Powermac G5 dual 2.5 issues!

I purchased a pre-owned Powermac G5 Dual 2.5 ghz. It has 4gb ram and is running Mac OSX 10.5.8. Very shortly after I purchased the computer I had a crash and couldn't get it to start back up. I tried to re-install software and it would go part of the way thru and crash on the install every time. I started the machine in target mode and hooked it to my old trusty G4. I was able to install the software that way with no issues. I then went back to the G5 and tried installing updates, but part of the way thru the updates it would crash saying the update was possibly corrupt, ( these were straight from apple so I doubt that ) thus leaving my g5 unable to restart because of the partial software update. I did the target mode again, this time installing all of the updates using my G4. After all was said and done, I was back to where i had started when i bought it. I now keep to be getting freeze issue with the machine. I can be online using safari and all of a sudden I get the spinning color wheel. When this happens I can not even force quit the app, it will just sit there spinning away. Tonight i tried opening firefox and it started up and ran for a few minutes before freezing also. A few days ago I had tried to burn a dvd using toast, and that app also froze up and would not let me force quit. I have not had any issues like this from my G4, and after trying resetting the SMU, PRAM and many many hard restarts, I am no closer to knowing what the issue could be. Any help or ideas for me to try would be much appreciated. Thanks, Mike

Have you blown the dust out of it since you got it?
Possibly a temperature problem or bad RAM/RAM slots.
Get Temperature Monitor to see if it's heat related...
http://www.macupdate.com/info.php/id/12381/temperature-monitor
iStat Menus...
http://bjango.com/mac/istatmenus/
And/or iStat Pro...
http://www.islayer.com/apps/istatpro/
If you have any temps in the 70°C/160°F range, that's likely it.
The Memory test can really only be trusted if it finds a problem, not if it doesn't find a problem.
Memtest OS X...
http://www.memtestosx.org/joomla/index.php
Rember is a freeware GUI for the memtest ...
http://tech.kateva.org/2005/10/rember-freeware-memory-test-utility.html

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[IMG]http://img251.imageshack.us/img251/8568/powermacg4mdd300x363.jpg[/IMG]
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0x009CC88 0x0009D63C 0x00029DA0 0x00373A34 0x00348ED8 0x0034A02C 0x0034BEDC 0x0034AFFC 0x000B1DD4
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Exception state (sv=0xc8ca00)
PC=0x00000000; MSR=0x0000D030; DAR 0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
BSD process name corresponding to current thread: Unknown
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Not yet set
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System uptime in nanoseconds: 18699638756
No debugger configured – dumping debug information
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0x0009CC88 0x0009D7A8 0x00029DA0 0x00373A34 0x00348ED8 0x0034A02C 0x0034BEDC 0x0034AFFC 0x00B1DD4
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PC=0x00000000; MSR=0x0000D030; DAR 0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
BSD process name corresponding to current thread:Unknown
panic: We are hanging here…

Try a PMU reset.
DALE

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Message was edited by: John Williams17
Message was edited by: John Williams17

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