On Jan 11, 2011, at 5:34 PM, Tina K. wrote: > On 2011/01/11 17:47, John Carmonne so eloquently wrote: >> I have a G5 PowerMac Dual 2.7 with the Delphi liquid cooled heat >> sink. I recently had to rebuild the heat sink due to leakage, I've >> seen on the list that some say if you never shut them down they wont >> corrode and leak,. What I need to know is if in sleep mode is the >> pump still running as to keep the fluid moving and preventing >> corrosion, I know the fans stop but what about the pump? I sure don't >> want to have it running full on and keep Edison in dough if I don't >> have to:-) > > I don't know whether the pump sleeps or not, my guess would be that if it > shuts down all other mechanical process' than it probably shuts down the pump > too. > > Someone else on the list mentioned using oil (mineral?) for coolant and that > it was less or non-corrosive, that might be something to look into. There's a > company that sells kits that basically consist of an aquarium that you put > your MB into and then fill it with oil, I believe they sell just the oil too. > Sorry I can't be more specific about the name but it shouldn't be too hard to > find w/Google. > > Tina
Well it has a load of "non corrosive marine coolant" Hopefully that along with new "O" rings it will last another 5 years. Occasionally I see the upgrade Panasonic unit for sale but if I can get a lot of mileage from my rebuild it'll save me some bucks. John Carmonne Yorba Linda CA 92886 USA Sent from my MBP -- 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 [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list
