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longship
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Joined: 04 Jun 2005
Posts: 294
Location: Ontario, CA USA
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 Posted: Tue Feb 28, 2006 8:46 pm Post subject: Here is refined sensors.conf for ASUS A8N motherboards |
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I went through the trouble to research the sensors on these motherboards when I was installing Gentoo on my A8N-SLi Premium. I report how to install and configure the sensors in this post. However, the voltages were low, especially the +5V one. I have a Seasonic PSU and Seasonic support told me that the voltage sensors are not reliable unless they are calibrated. I now have done so.
If you have one of these motherboards and are running lm_sensors this may be helpful to you if the +5V and/or +12V sensors are reporting voltages which are too low.
Here is my new sensors.conf with the necessary corrections to the +5v and +12v sensors:
| Code: | chip "it87-*" "it8712-*"
# The values below have been tested on Asus CUSI, CUM motherboards.
# Voltage monitors as advised in the It8705/It8712 data sheets
label in0 "VCore 1"
label in1 "VCore 2"
label in2 "+3.3V"
label in3 "+5V"
label in4 "+12V"
label in5 "-5V"
label in6 "-12V"
label in7 "Stdby"
label in8 "VBat"
# Ignore unsupported or flakey interfaces
ignore vid
ignore in1
ignore in5 # -5V is unsupported
ignore in6 # -12V is unsupported
ignore in7
ignore in8
# Scale the voltages
# Note: in5 and in6 don't work, but these scales are the ones documented
# Calibration: in3 (+5V) has +0.16 offset, in4 (+12V) has +0.13 offset.
# compute in0 -0.05 + @ , @ + 0.05
compute in3 0.16+((6.8/10)+1)*@ , (@ - 0.16)/((6.8/10)+1)
compute in4 0.13+((30/10) +1)*@ , (@ - 0.13)/((30/10) +1)
compute in5 (7.67 * @) - 27.36 , (@ + 27.36) / 7.67
compute in6 (4.33 * @) - 13.64 , (@ + 13.64) / 4.33
compute in7 ((6.8/10)+1)*@ , @/((6.8/10)+1)
# Ranges
set in0_min 1.5 * 0.85
set in0_max 1.5 * 1.05
set in1_min 2.4
set in1_max 2.6
set in2_min 3.3 * 0.95
set in2_max 3.3 * 1.05
set in3_min 5.0 * 0.95
set in3_max 5.0 * 1.05
set in4_min 12 * 0.95
set in4_max 12 * 1.05
set in5_max -5 * 0.95
set in5_min -5 * 1.05
set in6_max -12 * 0.95
set in6_min -12 * 1.05
set in7_min 5 * 0.95
set in7_max 5 * 1.05
# Temperature
# 2 = thermistor; 3 = thermal diode; 0 = unused
set sensor1 2
set sensor2 2
set sensor3 2
# If a given sensor isn't used, you will probably want to ignore it
# (see ignore statement right below).
label temp1 "CPU Temp"
set temp1_over 60
set temp1_low 15
label temp2 "C/S Temp"
set temp2_over 60
set temp2_low 15
label temp3 "M/B Temp"
set temp3_over 50
set temp3_low 15
# compute temp1 (-15.096 + 1.4893 * @) , (@ + 15.096) / 1.4593
# Fans (only two fans supported)
label fan1 "CPU Fan"
label fan2 "Cha1 Fan"
set fan1_min 500
set fan2_min 500
ignore fan3 |
Here are my sensors with this configuration. Voltages are correct:
| Code: | it8712-isa-0290
Adapter: ISA adapter
VCore 1: +1.36 V (min = +1.28 V, max = +1.57 V)
+3.3V: +3.25 V (min = +3.14 V, max = +3.47 V)
+5V: +4.97 V (min = +4.76 V, max = +5.24 V)
+12V: +12.10 V (min = +11.39 V, max = +12.61 V)
CPU Fan: 2721 RPM (min = 664 RPM, div = 8)
Cha1 Fan: 1562 RPM (min = 664 RPM, div = 8)
CPU Temp: +28 C (low = +15 C, high = +60 C) sensor = thermistor
C/S Temp: +37 C (low = +15 C, high = +60 C) sensor = thermistor
M/B Temp: +27 C (low = +15 C, high = +50 C) sensor = thermistor |
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VIA C3-Nehemiah, VIA EPIA MII12000 + Scythe e-Otonashi fanless case |
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get sirius
Guru
Joined: 27 Apr 2002
Posts: 316
Location: Madison, WI
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| Posted: Thu Mar 02, 2006 1:38 am Post subject: |
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Great work! I've got the same motherboard, so I'll make the changes and cherish the accuracy  . |
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mudrii
l33t
Joined: 26 Jun 2003
Posts: 789
Location: Singapore
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| Posted: Thu Mar 02, 2006 4:16 pm Post subject: |
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Thank you indeed is very helpful
but if you use governor cpu scaling you should adjust VCore 1
sensors
it8712-isa-0290
Adapter: ISA adapter
VCore 1: +1.10 V (min = +1.28 V, max = +1.57 V) ALARM
+3.3V: +3.34 V (min = +3.14 V, max = +3.47 V)
+5V: +5.11 V (min = +4.76 V, max = +5.24 V)
+12V: +11.91 V (min = +11.39 V, max = +12.61 V)
CPU Fan: 860 RPM (min = 664 RPM, div = 
Cha1 Fan: 964 RPM (min = 664 RPM, div =
CPU Temp: +32 C (low = +15 C, high = +60 C) sensor = thermistor
C/S Temp: +32 C (low = +15 C, high = +60 C) sensor = thermistor
M/B Temp: +24 C (low = +15 C, high = +50 C) sensor = thermistor
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longship
Apprentice
Joined: 04 Jun 2005
Posts: 294
Location: Ontario, CA USA
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| Posted: Fri Mar 03, 2006 3:46 am Post subject: |
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| mudrii wrote: | Thank you indeed is very helpful
but if you use governor cpu scaling you should adjust VCore 1
sensors
it8712-isa-0290
Adapter: ISA adapter
VCore 1: +1.10 V (min = +1.28 V, max = +1.57 V) ALARM
+3.3V: +3.34 V (min = +3.14 V, max = +3.47 V)
+5V: +5.11 V (min = +4.76 V, max = +5.24 V)
+12V: +11.91 V (min = +11.39 V, max = +12.61 V)
CPU Fan: 860 RPM (min = 664 RPM, div =
Cha1 Fan: 964 RPM (min = 664 RPM, div =
CPU Temp: +32 C (low = +15 C, high = +60 C) sensor = thermistor
C/S Temp: +32 C (low = +15 C, high = +60 C) sensor = thermistor
M/B Temp: +24 C (low = +15 C, high = +50 C) sensor = thermistor |
Agreed. I'll have to rig a jig to do that. I'll do that. When I do so, I'll post it on these forums.
N.B., YMMV. It is likely that these calibrations are specific to each installation. It's easy to do the +5, +12, and +3.3 volt sensors since they are readily available on standard connectors which are plentiful. I got the +5 and +12 off of a molex drive connector. I got the +3.3 off a legacy MoBo connector. The Vcore is a different matter. I'll have to rig something to handle it without risking my MoBo or CPU.
Any suggestions?
_________________
AMD 64 X2 4400+, ASUS A8N-Sli Premium + Lian Li PC-V1000A Plus
AMD Duron 800, ABit KT7E, junk case
VIA C3-Nehemiah, VIA EPIA MII12000 + Scythe e-Otonashi fanless case |
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Monkeh
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Posts: 1656
Location: England
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| Posted: Sun Mar 12, 2006 2:27 am Post subject: |
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| This is gonna sound stupid.. What is the C/S Temp? |
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longship
Apprentice
Joined: 04 Jun 2005
Posts: 294
Location: Ontario, CA USA
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| Posted: Sun Mar 12, 2006 3:00 am Post subject: |
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| Monkeh wrote: | | This is gonna sound stupid.. What is the C/S Temp? |
Not stupid...
Chipset temp.
You could also label it nForce4 Temp, or Northbridge Temp or ...
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AMD 64 X2 4400+, ASUS A8N-Sli Premium + Lian Li PC-V1000A Plus
AMD Duron 800, ABit KT7E, junk case
VIA C3-Nehemiah, VIA EPIA MII12000 + Scythe e-Otonashi fanless case |
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Monkeh
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Posts: 1656
Location: England
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| Posted: Sun Mar 12, 2006 3:08 am Post subject: |
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| longship wrote: | | Monkeh wrote: | | This is gonna sound stupid.. What is the C/S Temp? |
Not stupid...
Chipset temp.
You could also label it nForce4 Temp, or Northbridge Temp or ... |
Ah.. So where's the motherboard temp sensor? |
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mudrii
l33t
Joined: 26 Jun 2003
Posts: 789
Location: Singapore
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| Posted: Sun Mar 12, 2006 4:08 am Post subject: |
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| longship wrote: | | mudrii wrote: | Thank you indeed is very helpful
but if you use governor cpu scaling you should adjust VCore 1
sensors
it8712-isa-0290
Adapter: ISA adapter
VCore 1: +1.10 V (min = +1.28 V, max = +1.57 V) ALARM
+3.3V: +3.34 V (min = +3.14 V, max = +3.47 V)
+5V: +5.11 V (min = +4.76 V, max = +5.24 V)
+12V: +11.91 V (min = +11.39 V, max = +12.61 V)
CPU Fan: 860 RPM (min = 664 RPM, div =
Cha1 Fan: 964 RPM (min = 664 RPM, div =
CPU Temp: +32 C (low = +15 C, high = +60 C) sensor = thermistor
C/S Temp: +32 C (low = +15 C, high = +60 C) sensor = thermistor
M/B Temp: +24 C (low = +15 C, high = +50 C) sensor = thermistor |
Agreed. I'll have to rig a jig to do that. I'll do that. When I do so, I'll post it on these forums.
N.B., YMMV. It is likely that these calibrations are specific to each installation. It's easy to do the +5, +12, and +3.3 volt sensors since they are readily available on standard connectors which are plentiful. I got the +5 and +12 off of a molex drive connector. I got the +3.3 off a legacy MoBo connector. The Vcore is a different matter. I'll have to rig something to handle it without risking my MoBo or CPU.
Any suggestions? |
My sensors conf for ASUS a8n-sli Premium
| Code: | chip "it87-*" "it8712-*"
# The values below have been tested on Asus CUSI, CUM motherboards.
# Voltage monitors as advised in the It8705/It8712 data sheets
label in0 "VCore 1"
label in1 "VCore 2"
label in2 "+3.3V"
label in3 "+5V"
label in4 "+12V"
label in5 "-5V"
label in6 "-12V"
label in7 "Stdby"
label in8 "VBat"
# Ignore unsupported or flakey interfaces
ignore vid
ignore in1
ignore in5 # comment out to try it out
ignore in6 # comment out to try it out
ignore in7
ignore in8
# Scale the voltages
# Note: in5 and in6 don't seem to work, but these are their scalings
compute in0 -0.05 + @ , @ + 0.05
compute in3 ((6.8/10)+1)*@ , @/((6.8/10)+1)
compute in4 ((30/10) +1)*@ , @/((30/10) +1)
compute in5 (7.67 * @) - 27.36 , (@ + 27.36) / 7.67
compute in6 (4.33 * @) - 13.64 , (@ + 13.64) / 4.33
compute in7 ((6.8/10)+1)*@ , @/((6.8/10)+1)
# Ranges (Adjust per your system)
set in0_min 1.5 * 0.69
set in0_max 1.5 * 1.05
set in1_min 2.4
set in1_max 2.6
set in2_min 3.3 * 0.95
set in2_max 3.3 * 1.05
set in3_min 5.0 * 0.95
set in3_max 5.0 * 1.05
set in4_min 12 * 0.95
set in4_max 12 * 1.05
set in5_max -5 * 0.95
set in5_min -5 * 1.05
set in6_max -12 * 0.95
set in6_min -12 * 1.05
set in7_min 5 * 0.95
set in7_max 5 * 1.05
# Temperature
# 2 = thermistor; 3 = thermal diode; 0 = unused
set sensor1 2
set sensor2 2
set sensor3 2
# Temp names and scales
# Adjust "over" and "low" as you see fit
label temp1 "CPU Temp"
set temp1_over 60
set temp1_low 15
label temp2 "C/S Temp"
set temp2_over 60
set temp2_low 15
label temp3 "M/B Temp"
set temp3_over 50
set temp3_low 15
# Fans (only two fans supported) Adjust "min" as you see fit
label fan1 "CPU Fan"
label fan2 "Cha1 Fan"
set fan1_min 800
set fan2_min 800
ignore fan3 |
| Code: | it8712-isa-0290
Adapter: ISA adapter
VCore 1: +1.05 V (min = +1.04 V, max = +1.58 V)
+3.3V: +3.33 V (min = +3.14 V, max = +3.47 V)
+5V: +4.95 V (min = +4.76 V, max = +5.24 V)
+12V: +11.78 V (min = +11.39 V, max = +12.61 V)
CPU Fan: 1132 RPM (min = 799 RPM, div = 8)
Cha1 Fan: 1140 RPM (min = 799 RPM, div = 8)
CPU Temp: +36 C (low = +15 C, high = +60 C) sensor = thermistor
C/S Temp: +36 C (low = +15 C, high = +60 C) sensor = thermistor
M/B Temp: +23 C (low = +15 C, high = +50 C) sensor = thermistor
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longship
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Joined: 04 Jun 2005
Posts: 294
Location: Ontario, CA USA
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| Posted: Mon Mar 13, 2006 11:22 pm Post subject: |
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| mudrii wrote: | | Code: | it8712-isa-0290
Adapter: ISA adapter
VCore 1: +1.05 V (min = +1.04 V, max = +1.58 V)
+3.3V: +3.33 V (min = +3.14 V, max = +3.47 V)
+5V: +4.95 V (min = +4.76 V, max = +5.24 V)
+12V: +11.78 V (min = +11.39 V, max = +12.61 V)
CPU Fan: 1132 RPM (min = 799 RPM, div = 8)
Cha1 Fan: 1140 RPM (min = 799 RPM, div = 8)
CPU Temp: +36 C (low = +15 C, high = +60 C) sensor = thermistor
C/S Temp: +36 C (low = +15 C, high = +60 C) sensor = thermistor
M/B Temp: +23 C (low = +15 C, high = +50 C) sensor = thermistor
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It looks like your +12 voltage is inaccurate. You might want to verify it with a voltmeter. While you're at it you should probably verify the +5V and the +3.3V. Apply the appropriate correction like I did in my sensors.conf in my original post (above).
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AMD 64 X2 4400+, ASUS A8N-Sli Premium + Lian Li PC-V1000A Plus
AMD Duron 800, ABit KT7E, junk case
VIA C3-Nehemiah, VIA EPIA MII12000 + Scythe e-Otonashi fanless case |
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Monkeh
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Joined: 06 Aug 2005
Posts: 1656
Location: England
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| Posted: Sun Apr 30, 2006 6:13 pm Post subject: |
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*bump*
Why did you have the compute line for temp1 commented out? Without it, temps are about 2C too low on my machine.. (confirmed from BIOS and ASUSProbe in Windows). |
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tnt
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| Posted: Sun Apr 30, 2006 10:18 pm Post subject: |
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| Monkeh wrote: | *bump*
Why did you have the compute line for temp1 commented out? Without it, temps are about 2C too low on my machine.. (confirmed from BIOS and ASUSProbe in Windows). |
this is interesting question. is temp1 correct with those computation?
@ C/S and M/B temperatures
I've found that temperature longship refered as M/B temp (temp3) seems to act very strange - there are very big differences in reading if CPU is loaded and I just can't believe motherboard temperature reises so quickly. even more interesting is that temp3 is goes down second or two after CPU load drops.
on this graph we have temp1=CPU temp2=System temp3=Case
http://www.aaen.edu.yu/~tnt/temp/system.g17-day.png
if that sensor realy represents motherboard temperature, it has to be somewhere realy realy close to the CPU socket.
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Monkeh
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| Posted: Sun Apr 30, 2006 10:51 pm Post subject: |
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I THINK it's correct anyway. I have good cooling, so as soon as load is taken off the CPU, temps drop within seconds. It's pretty close to reported temps under load in windows now..
As for the mobo temp, I'm thinking that's under the heatsink behind the CPU. That would explain it rising and falling along with my CPU temp (and falling very, VERY rapidly, as I have several hundred CFM blowing directly over it and the CPU). |
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