- MAC PRO 5.1 NORTHBRIDGE HEATSINK REPLACEMENT CLIPS FULL
- MAC PRO 5.1 NORTHBRIDGE HEATSINK REPLACEMENT CLIPS PC
- MAC PRO 5.1 NORTHBRIDGE HEATSINK REPLACEMENT CLIPS MAC
MAC PRO 5.1 NORTHBRIDGE HEATSINK REPLACEMENT CLIPS PC
The simplest way to prevent noise from inside a PC reaching your ears is to use thick walls, and to force the sound to take the long way out.
MAC PRO 5.1 NORTHBRIDGE HEATSINK REPLACEMENT CLIPS FULL
No I do NOT question the usefullness of these things for certain tasks, but if you want a full PC that is 100% silent, might I offer a different solition instead? It too involves size. PC's are powerfull and can handle a ton of storage and are easily expanded. The only way to check if the screws are properly installed is to remove the cpu heatsink(s).Why are these things always mentioned as possible solutions for a silent PC? They are NOT PC's. But I believe this was only an issue with 2009 models.
This could lead to the Northbridge Chip being inadequately cooled.
MAC PRO 5.1 NORTHBRIDGE HEATSINK REPLACEMENT CLIPS MAC
But, then again, some Mac Pro owners have complained of missing screws on the Northbridge Heatsink. It could be related to your Ambient temperature. I really don't have an explanation for your IOH Tdiode temp. Mine is a 2009 single-CPU model with a slightly different SMC version than your 2012 dual-CPU model, so that might explain the differing behavior. I have to push my CPU to nearly 98C (core temp) before those fans will speed up at all. From what I've observed over time, it takes a considerable amount of CPU load to get those fans to budge off of their 599 rpm miniumums. It's not a dramatic speed difference (your ears would not notice any fanspeed noise from such a modest increase). It's just odd that INTAKE and EXHAUST are running 657 each when 599 is the norm. The power supply is also at its normal default minimum. Your PCI fanspeed is running at the normal defualt idle speed of 799 rpms. I just learned what I know by observing my machine and comparing notes with others. I don't know where fanspeed and temperature correlations are documented. iStat does not report cores, which are hotter. It does not refer to the core temperatures.
Regarding the CPUs, the Tdiode is the temperature at or around the outer casing, or lid. Tdiode is essentially what you described. It's just unusual compared to what I've observed in other Mac Pros (2009-2012). I don't think this is anything to be alarmed about. The CPU appears to be idling, in fact.ĭid you manually set the fanspeeds to those slightly higher speeds? Yours are at 52 and 42 in the screen shot-considerably lower. In order to get my fans to speed up at all, it is necessary to push the CPUs Tdiode temps up into the low 80s. Yours are going a bit faster which is unusual given your CPU temps. The default speed for these in a dual-CPU mac pro is 600 rpm for INTAKE and EXHAUST. What I am curious about is your INTAKE, EXHAUST, and BOOST fans speeds. Of course, it is winter here and Ambient Temp is in the 20sCelcius. The IOH Tdiode in my 2009 Mac Pro is almost always at 62C. Where can I see a detailed guide regarding the correlationss among speed, temperature and CPU usage?Īs those readings (e.g IOH Tdiode and PCIE Slot 1) were not that high before, does it possibly mean somewhere on the motherboard got too much dust on it now? Yes, the CPU was idle when taking the screenshot, and basically that's why I was wondering about the temperature readings as the CPU was not busy at all at that moment. Thank you for your informative explanation.ĭoes Tdiode mean thermal diode? Basically just a thermal sensor? It seems there are heaps of this kind little sensors in Mac Pro?
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