Re: ASUS M2N-E mobo and openSUSE 10.2
- From: Ingo <no.spam@xxxxxxxx>
- Date: Tue, 12 Jun 2007 20:03:35 +0200
Richard Kimber schrieb:
On Fri, 08 Jun 2007 20:14:12 +0200, Ingo wrote:
On openSUSE 10.2 the module k8temp is not available, kernel 2.6.18.8 and
homepage for lm_sensors tells me that it is usable only with later
kernels, so there seems to be no solution:-(
Ingo
I am using 2.6.20-16-generic
So it's likely that a newer kernel will solve things.
Yes, with Ubuntu 7.04 Kernel 2.6.20-16-generic the same as you I got it
work., see my previous post in this thread. With openSUSE I have filed a
kernel bug, especially consideruing that the distribution comes with the
very same version of lm_sensors as Ubuntu.
You say that CPU-temperature is 'fixed' showing constantly 40°C. On my
system I get a similar issue, but it is reported as THRM 'Thermal zone'
It remains constant, and I'm not sure what it relates to.
Yes that#s right THRM 'Thermal zone' is obtained via ACPI and it is the
same under Ubuntu. Maybe caused by buggy ACPI-tables in the BIOS of the MB?
Sensors tells me I have
Core0 Temp: 39.00 (temp1)
Core1 Temp: 39.00 (temp3)
as mentioned before, under Ubuntu I get those 'core-temperatures' as
well. They are read via k8temp directly from the CPU which provides the
readings already digital coded. This is said to be the most accurate way
to read CPU-temperature. However my CPU (Athlon64 X2 4200+ EE) reports
drastically different values for the two cores - I am further digging to
find explanation/solution.
But I also have
temp2: 35.00 (temp2)
which I take to be the motherboard temperature.
That is correct. In my previous posting I had already edited my
sensors.conf and (after multiple confirmation and check the BIOS-values)
assigned:
temp1 -> CPU
temp2 -> Motherboard
Same with the fans, where fan1=CPU, fan2=case, fan3=Powersupply (using
the according header to connect my Enermax Liberty.
But please note: these values are read by the in8716 Super I/O Chip.
This chip also reads the diode in the CPU, but in contrary to k8temp
relies on the external analog measurement of resistance.
Within 1 or 2 degrees the values 'core1' and 'temp1'=CPU do match, so I
am pretty sure they are correct.
Incidentally, a recent kernel upgrade caused my temperature readings to
drop significantly.
Using Boinc on both processors, the CPU temperature has dropped from
around 53C to around 38C (idle is about 28C).
Which value? that one read via k8temp or the one read via in87?
Here I get a maximum of 51°C when running 'burnK7' twice to keep both
cores busy.
I have no idea whether this is a real temperature drop (I hope so), or
some sensors configuration issue, or a bug. The CPU fan revs (which I
assume don't depend on k8temp, but I may be wrong about this - it's a
guess) seem to be consistent with a real effect. The bios adjusts fan
revs according to temperature. Currently, it's about 1680. With a hot
CPU I'd expect around 2500. On a subjective level, the air coming out of
the machine has a cooling effect on my hand and the case is not warm.
Yes, I confirm: the Fan-control of the M2N-E is perfect. My CPU-fan
runs at roughly 500 rpm when desktop idle and CPU-frequency is lowered
to 1,0 GHz. It raises to 1400rpm when CPU is fully busy at 2,2 GHz.
Best regards,
Ingo
.
- Richard
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