Originally posted by: ArchAngel777
Originally posted by: SerpentRoyal
Quite a few here are running 62C PWM with Q6600 (3.5-3.7GHz). I have not seen any issue with the IP35-E's PWM heat sink. If the board and heat sink are flat, then there should be adequate heat transfer under normal condition. Unlike IP35 Pro, the -E board does not use a heat pipe, which can interfere with the proper seating of the PWM heat sink. Abit does not use grease between the output devices and the PWM heat sink.
If the output device is running north of 65C, then having moderate 40C air flow (low speed 80mm fan) at the PWM region will cause the PWM temp to drop by a few degree. That's physics 101.
Running exactily at 62c? That is incredable! Such an exact temperature for 'quite a few' people. Even if that were their temperature, it doens't invalidate a whole slew of boards running hotter. Additionally, check out
www.abit-usa.com and check out their forums. There have been several people mentioning rather high PWM temps on the IP35-E. Whether you choose to believe it or not is your choice.
Also, if a heat sink is not making good contact and thus, transferring heat, blowing air over that heatsink will do very little to cool that which the heatsink is 'on', physics 101 Additionally, your statement of 'a few degrees' may apply if my complaint was that PWM ran at 65c rather than your stated 62c. However, being that my temperatures (others as well) have been seen north of 80c, I doubt a 'few' degrees is going to bring me in line with those 62c PWM temperatures stated by all these other people.
Fair warning to anyone out there. My particular board runs over 11c hotter than my CPU at the hottest core. I have plenty of air (case temperature is 31c) blowing right over the MOSFET's and even when I didn't their temperature was more or less the same. As far as Serpent, you don't have to make an excuse for the board, or pretend that I have something setup improperly. You can accept the fact that maybe I received a less than 'stellar' board when it comes to temperature. Of course, maybe the sensor isn't calibrated right either, that is also another possiblity that can and does happen at the factories. In any case, I don't believe all the IP35-E boards have an issue with this, but I know at least a few do (as evidence of others posts in the abit forums). Which is why I am giving my more than 'fair' warning. If I really wanted to hold something against this board, I would comment on the shitty fact that you cannot have a USB-Mass storage device hooked up to it or it will hand on BIOS (confirmed with others in the Abit-forums). But I am more than happy to overlook that 'irritating' issue. But again, that isn't an Abit specific issue. Out of our several thousand Intel 815 Chipsets we sold, a few of them had issues with USB devices plugged in while booting. Then there was the issue with the BX Chipset on the Asus P5B. Probably sold around 4,000 of those boards and several of them would lock up when you tried to print to the LPT port... Had to RMA them to Asus and get them replaced. All boards have problems, I just wanted to let people know the ones that I encountered.
To further expound on this issue, I assembled my own duct, attempting to isolate and cool tne MOSFETs. I ran open case, didn't lower temps much at all. I built a duct that ran cool air right to it and that didn't do much of anything either. Basically not much changes other than a few celcius either way. So, for clarification, I too, believed as Serpent did. But my testing has proven that theory wrong.
What I really need to do is remove those heatsinks and reseat them with another TIM. If that doesn't do anything, the sensors are wrong, or the board simply runs hot. It is a proven fact that on nearly ALL motherboards, the quality of TIM applied is TERRIBLE. Remove any heatsink from the motherboard and you will how terrible of a job they do... Normally though, in the past, it has not been much of an issue because they were much like the very old CPU's where they didn't need good contact with a heatsink, because they just naturally ran pretty cool. Those days are over and now motherboard needs not only active cooling, but great contact with their heatsinks.