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Possible coil whine in my nMP
- Thread starter tylmad
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Maybe it is just the ghost of Steve Jobs trying to communicate with you from beyond the grave.
He should've used a cheaper component than then nMP to do it with then, no tolerance for whine from a machine at that price, ghost or not
He should've used a cheaper component than then nMP to do it with then, no tolerance for whine from a machine at that price, ghost or not
Well can you at least ask him when the mythical Apple TV will be done?
They did this when I got my first replacement, but since that one also had the noise, I did a regular return and made a new order for a differently speced machine. (hoping the noise was D500 4c related) Apple said something about this being a new order and that they couldn't let me hold on to the whining machine as I waited for the new one.
I was one of those who F5:ed until the actual second when you could order the nMP, so I'm not so happy about waiting again
As expected my 6 core D700, 512, 16GB does this too. I am not one bit surprised as I am sure they all do it until Apple releases a fix via FW or factory. Personally I find it very faint and can't really hear it until I put my ear up to the machine and its about the same loudness as the fan. It sounds like a very quiet mechanical HD accessing data lol.
Have tried putting load on the GPU's? When I run Luxmark it sounds like it's about to explode in certain periods of the test
The ambient noise really does sounds like a very quiet mechanical HD!
But, I want an SSD!I tried xplane maxed out settings and barely hear it. Whats bugging me now is I have this little static pop in my klipcs speakers every couple of seconds. Its not from the mac as I can remove the cable and plug them into something else or leave them unplugged and same thing. I never noticed it before until I started listening of the mac whine.
Have tried putting load on the GPU's? When I run Luxmark it sounds like it's about to explode in certain periods of the test
How amusing, I'm in the same boat. Never noticed the static sizzle that my two pairs of Soundsticks (III, wired) make. While investigating the Mac Pro coil whine I've now noticed that too, highly annoying
Yup sometimes reading the forums can bring out problems you never noticed
Now I'm going to go home tonight and pull everything apart and see if I can find the cause.
Now I'm going to go home tonight and pull everything apart and see if I can find the cause.
How amusing, I'm in the same boat. Never noticed the static sizzle that my two pairs of Soundsticks (III, wired) make. While investigating the Mac Pro coil whine I've now noticed that too, highly annoying
If you hear an annoying sound (even not loud),something is wrong...
I know by experience that if you notice something annoying, even if it is a small thing, you become more and more fixed to that until you can't avoid but paying attention all the time to it.
After so many people have noticed this particular sound, and some wrote they returned their machine, I think it is by now a bug and Apple should take serious measures to stop it.
Such a machine deserves the very best parts and the faulty one should soon be identified and replaced.
A silent machine should be silent.
He should've used a cheaper component than then nMP to do it with then, no tolerance for whine from a machine at that price, ghost or not
I know by experience that if you notice something annoying, even if it is a small thing, you become more and more fixed to that until you can't avoid but paying attention all the time to it.
After so many people have noticed this particular sound, and some wrote they returned their machine, I think it is by now a bug and Apple should take serious measures to stop it.
Such a machine deserves the very best parts and the faulty one should soon be identified and replaced.
A silent machine should be silent.
What's annoying is that I didn't even check for it (which I usually do when I build a machine), I just expected this machine to be awesome, but due to my decent hearing it was just impossible to ignore it. I heard it within 10 seconds of finishing the installation process, after that I knew it was there and it was impossible to ignore.
It is faulty hardware, there's no excuse for coil whine really, at least to my knowledge. I've exchanged a couple of graphic cards and a PSU due to coil whine, it has never met any resistance from the stores (and the replaced parts hasn't had the issue).
maybe all those with the coil whine should put their oMPs next to the nMP and see if they still hear the whine...
My thought exactly. Or alternatively, have a few kids.
I understand them. nMP selling point from Apple marketing department is it is deadly quite. If it makes noise, this is advertising failure, which can be sued in USA.
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So this am it was dead silent in my room. I went to add my wireless printer and as it was installing the driver I could hear the whine a bit. Normally I have the TV or music on so I do not notice its. It kind of reminds me of those plasma globes back in the 80s lol but not as loud.
Im 100 certain that a replacement will do the same thing. Apple will need to change some components in production. I am going to wait it out and see how Apple addresses this issue. Hopefully a FW update can fix it but most likely it will require replacing the power supply. Maybe they will be able to do this in the store. If it does require a replacement I wonder if I can just swap out the SSD. I am to lazy to re install everything.
I will report the issue to Apple but I don't want them to send me a replacement now that I'm certain it will do the same thing and end up wasting my time.
Im 100 certain that a replacement will do the same thing. Apple will need to change some components in production. I am going to wait it out and see how Apple addresses this issue. Hopefully a FW update can fix it but most likely it will require replacing the power supply. Maybe they will be able to do this in the store. If it does require a replacement I wonder if I can just swap out the SSD. I am to lazy to re install everything.
I will report the issue to Apple but I don't want them to send me a replacement now that I'm certain it will do the same thing and end up wasting my time.
I agree that the PSU is the most likely culprit, but this could also be any other component like the GPU(s) or motherboard. The engineers are taking an insanely long time replying in my case, I really hope to hear something back tomorrow.
I read somewhere you can use a paper towel tube up to the ear to locate where it is coming from. Just need to trick the mac into thinking the cover is on.
My exp with Apple is that they will not admit problems just like the accelerometer issue with the 5S that they never admitted but just fixed it in iOS update.
My exp with Apple is that they will not admit problems just like the accelerometer issue with the 5S that they never admitted but just fixed it in iOS update.
Anyone checked Hz ?
Has anyone done the tests to see if it's frequency vs voltage or both?
Many of these complaints seem to come from Europe, where both the frequency and voltage are different from the colonies.
If a stepped down 120v/50Hz whines, that suggests that it's the Hz.
If a stepped up 240v/60Hz whines, that suggests that it's the voltage.
If neither whine, perhaps only 240v/50Hz wasn't properly tested.
Has anyone done the tests to see if it's frequency vs voltage or both?
Many of these complaints seem to come from Europe, where both the frequency and voltage are different from the colonies.
If a stepped down 120v/50Hz whines, that suggests that it's the Hz.
If a stepped up 240v/60Hz whines, that suggests that it's the voltage.
If neither whine, perhaps only 240v/50Hz wasn't properly tested.
It's most likely the GPUs.
The GPUs are based off of the AMD Tahiti chipset, and there has been tons of issues PC-side with coil whine with the Radeon 78xx/79xx series, which these GPUs are based off of.
The GPUs are based off of the AMD Tahiti chipset, and there has been tons of issues PC-side with coil whine with the Radeon 78xx/79xx series, which these GPUs are based off of.
Ok, I just had a surreal experience (in a hardware purchase sense).
I got in contact with Apple and the guy acknowledged that there are multiple issues with the nMP (information he got from the engineers). He didn't say which issues except the coil whine and something about power supplies not working. The engineers have been gathering machines for a while and are looking at how they can fix it.
Here's the surreal part, the only thing for me to do was to cancel the purchase and get a refund. They won't send a new machine because it will likely be broken, I guess they deem it pointless to do the whole building and shipping things that doesn't work. They don't want to repair my machine either, they just want me to cancel the purchase.
There's a first for everything, I did not expect this outcome at all tbh, I expected a longer waiting period while sending in my machine and them looking at it, but apparently it's of no use to them since they know what the issue is.
I got in contact with Apple and the guy acknowledged that there are multiple issues with the nMP (information he got from the engineers). He didn't say which issues except the coil whine and something about power supplies not working. The engineers have been gathering machines for a while and are looking at how they can fix it.
Here's the surreal part, the only thing for me to do was to cancel the purchase and get a refund. They won't send a new machine because it will likely be broken, I guess they deem it pointless to do the whole building and shipping things that doesn't work. They don't want to repair my machine either, they just want me to cancel the purchase.
There's a first for everything, I did not expect this outcome at all tbh, I expected a longer waiting period while sending in my machine and them looking at it, but apparently it's of no use to them since they know what the issue is.