Re: MDD Dual quick fan noise fix
On Feb 16, 2012, at 9:11 PM, Wayne Stewart wrote: Another possible option for people running OSX on a dual PPC is using the CHUD utilities 3.5.2 to turn on nap mode. Some people have had problems with it but it works great for me. On my G4 dual overclocked to 1.5 ghz the CPU idle temp went from 57C to 35C and of course the fans slowed down. Wayne How does CHUD work? Does it shut down one of the G4's when it is not needed and then wake it up when you are doing something more demanding, or something that can take advantage of multiple cores, or G4 CPU's? I have seen it mentioned a few times, but don't really know what it is, or how it works. It would not work or be helpful to me while running MorphOS2.7, which can only use one of the dual G4 CPU's, unless it is a utility that can be run and stay resident through a soft re-boot, into a different operating system. It would be great to be able to shut down one of the two G4 CPU's to reduce heat when running MorphOS2.7 and then turn both G4's back on when I boot into MacOSX, MacOS9, or any version of Linux PPC. -- 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
Re: MDD Dual quick fan noise fix
It's an OSX preference pane so it won't work on any other OS. I haven't looked into it maybe because I can't see any obvious difference from a user standpoint other than temperatures decrease. I believe it throttles down the processors and possibly shuts one down when not needed. From the computers side, it spends most of it's time idly siting there waiting for the user to do something. The preference pane does have a couple of settings to choose from but it defaults to the off setting on restart. Most people have a script in their login items to turn it on. Wayne On Feb 16, 9:54 pm, David W. Morris bbh...@gmail.com wrote: How does CHUD work? Does it shut down one of the G4's when it is not needed and then wake it up when you are doing something more demanding, or something that can take advantage of multiple cores, or G4 CPU's? I have seen it mentioned a few times, but don't really know what it is, or how it works. It would not work or be helpful to me while running MorphOS2.7, which can only use one of the dual G4 CPU's, unless it is a utility that can be run and stay resident through a soft re-boot, into a different operating system. It would be great to be able to shut down one of the two G4 CPU's to reduce heat when running MorphOS2.7 and then turn both G4's back on when I boot into MacOSX, MacOS9, or any version of Linux PPC. -- 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
Re: MDD Dual quick fan noise fix
It's an OSX preference pane so it won't work on any other OS. I haven't looked into it maybe because I can't see any obvious difference from a user standpoint other than temperatures decrease. I believe it throttles down the processors and possibly shuts one down when not needed. From the computers side, it spends most of it's time idly siting there waiting for the user to do something. The preference pane does have a couple of settings to choose from but it defaults to the off setting on restart. Most people have a script in their login items to turn it on. This thread is a good summary of the issues with napping CPUs on G4: http://forums.macrumors.com/showthread.php?t=67444 In general, people have reported strange behaviour with nap on some systems and others work just great. The only CPUs that reliably do well are G5s, which is good or they would be even hotter. The later your G4, the better the chance nap will work and be helpful. The OS may also play a role. -- personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckai...@floodgap.com -- No matter how cynical I get, I can't keep up. -- Lily Tomlin --- -- 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
MDD Dual quick fan noise fix
I have a G4 MDD dual 1.25 which I use for the internet and mail etc - has four internal hard drives and over a period of time the cpu temp has risen to the point where even at idle the main fan kicks up a noisy notch - the cpu temp for the kick up seems to be around the 56 celsius mark - idle cpu temp is around 58C and my HD closest to the cpu has a temp of 43C compared to the other three in the low thirties. The increased fan noise annoyed me to the point of trying to do something about it so yesterday I removed the heatsink from the cpu, cleaned the arctic silver from the heatsink and cpu heads and applied arctic ceramique instead as I had some lying around. I had little hope that it would offer substantial improvement so I also shopped around for a quieter main fan. The arctic blurb quotes up to 25 operating hours for maximum heat transfer effect - which I haven't reached yet - but today the little devil of a cpu is idling below 55C - the nearest HD is below 40C and the noisy fan no longer kicks in at all. Half hour of work saved me the price of a new main fan and the grief of fitting it. I ought to mention that I am well used to heatsink removal - but it's hardly rocket science. Pete -- 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
Re: MDD Dual quick fan noise fix
Lo, At 10:23 16/02/2012, you wrote: I have a G4 MDD dual 1.25 which I use for the internet and mail etc - has four internal hard drives and over a period of time the cpu temp has risen to the point where even at idle the main fan kicks up a noisy notch - the cpu temp for the kick up seems to be around the 56 celsius mark - idle cpu temp is around 58C and my HD closest to the cpu has a temp of 43C compared to the other three in the low thirties. The increased fan noise annoyed me to the point of trying to do something about it so yesterday I removed the heatsink from the cpu, cleaned the arctic silver from the heatsink and cpu heads and applied arctic ceramique instead as I had some lying around. Thanks for the information, while thinking about getting a MDD i have heard that they were rather noisy which put me off. Martin N Running MorphOS v2.6 (Nov 2010) on Mac Mini, Moderator of MiniDisc,amithlonopen,bwfc Yahoogroups -- 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
Re: MDD Dual quick fan noise fix
Another possible option for people running OSX on a dual PPC is using the CHUD utilities 3.5.2 to turn on nap mode. Some people have had problems with it but it works great for me. On my G4 dual overclocked to 1.5 ghz the CPU idle temp went from 57C to 35C and of course the fans slowed down. Wayne -- 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
