> Von: "Juerg Haefliger" <juergh at gmail.com>
>
> Hi Juergen,
>
>
> > > Von: "Juerg Haefliger" <juergh at gmail.com>
> > >
> > > > So, which version is needed to run the dme1737 on the asus board (Which I think doesnt have the
> > > > SCH3114 Super I/O chip)?
> > > >
> >
> > However, I get strange temperatures for the cpu. With the fan at 3000 rpm and idle cpu I get a temperature
> > of 17 ?C, while room temperature is 20?C. I think this is not possible.
>
> That is strange indeed. Can you reproduce this and then unload the
> dme1737 module and run 'i2cdump 0 0x2e' and post the output?
>
Here it is. First sensors output (I installed a patch to make k8temp work on my brandnew AMD BE-2350 and
results seem to be reasonable. However there is a discussion about this patch and I am not sure it is ok):
dme1737-i2c-0-2e
Adapter: SMBus nForce2 adapter at 4c00
V5stby: +0.00 V (min = +0.00 V, max = +6.64 V) ALARM
Vccp: +1.09 V (min = +0.00 V, max = +2.99 V)
V3.3: +3.27 V (min = +0.00 V, max = +4.38 V)
V5: +4.94 V (min = +0.00 V, max = +6.64 V)
V12: +11.77 V (min = +0.00 V, max = +15.94 V)
V3.3stby: +3.29 V (min = +0.00 V, max = +4.38 V)
Vbat: +2.98 V (min = +0.00 V, max = +4.38 V)
Int Temp: +31?C (low = -127?C, high = +127?C)
CPU Temp: +16?C (low = -127?C, high = +127?C)
CPU_Fan: 3010 RPM (min = 0 RPM)
ERROR: Can't get fan3 data!
ERROR: Can't get fan5 data!
ERROR: Can't get fan6 data!
CPU_PWM: 255 (enable = 0, freq = 25000 Hz)
ERROR: Can't get pwm5 data!
ERROR: Can't get pwm6 data!
cpu0_vid: +1.550 V (VRM Version 2.4)
k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp:
+29?C
Core0 Temp:
+32?C
Core1 Temp:
+36?C
Core1 Temp:
+34?C
And here the output from i2cdump. I had to modprobe i2c-dev to make it work. Is this normal?
lisa:/home/jba# i2cdump 0 0x2e
No size specified (using byte-data access)
WARNING! This program can confuse your I2C bus, cause data loss and worse!
I will probe file /dev/i2c-0, address 0x2e, mode byte
Continue? [Y/n] y
0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef
00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
20: 00 5d be bd bc 80 1e 0f fe 06 ff ff ff ff ff ff .]????????......
30: ff ff ff 00 00 00 00 00 00 00 00 00 00 00 5c 8a ..............\?
40: 05 91 40 00 00 ff 00 ff 00 ff 00 ff 00 ff 81 7f ??@...........??
50: 81 7f 81 7f ff ff ff ff ff ff ff ff 62 62 62 cb ????........bbb?
60: cb bb e0 00 55 80 80 5a 5a 33 64 64 45 40 40 00 ???.U??ZZ3ddE@@.
70: ff ff ff 09 09 09 09 09 09 00 30 00 40 00 ec 18 ...??????.0. at .??
80: 7e a4 0e 00 42 90 3d 90 35 00 4d 4d 0b 0b 0c 00 ~??.B?=?5.MM???.
90: 04 04 04 04 0c 0c 0c 5a f1 bf ad 00 ff 00 ff 00 ???????Z???.....
a0: 00 00 0c 00 02 00 00 0b 0b fe ff fe ff ff ff ff ..?.?..???.?....
b0: ff 00 00 00 00 00 28 28 0e 0e 2b 2b 00 00 00 00 ......((??++....
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
e0: 00 0f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 .?..............
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
>
> > I now use fancontrol which turns fan speed to 0 rpm. Here is the output of sensors:
> >
> > dme1737-i2c-0-2e
> > Adapter: SMBus nForce2 adapter at 4c00
> > V5stby: +0.00 V (min = +0.00 V, max = +6.64 V) ALARM
> > Vccp: +1.10 V (min = +0.00 V, max = +2.99 V)
> > V3.3: +3.28 V (min = +0.00 V, max = +4.38 V)
> > V5: +4.94 V (min = +0.00 V, max = +6.64 V)
> > V12: +11.80 V (min = +0.00 V, max = +15.94 V)
> > V3.3stby: +3.29 V (min = +0.00 V, max = +4.38 V)
> > Vbat: +2.98 V (min = +0.00 V, max = +4.38 V)
> > Int Temp: +34?C (low = -127?C, high = +127?C)
> > CPU Temp: +29?C (low = -127?C, high = +127?C)
> > CPU_Fan: 0 RPM (min = 0 RPM)
> > ERROR: Can't get fan3 data!
> > ERROR: Can't get fan5 data!
> > ERROR: Can't get fan6 data!
> > CPU_PWM: 0 (enable = 1, freq = 25000 Hz)
> > ERROR: Can't get pwm5 data!
> > ERROR: Can't get pwm6 data!
> > cpu0_vid: +1.550 V (VRM Version 2.4)
> >
> > I think 29 ?C is also very low for idle and no fan, even for my AMD BE-2350
> > (45 w maximum power consumption). Also, Int-Temperature (is this board temperature?)
> > is higher than cpu- temperature. This changes only for high load, where
> > cpu-temperature increases more than int-temperature.
>
> That's possible. The Int-temp is the dme1737 internal temperature, not
> the 'board' temperature. Depending on how hot the chip itself is this
> temperature can be rather high.
>
>
> > At first I thought that temperature calculation is wrong in lm-sensors. However,
> > BIOS shows nearly the same temperatures.
>
> There's not much that can be done wrong here. All the driver does is
> convert from unsigned to signed. Sensors itself doesn't do any
> conversion.
>
So maybe the reason for the low temperature is just the measurement error? Maybe the real
temperature is 23 ? and the error is 7 K?
Juergen
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