Don't know why and I do know that the temp range is about the same in later bioses. What q-fan does is keep the cpu fan moving at the quietest mode until the target temperature is reached then the cpu fan goes to 100%. I've been watching mine and have digital probes on the heatsink and find that with the voltage manually set to 1.4 volts the cpu rarely gets to the target temp.
A8N-SLI Premium Q-Fan temperature range
I have just upgraded to this MB, and is wondering why Asus has choosen to specify so high temperatures in the Q-Fan settings.
To me, the range is completely useless, leaving me no choice other than to use Speedfan for controlling the fans. My system never gets above 42 degrees, even at a hot summers day.
Asus specifying a range from 51 to way above Athlon 64's thermal specs is totally insane, and will produce a higly unstable system if someone chooses to use the Q-Fan feature. Someone could get the idea that the temperature settings is reused from an Intel board Bios to save time. :grin:
One could hope that someone by Asus reads on in this forum, and will correct this matter in the next Bios release.
A temperature range starting at 40 degrees in step of 2 would make sense, and usable together the boxed cooler and large coolers to.
Just my 2-cent.
Hans
To me, the range is completely useless, leaving me no choice other than to use Speedfan for controlling the fans. My system never gets above 42 degrees, even at a hot summers day.
Asus specifying a range from 51 to way above Athlon 64's thermal specs is totally insane, and will produce a higly unstable system if someone chooses to use the Q-Fan feature. Someone could get the idea that the temperature settings is reused from an Intel board Bios to save time. :grin:
One could hope that someone by Asus reads on in this forum, and will correct this matter in the next Bios release.
A temperature range starting at 40 degrees in step of 2 would make sense, and usable together the boxed cooler and large coolers to.
Just my 2-cent.
Hans
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I quite agree, but my 120 mm. slow rotating fans simply stops, heating the entire system up in temperatures way to high. I'm worried about my HDD's, so i can't really use the range in the present bios release.Worren said:Don't know why and I do know that the temp range is about the same in later bioses. What q-fan does is keep the cpu fan moving at the quietest mode until the target temperature is reached then the cpu fan goes to 100%. I've been watching mine and have digital probes on the heatsink and find that with the voltage manually set to 1.4 volts the cpu rarely gets to the target temp.
The ThermalRight XP120 cooler with a 1200 rpm. Pabst fan on top keeps my 3800+ at 31 C idle and 42 C max. temperature, leaving the settings in the bios as completly nonsense. I use SpeedFan with the trip point at 38 C.
Asus should really lower the range with at least 10 degrees, i.e. from 38 to max. 55 C. A system running more than 55 C will be unstable in the long run due to AMD's quite low temperatured thermal design for the Athlon 64.
The point is, that 65 C is the absolute max. for this CPU, so why on earth specify temperatures from 66 to 81 in the bios. The CPU is long gone before this range.
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