-5V and -12 reversed in sensors output?

[markknecht@…]

I switched to a passive heatsink on my A8N-E AMD64 motherboard and wanted to install lm_sensors to monitor temperature on the north bridge. I noticed that the readout for the -5V and -12V power supplies seems to be reversed:

lightning ~ # sensors
k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp:
             +46°C

it8712-isa-0290
Adapter: ISA adapter
VCore 1:   +1.41 V  (min =  +0.00 V, max =  +4.08 V)   
VCore 2:   +0.00 V  (min =  +0.00 V, max =  +4.08 V)   ALARM
+3.3V:     +3.22 V  (min =  +0.00 V, max =  +4.08 V)   
+5V:       +4.84 V  (min =  +0.00 V, max =  +6.85 V)   
+12V:     +12.16 V  (min =  +0.00 V, max = +16.32 V)   
-12V:      -5.02 V  (min = -27.36 V, max =  +3.93 V)   
-5V:      -13.64 V  (min = -13.64 V, max =  +4.03 V)   ALARM
Stdby:     +4.87 V  (min =  +0.00 V, max =  +6.85 V)   
VBat:      +3.09 V
fan1:     1548 RPM  (min =    0 RPM, div = 8)          
fan2:        0 RPM  (min =    0 RPM, div = 8)          
fan3:        0 RPM  (min =    0 RPM, div = 8)          
M/B Temp:    +43°C  (low  =    -1°C, high =  +127°C)   sensor = thermistor   
CPU Temp:    +42°C  (low  =    -1°C, high =  +127°C)   sensor = thermistor   
Temp3:       +30°C  (low  =    -1°C, high =  +127°C)   sensor = thermistor   

lightning ~ #

Not sure what other info you want or need:

lightning ~ # sensors -v    
sensors version 2.10.1 with libsensors version 2.10.1
lightning ~ #

lightning ~ # uname -a
Linux lightning 2.6.21-rc5-rt12 #2 PREEMPT Mon Apr 9 08:15:47 PDT 2007 x86_64 AMD Athlon(tm) 64 Processor 3000+ AuthenticAMD GNU/Linux
lightning ~ # 

lightning ~ # emerge -pv lm_sensors

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R   ] sys-apps/lm_sensors-2.10.1  USE="-sensord" 0 kB 

Total: 1 package (1 reinstall), Size of downloads: 0 kB
lightning ~ # 

lightning ~ # lsmod
Module                  Size  Used by
it87                   22096  0 
hwmon_vid               2880  1 it87
i2c_isa                 6144  1 it87
eeprom                  7248  0 
snd_seq_midi            7296  0 
snd_pcm_oss            40160  0 
snd_mixer_oss          15168  1 snd_pcm_oss
snd_seq_dummy           3460  0 
snd_seq_oss            29696  0 
snd_seq_midi_event      7040  2 snd_seq_midi,snd_seq_oss
snd_seq                48000  6 snd_seq_midi,snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
realtime                9416  0 
sbp2                   22148  0 
radeon                115488  2 
drm                    84264  3 radeon
k8temp                  5888  0 
snd_hdsp               47812  0 
snd_rawmidi            21216  2 snd_seq_midi,snd_hdsp
snd_seq_device          7252  5 snd_seq_midi,snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi
snd_hwdep               8456  1 snd_hdsp
ohci1394               31560  0 
ieee1394               91088  2 sbp2,ohci1394
snd_intel8x0           32296  1 
snd_ac97_codec        107288  1 snd_intel8x0
ac97_bus                3712  1 snd_ac97_codec
snd_pcm                74376  4 snd_pcm_oss,snd_hdsp,snd_intel8x0,snd_ac97_codec
snd_timer              20424  2 snd_seq,snd_pcm
snd                    52392  14 snd_pcm_oss,snd_mixer_oss,snd_seq_oss,snd_seq,snd_hdsp,snd_rawmidi,snd_seq_device,snd_hwdep,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
snd_page_alloc          8208  3 snd_hdsp,snd_intel8x0,snd_pcm
i2c_nforce2             6016  0 
i2c_core               21056  4 it87,i2c_isa,eeprom,i2c_nforce2
lightning ~ #

lightning ~ # cat /etc/conf.d/lm_sensors 
#    /etc/conf.d/sensors - Defines modules loaded by /etc/init.d/lm_sensors
#    Copyright (c) 1998 - 2001  Frodo Looijaard <frodol@dds.nl>
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#
# See also the lm_sensors homepage at:
#     http://www.lm-sensors.org/
#
# This file is used by /etc/init.d/lm_sensors and defines the modules to
# be loaded/unloaded. This file is sourced into /etc/init.d/lm_sensors.
#
# The format of this file is a shell script that simply defines the modules
# in order as normal variables with the special names:
#    MODULE_0, MODULE_1, MODULE_2, etc.
#
# Please note that the numbers in MODULE_X must start at 0 and increase in
# steps of 1. Any number that is missing will make the init script skip the
# rest of the modules. Use MODULE_X_ARGS for arguments.
#
# List the modules that are to be loaded for your system
#
# Generated by sensors-detect on Sun Apr  8 17:37:23 2007

# Load modules at startup
LOADMODULES=yes

# Initialize sensors at startup
INITSENSORS=yes

MODULE_0=i2c-nforce2
MODULE_1=eeprom
MODULE_2=k8temp
MODULE_3=it87
lightning ~ #

Hope this helps.

Mark Knecht

markknecht@…

[khali]

Please see the FAQ:

wiki:FAQ/Chapter3#a-5Vand-12Vreadingsarewayoutofrange