On Apr 10, 2012, at 5:45 PM, Baudais Michael wrote: > Hi all, > > I'm looking for some ideas on how to address a problem with my Quad G5 (late > 2005). Here's the sequence of events: > > 1) I took my QuadG5 out to the garage one nice warm Saturday and used > compressed air to blow out all the dust. Yes, this may have been a bad > idea... > 2) Since then, CPU A has consistently run 10-20 degrees Celsius hotter than > CPU B. Over time, both CPU temps started to climb. > 3) I removed the CPUs and cooling systems, and replaced the thermal paste on > the CPUs. That helped dramatically - both CPUs dropped 20C. But, A is still > hotter than B by the same amount. > 4) I checked the cooling system thoroughly - no leaks evident. > 5) For the last year I've been running in reduced power mode. Which isn't > too bad performance-wise, but I'd love to get my full performance back. > > I've advertised on Kijiji for a replacement CPU board with no luck. > > Any ideas on what to look at next? > > Thanks, > > Mike
The LCS on the G5 Quad has two pumps It may be a pump failure, they're known for that. Do you have Hardware Monitor? it shows the pump RPM's. John Carmonne Yorba Linda CA 92886 USA MacPro 2.66 Quad Nehalem -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
