install a 160GB HDD in my PowerMac MDD. Do I need a special PCI controller card or will the onboard controller work for this capacity HDD? Thanks.

Interesting little app. -- Coconut Identity Card.
But when it first launched and automatically determined a date and origin, it was way off -- 2005 and China. So, I clicked on the "Custom" tab, and manually (will not let you paste) put the serial number in. Then it gave me a more realistic date and origin -- Nov. 2002 and Sacramento, USA.
Looks like my MDD passes the June, 2002 cut-off date. Thanks!

Contabilização de Remessa em doação

Pessoal,
Temos um item cadastrado em nosso sistema em que as contas contábeis são definidas pelo Grupo de Itens em que a conta de receita está criada como (Venda de Mercadorias - Matriz).
Numa determinada operação teremos que enviar um destes produtos para Doação, e neste caso ao verificar a contabilização da nota a conta contábil de receita será (Venda de Mercadorias - Matriz), porque foi definida no Grupo de Itens, mas neste caso, por se tratar de um Doação, precisaríamos que a conta de receita fosse direcionada para uma outra conta contábil (Doação de Mercadorias - Matriz).
pergunta, é possível modificar isso numa única operação de saída sem alterar o Grupo de itens, ou para casos como este, é melhor fazer um ajuste através de Lançamento Contábil Manual?
Agradeço as ajudas.

Olá André!!
Boa tarde!
Sou consultor FICO e meu cliente está precisando dar entrada em um material como doação.
Fazendo uma busca encontrei esses posts.
Vc deu a dica de usar uma ferramenta "Só impostos".
Por favor,
Essa solução é apenas para o business one?
Muito Obrigado!

PowerMac G5 Freezing

Hey everyone. I've been having some trouble with a Mac in my possession and was hoping for some insight.
Apparently from the first few weeks of use this computer has experienced random lock-ups when running basic programs (Safari, Terminal, iTunes, etc.). It could be sitting idle for a few hours and then freeze, or within the first 2-3 minutes of using Safari, or within a song in iTunes...you get the idea. So I ran through all the regular stuff - checked for and updated system software, looked for firmware updates, and watched the 'top' command from time to time. None of these cleared up the problem. So then I tried a re-install of the OS (originally 10.3.9). This also proved fruitless, as the computer resumed stalling in all the previously mentioned ways. Next, I tried wiping the drive to all zeros and installing OSX 10.4. Once the OS was up, I ran the Software Updater to get all the latest patches. I ran the system for a few minutes in various programs before experiencing yet another freeze. So now I got down to the hardware...
First, I tried running the Apple Hardware Test disc that came with the Mac. I ran a short and long test, both of which passed. I then ran the Long Test on loop for 12.5 hours (12 loops). All passed without incident. The machine stayed running the entire time, never once crashing. Next, I removed the hard drive and zeroed it using a Seagate utility, hoping it was something the Apple software did. Reinstalled, patched...freeze. So I tried a different hard drive in its place. Zeroed it, installed 10.4, patched. Froze again. At this point, I got a bit frustrated. So, I attempted running a Linux PPC LiveCD on the machine. To my surprise, it ran like a champ. I had at least 6 programs running, playing music, browsing the web, running a game, etc. No freezes, no hiccups for 4 hours of use. Booted back into 10.4, and froze within minutes.
So finally, I tried the memory modules. I pulled all four, put them into my PC and ran memtest86. I let this run for about 3.5 hours. No errors reported. So I figured I'd try only plugging so many modules back in, leaving one slot empty. I tried this with all four, with no luck. (Interestingly, when I tried removing the Slot 0 DIMM and starting, the machines power light blinked three times repeatedly. Couldn't get to OSX until I replaced em all and rebooted.)
So, I'm not sure this is a hardware problem, seeing as how Linux PPC ran fine. Although I'm not sure it's not either. Maybe Linux didn't hit a bad segment of memory, processor, etc. I know that probably no one has seen a situation like this, but I've been all over these forums for the past week looking for answers, and coming up short.
Any help you all could provide would be GREATLY appreciated.
Thanks again!
PowerMac G5 1.6GHz Mac OS X (10.4.9) 1.25 GB RAM, 80GB HDD

So I've tried running the AppleJack utils. It completes and asks to have the machine restarted. Upon getting back into OS X I find that the freeze phenomenon is still present. I was hoping that I could pull the memory modules from my PC and try them in the G5, however I've run into a problem there too. I have 2 1GB DDR400 memory modules (matched) in my PC. The Mac uses 4 modules, 2 512MB DDR333 modules and 2 128MB DDR333 modules. They appear to be set up for dual channel operation. I tried removing all 4 DIMMs from the Mac and placing 1 of my 1GB pieces in Slot 0 of the DDR bank. Upon bootup, the power indicator blinks once with a 1-2 delay before a similar blink. Does the machine require a dual channel setup? Is it complaining because the memory config. has changed? Will the Mac's logic board not accept the DDR400 (i.e. not scale back the memory to operate at DDR333)?
This is one of the last ideas I have for this machine. I'm afraid that soon I may have to have someone from Apple diagnose it to find out if it's a logic board / processor issue. In that instance, how has everyone's experience been with them? Do the techs know whats going on, or is it hit-or-miss?
Thanks again everyone. I appreciate the help.

Can you help me identify which PowerMac G5 I have?

I think it's one of the later models -- if webpages are to be believed -- but I need to be sure before I start getting hardware for it.
Here's the specs from the Hardware Overview in System Profiler:
Machine Model: PowerMac7,3
CPU Type: PowerPC G5 (2.2)
Number of CPUs: 2
CPU Speed: 2 GHz
L2 Cache (per CPU): 512 KB
Memory: 2 GB
Bus Speed: 1 GHz
Boot ROM version: 5.1.8f7
Serial Number: G84251FKQPR
Feel free to ask for more information if you need it.
I recently received this nice older Mac as a hand-me-down from my father, who bought it on eBay from a university film studio that was upgrading their hardware.
It lacks wireless networking capabilities at the moment, and I'd like to fix that. I need to make sure I get the right kind of AirPort card (or whatever I need) in order to acheive this. I'm not familiar with the PowerMac G5 model, so I could use some advice. Information on the web is a little confusing to me.
I'd also like to know what maximum possible RAM (and what kind) this lovely silver beast can take on.
And I understand that Leopard (not to be confused with Snow Leopard) is the most recent version of the Mac OS X I can install on here. I need to make sure I get the "retail" version, right?
And I'd like to hear what other bells and whistles I can get for it that I'm not already aware of. I want to make a project out of this.
Thanks for your help, my fellow Apple fans!

Hello,
It's not a later model, put the Serial# on one of these sites, but don't post the Serial# here...
http://www.chipmunk.nl/klantenservice/applemodel.html
http://www.appleserialnumberinfo.com/Desktop/index.php
Also here it is one of these two, likely the 1st one...
http://www.everymac.com/systems/apple/powermac_g5/stats/powermac_g5_2.0_dp_2.htm l
http://www.everymac.com/systems/apple/powermac_g5/stats/powermac_g5_2.0_dp_pci.h tml
I need to make sure I get the right kind of AirPort card (or whatever I need) in order to acheive this...
While Airport cards & Antennas can be had, I'd recommend one of these that has better range & such...
http://eshop.macsales.com/item/Newer%20Technology/MXP2802NU2C/
If it is indeed the 1st one, 8 RAM slots vs. 4 RAM slots on the later one, the 8 GB, 1 GB per slot on either model...
http://eshop.macsales.com/item/Other%20World%20Computing/3200DDR2GBP/
I need to make sure I get the "retail" version, right?
Correct, no Gray Intel Machine specific Discs.
Leopard requirements/10.5.x...
    * Mac computer with an Intel, PowerPC G5, or PowerPC G4 (867MHz or faster) processor
minimum system requirements
    * 512MB of memory (I say 1.5GB for PPC at least, 2-3GB minimum for IntelMacs)
    * DVD drive for installation
    * 9GB of available disk space (I say 30GB at least)
Trouble is Apple no longer sells it, check eBay & such for the Retail version, not the Gray Discs...
http://www.ebay.com/sch/i.html?_nkw=mac+os+x+leopard+retail+10.5
Other bells & whistles...
SATA cards, PCI Wifi cards, & a few others, like a faster Video card.
See japamacs page here on the best AGP cards for G4s & G5s...
http://www.jcsenterprises.com/Japamacs_Page/Blog/4B4B7BA2-7ABB-47F1-87AC-B03D379 42BEE.html
Top slowest, bottom fastest.

Help! how to apply Seagate hard-drive update from DVD drive on G4 Powermac

Short version of story:
Just put Sonnet PCI SATA card in G4 Digital Audio Powermac running Tiger. Have replaced two IDE drives with *Seagate Barracuda 7200.11 1 TB hard drive*. It's recognized and working fine. EXCEPT: this is the now infamous drive ST31000340AS that WILL most certainly fail if it does not get the firmware update that Seagate has made available. (These drives are failing like crazy-- Google for info, do not buy!) I have the firmware update on CD as an ISO file (of course Seagate makes nothing that it Mac friendly but this has worked for other Mac users). But when I try to flash the firmware by starting from the CD ("C" key held down), nothing happens. The G4 just goes ahead and starts Tiger 10.4.11. I have also tried holding down "O + F + option + control on start up. I'm not getting anywhere.
Since the drive is functional and it's the only drive in the G4, what am I doing wrong? Help!

I just got off the phone with Seagate who say that while my model numbers are the affected drives, my two drives have serial numbers that do NOT need a firmware update. (Yet!)
However, I'm not feeling very lucky. I took these two drives from my Maxtor One Touch III 2 TB external hard-drive because it was failing intermittently-- "now you see me, now you don't." Not very good for a backup drive! But Maxtor/Seagate is providing nothing for Maxtor One Touch III owners under warranty but another refurbished (as in previously failed) Maxtor One Touch III and asking hundreds of dollar$ for data recovery. There is not even a firmware update at this point. People should be avoiding Seagate Barracuda drives (these used to be the best of the best, but not now) or at least researching them *very thoroughly* before buying.
I guess, the good news is that I don't have to struggle with getting a firmware update to work on my PowerMac. Though thanks to you both I will know what to do if these drives eventually do need a firmware update. The other good news is that I got all my data back by pulling the drives from their enclosure which apparently causes overheating. I violated my warranty, pulled the drives, and got all my data back.
At the moment both of my Barracuda drives are happily purring away in my PowerMac G4 giving that old baby 2 Tb to play with. (I use iPartition so getting the drives recognized on the G4 isn't a problem.) And since I have my new iMac 3.06ghz 24" with all my data backup on WD external drives, I will only use the G4 networked for extra storage (backup for my backup). (I am also using Disk Warrior and Data Rescue II to keep an eye on these drives.)
Thanks again for the advice.

How to update Seagate hard drive firmware from DVD drive in G4 Powermac DA

Posted earlier in wrong forum. Apologies if you see this twice.
Short version of story:
Just put Sonnet PCI SATA card in G4 Digital Audio Powermac running Tiger. Have replaced two IDE drives with Seagate Barracuda 7200.11 1 TB hard drive. It's recognized and working fine. EXCEPT: this is the now infamous drive ST31000340AS that WILL most certainly fail if it does not get the firmware update that Seagate has made available. (These drives are failing like crazy-- Google for info, do not buy!) I have the firmware update on CD as an ISO file (of course Seagate makes nothing that it Mac friendly but this has worked for other Mac users). But when I try to flash the firmware by starting from the CD ("C" key held down), nothing happens. The G4 just goes ahead and starts Tiger 10.4.11. I have also tried holding down "O + F + option + control on start up. I'm not getting anywhere.
Since the drive is functional and it's the only drive in the G4, what am I doing wrong? Help!

This is dated January 21st, so I hope it's been updated...
http://forums.seagate.com/stx/board/message?board.id=ata_drives&message.id=5692
Also, I found this:
MOST IMPORTANT - If you have a reasonable suspicion that you may have an affected drive - do not power the unit off - make fresh backups immediately. The power-on process is what triggers the failure.
Quoted from http://thedambook.com/smf/index.php?PHPSESSID=e2542559aab0b513be11ac48f7ec3a49&a ction=printpage;topic=3887.0
Sorry about the long second link. The usual shortening method didn't work.

Powermac crashes when playing games

Hi. I've got a problem with my Powermac G4 (Dual 450MHz).
Everytime I play a game (Quake 3 or Redline for example) the mac crashes sooner or later and I need to reboot. I've checked RAM, fixed HD permissions, fixed the HDs and cleared all cache. The mac has a stock ATI Rage128 Pro and 640 MB RAM. My mac crashes only when playing games, never when in "normal use".

Hi
It may be worth just checking the ventilation holes in the case aren't clogged with dust etc and the case fan is still spinning okay. If games are the only time you 'stress' the processors (e.g. you don't also use it for DVD encoding etc), perhaps it's a heat issue. You could try temporarily using it with the case open to see whether it makes any difference, which would also allow you to check the fan(s). It seems unlikely but it may be worth a shot.

DOA PowerMac G5

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