To the person who mentioned using marine coolant in their g5, pm me some info on that as that is my next goal over the next couple of months........ To score a quad for myself AND my wife, and both of us use processor intensive programs in relatively warm climates.
Thank you much "The greater the animal, the greater the man " On Mar 15, 2012, at 9:14 PM, Dan <[email protected]> wrote: > At 1:32 PM -0400 3/12/2012, Illirik Smirnov wrote: >> I'm considering oil-cooling my DP 2.5 PMG5. > > http://www.everymac.com/systems/apple/powermac_g5/stats/powermac_g5_2.5_dp.html > >> This would involve putting the computer (sans ports, hdd, cd) in a tub of >> mineral oil. It doesn't conduct electricity, and as such would be perfect >> for this use. It has been done many times with PCs; does anyone know >> anything that may keep the G5 from working optimally? > > hum. wow. I've heard of this being done but have never seen it. Intriguing > idea. Personally, I'd never do it... At some point, I'd have to go in there > to fix or add something and I cannot abide by oily slimy things! blech! lol > > Are you experiencing any particular issue with your Power Mac that has led > you to this? > > If the heat transfer is really good, it might make for some overclocking > opportunities! Can a Power Mac G5 be overclocked? > > I know that the liquid cooled G5 bricks are known to have problems as they > get older. I'm thinking going whole-system oil cooled like this might maybe > be a solution ... depending on how the leaking liquid coolant mixes with the > mineral oil. OTGH, it might be better to oil an air-cooled G5. > > Extending the USB and FW to the top of the tank should be easy. I wouldn't > bother with the SATA interface until you got everything else working. > Booting off the 800 Mbps Firewire2 instead of 1.5G SATA is good enough for > testing. > > Most PCs are fairly open in their design. Slap in a few fans, and there's > good air flow. But the Power Mac G5 is tightly compartmentalized. I wonder > if the fluid flow will still be ok? It's not enough that fluid flows. It has > to actually circulate to the radiator system. Otherwise, the oil will > happily distribute the heat evenly through that compartment, making it hotter > and hotter. I've never gutted a PM G5. Are there any dust filters in there? > > I would check any/all parts for labels and such. Puget Systems has a FAQ > that mentions the oil dissolved the gum, loosening the labels. > http://www.pugetsystems.com/submerged.php > > Do you have/need the G5 service / take-apart manuals? > > An interesting project... If you do this, please keep us in the loop! I'd > love to know how it goes! > > > At 12:45 AM +0100 3/15/2012, Valter Prahlad wrote: >> I'm doubtful about the power supply fan, though, and I'm very skeptical >> about immersing the HD in oil: it isn't designed to work in oil, and the >> very strict tolerances might lead to trouble. (unless it's leak-proof; but >> on HDs I always noticed a tiny hole you must not cover, so it's not sealed) > > Puget Systems had no problem with the fans. They didn't dip the HDs - those > are mounted in the tank's top. > > At 11:37 PM -0400 3/14/2012, W.Adrian D'Alessio wrote: >> Don't go for the bubbles though it will reduce heat transfer. Or is that >> important? Or is it really about having a showy conversation piece? > > Their example had too many bubbles, I think. But geeze - ya gotta have some! > > And maybe one of those USB powered swimming fishies!!!!! > > I donno. The more I think about it the more cool this project seems. lol > > - Dan. > -- > - Psychoceramic Emeritus; South Jersey, USA, Earth. > > -- > 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 -- 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
