I am running CentOS 4 (uname ?r 2.6.9-34.0.1.EL) with an ECS NFORCE3-939 MB
and AMD Athlon64 3000+ processor
I am having problems with the CPU temp and core voltage value using
lm-sensors.
I first installed lm-sensors using yum (lm_sensors.x86_64 2.8.7-2.40.3).
After install saw these problems so removed the install and installed 2.10
from source. Got error on make for sysfs/libsysfs.h so installed
sysfsutils-devel using yum (sysfsutils-devel.x86_64 1.2.0-1). Did make
clean and then installed successfully.
After install ran sensor-detect and detected my chip successfully The
pertinent output from sensors-detect:
------------------ sensors-detect output start
-------------------------------
Probing for `ITE 8712F Super IO Sensors'
Success... found at address 0x0290
To make the sensors modules behave correctly, add these lines to
/etc/modules.conf:
#----cut here----
# I2C module options
alias char-major-89 i2c-dev
#----cut here----
To load everything that is needed, add this to some /etc/rc* file:
#----cut here----
# I2C adapter drivers
modprobe i2c-isa
# I2C chip drivers
modprobe it87
# sleep 2 # optional
/usr/local/bin/sensors -s # recommended
#----cut here----
------------------ sensors-detect output end
-------------------------------
Edited modprobe.conf to add:
alias char-major-89 i2c-dev
Generated /etc/sysconfig/lm_sensors:
# Generated by sensors-detect on Sat Jun 17 16:02:34 2006
MODULE_0=i2c-isa
MODULE_1=it87
Lsmod:
[root at web etc]# lsmod
Module Size Used by
it87 28393 0
i2c_sensor 4161 1 it87
i2c_isa 2881 0
i2c_core 27841 3 it87,i2c_sensor,i2c_isa
Had to adjust voltages computations for in5 and in6 from a post I found
regarding a TYAN mb that had the same chip:
compute in5 (@ * (1+4.14)) - (4.096*4.14) , (@ + (4.096*4.14)) /
(1+4.14)
compute in6 (@ * (1+2.14)) - (4.096*2.14) , (@ + (4.096*2.14)) /
(1+2.14)
When I run sensors:
[root at web etc]# sensors
it87-isa-0290
Adapter: ISA adapter
CPU VCore: +1.07 V (min = +1.28 V, max = +1.42 V) ALARM
+1.5V: +1.47 V (min = +1.42 V, max = +1.57 V)
+3.3V: +3.31 V (min = +3.14 V, max = +3.47 V)
+5V: +4.92 V (min = +4.76 V, max = +5.24 V)
+12V: +11.71 V (min = +11.39 V, max = +12.61 V)
-12V: -12.11 V (min = -12.60 V, max = -11.37 V)
-5V: -4.80 V (min = -5.25 V, max = -4.75 V)
Stdby: +5.03 V (min = +4.76 V, max = +5.24 V)
VBat: +2.94 V
CPU Fan: 3245 RPM (min = 3013 RPM, div = 8)
Case Fan: 981 RPM (min = 664 RPM, div = 8)
Temp1: +4??C (low = +15??C, high = +40??C) sensor =
thermistor
Temp2: +30??C (low = +15??C, high = +45??C) sensor =
thermistor
Everything looks good except the CPU core voltage and CPU temp.
The bios reads 1.37V for coreV but lm_sensors reads 1.07 consistently.
The bios for temps: MB = 31 and CPU = 52. Both are pretty consistent in the
bios.
The CPU temperature in lm_sensors fluctuates between -5 and 50. I have
tried using the diode for both temp1 and temp2 and ignoring different
combinations with no success. If the temperature was consistent I would
feel better like a correction factor was needed but it is all over the
place. Also the chip designation in sensors.conf is
chip "it87-*" "it8712-*"
If I have just ?it8712-*? it does not detect the configuration in the
sensors.conf and uses all defaults.
Can you help me out at all? The CPU temp was the main thing I am looking
for.
Thanks for any help you can provide. I have also sent a support request to
ECS but don?t really expect too much help from them.
Thank you, Lou Parisi
Lou at parisihome.net
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