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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Desktops > CHUD and the Chirp

CHUD and the Chirp
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Nov 10, 2004, 11:54 AM
 
I installed the CHUD tools to fix that incredibly annoying-I-want-to-throw-my-G5-out-of-my-office-window chirp/squeak quite a while ago (version 3.5) and it did not seem to work. The squeaking seemed to go away for quite awhile regardless, but now its back and annoying as ever.

I unstalled CHUD 3.5 to install the latest 4.0, but when I go to install it, it gives me a "red flag" and says that I have to install "Mac OS X Developer Tools Package" before installing CHUD.

What are the developer tools they are referring to?

Thank you - my sanity is depending on figuring out how to get rid of the chirp.
     
kg109  (op)
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Nov 10, 2004, 11:56 AM
 
I need to be more clear - when I installed CHUD, the chirping did not instanting stop like many in here refer to. It did keep going, but after a week or so (maybe 'don't remember) it did seem to eventually go away (without having NAP unchecked).

And yes, I know that you have to re-uncheck the NAP box upon every restart.

Thanks.
     
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Nov 10, 2004, 12:24 PM
 
It wants you to install Xcode and the rest of the development tools, which CHUD is designed to work with. It's not really for making things not chirp, it's for performance tuning programs. My guess is that 4.0 integrates more tightly with the other tools.
     
kg109  (op)
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Nov 11, 2004, 01:54 AM
 
Yeah I know CHUD isn't the "anti-chirping software solution" - I understand what it is really meant for, but I have not seen any other kind of solutions to this problem. This sound is driving me crazy - I work in SILENCE and to have this damn chirping noise coming out of what is supposed to be a very high end machine is ridiculous.
     
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Nov 11, 2004, 06:40 AM
 
You can download the developer tools here
Apple Developer Connect

You need to join but there's a free membership option so you can download the tools

A word of caution the Chud prefpane has the nap option. This operates by removing the ability for the CPU to rest, i.e., nap inbetween cycles and activity. In essence your running your computer full bore even when nothing is going on, consquently this generates a lot of heat.

I've run this on my PB and my G5 and to be honest I was afraid I was doing more long term damage by having this set as the norm.

Furthermore Apple may have removed the nap feature from later version of the chud pref pane (not sure on this one so I could be wrong.)

Mike
     
kg109  (op)
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Nov 11, 2004, 10:47 AM
 
Thanks Mike - I also realized last night that the chiping has come back in coorelation with the latest update of OS X 10.3.6 This could be a total coincidence, I have no idea, and apparently no one else does either.

I shut my machine down last night when I stopped working, thinking that letting it fully cool down and rest may help, and thankfully, there's no chirping right now.
     
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Nov 15, 2004, 12:49 PM
 
Are you sure you've got the electrical chirp? And not another fan, drive, whatever related chirp? I ask because on both my PowerBook G4 and my PowerMac G5, turning off Nap via CHUD is basically an on/off switch for the chirping.

For example, on both machines, whenever I do a large network file copy, I'll get chirping like crazy, a steady stream of chirping during the file copy. Turning off Nap during the file copy turns the chirp off completely, on both machines.
     
kg109  (op)
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Nov 22, 2004, 12:02 PM
 
Ok, then if its a fan, which is very well could be, then what? I haven't heard an example of the electical chirp, I just assumed that is what I'm experiencing.


Originally posted by cmoney:
Are you sure you've got the electrical chirp? And not another fan, drive, whatever related chirp? I ask because on both my PowerBook G4 and my PowerMac G5, turning off Nap via CHUD is basically an on/off switch for the chirping.

For example, on both machines, whenever I do a large network file copy, I'll get chirping like crazy, a steady stream of chirping during the file copy. Turning off Nap during the file copy turns the chirp off completely, on both machines.
     
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Nov 22, 2004, 03:12 PM
 
Originally posted by kg109:
Ok, then if its a fan, which is very well could be, then what? I haven't heard an example of the electical chirp, I just assumed that is what I'm experiencing.
Try this one. Someone recorded some samples of what it sounds like. Mine's similar but not exactly like that. More consistent than just the beeps he's getting.

http://www.asamnet.de/~altendom/extmix/g5noise.html

Just found this one:

http://www.maartenspruijt.com/G5MachineLANNoise.mp3

Sounds exactly like mine.
     
kg109  (op)
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Nov 22, 2004, 06:19 PM
 
My chirping sound is not like either of those examples - it really sounds like a squeak in the fan. I guess I'll run the box out to my garage and clean it out with a little air (yes I know, a very low psi of air).



Originally posted by cmoney:
Try this one. Someone recorded some samples of what it sounds like. Mine's similar but not exactly like that. More consistent than just the beeps he's getting.

http://www.asamnet.de/~altendom/extmix/g5noise.html

Just found this one:

http://www.maartenspruijt.com/G5MachineLANNoise.mp3

Sounds exactly like mine.
     
   
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