Running one of the boards myself in a P182 case with a few 120mm fans, seems to be ok. The small heatsink (2) gets very hot as others have reported. I'd burn my fingers if I touched mine. But it seems to not do much harm to performance. The board is running beyond all my expectations.
I've been looking at some alternative heatsinks myself, but have not yet installed any. I've found a few options that could be useful, but not sure if they actually fit, since I have yet to try it myself:
Zalman ZM-NBF47
Their latest design northbridge cooler. It comes with an option to mount it using the loops found on the D201GLY2. My biggest worry would be the clearance between the northbridge and the RAM, not sure if it'll actually fit.
Thermalright HR-05 IFX [Does not fit, see post below]
This sink also comes with a solution to mount it on the loops. I think I saw a picture of someone who had 2 mounted on the D201GLY2, one for the northbridge and one on the CPU. But I've tried to find the picture again and haven't been able to. Downside is that they're pretty big, they may not fit in all cases, though my P182 case should have oceans of space for it. Main worry would be the weight of these things, 120 grams excluding fan. It comes with a spacer of some kind though.
The nice thing is you could mount an 80*25mm fan if needed. Thermalrights previous design of this sink did not (HR-05) come with options to mount on the board using loops, and was only able to mount fans using tiewraps.
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Those 2 options are all I have come up with so far. Though I can't tell you if they actually work, I hope it helps you somewhat anyway.
I'm running Ubuntu on the machine with the board, here are some dumps of (unconfigured) temperature outputs:
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w83627dhg-isa-0290
Adapter: ISA adapter
VCore: +1.34 V (min = +0.00 V, max = +1.74 V)
in1: +12.36 V (min = +7.50 V, max = +5.97 V) ALARM
AVCC: +3.25 V (min = +2.94 V, max = +1.47 V) ALARM
3VCC: +3.25 V (min = +0.38 V, max = +3.94 V)
in4: +1.81 V (min = +1.36 V, max = +0.89 V) ALARM
in5: +0.10 V (min = +0.58 V, max = +1.30 V) ALARM
in6: +5.02 V (min = +2.00 V, max = +1.02 V) ALARM
VSB: +3.25 V (min = +2.46 V, max = +0.30 V) ALARM
VBAT: +2.03 V (min = +3.06 V, max = +2.24 V) ALARM
Case Fan: 781 RPM (min = 677 RPM, div = 8)
CPU Fan: 733 RPM (min = 1328 RPM, div = 8) ALARM
Aux Fan: 0 RPM (min = 114 RPM, div = 128) ALARM
fan4: 0 RPM (min = 10546 RPM, div = 128) ALARM
Sys Temp: +36°C (high = +50°C, hyst = +7°C)
CPU Temp: +43.0°C (high = +110.0°C, hyst = +75.0°C)
AUX Temp: +18.5°C (high = +80.0°C, hyst = +75.0°C)
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/dev/sda: WDC WD5000AAKS-00YGA0: 32°C
/dev/sdb: WDC WD5000AAKS-00TMA0: 32°C
All
idle temperatures. I've seen the CPU temperature go up to about 50-54 degrees once, but no higher than that.
