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Motherboard Monitor versus Asus Probe



 
 
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  #1  
Old March 18th 04, 04:28 PM
HPLeft
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Default Motherboard Monitor versus Asus Probe

I'm finding that Motherboard Monitor and Fan Speed software give different
CPU temperatures than Asus Probe on an Asus A7V8X-X board. Basically, the
Motherboard Monitor and Fan temps are considerable lower than Asus Probe -
about 5 degrees F. The motherboard temperatures are identical in all three
pieces of software.

I've used the config wizard for Motherboard Monitor, and the preset config
for the Asus board. My guess is that Asus Probe is using a different
setting of some sort.

Any opinions on whether the Motherboard Monitor and Fan Speed CPU
temperature readings are more commonly used than those from Asus Probe?

Thanks in advance,

Matt C


  #2  
Old March 18th 04, 05:15 PM
Larry Gagnon
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On Thu, 18 Mar 2004 15:28:51 GMT
"HPLeft" wrote:

I'm finding that Motherboard Monitor and Fan Speed software give different
CPU temperatures than Asus Probe on an Asus A7V8X-X board. Basically, the
Motherboard Monitor and Fan temps are considerable lower than Asus Probe -
about 5 degrees F. The motherboard temperatures are identical in all three
pieces of software.

I've used the config wizard for Motherboard Monitor, and the preset config
for the Asus board. My guess is that Asus Probe is using a different
setting of some sort.

Any opinions on whether the Motherboard Monitor and Fan Speed CPU
temperature readings are more commonly used than those from Asus Probe?


Matt: you're not the only one. I have noted differences also between my NF7-S
BIOS reports, my WinXP Hardware Doctor and my Linux Sensors temperature
reports. Your're right - 5 degrees C difference is not uncommon. I gave up
trying to figure out why and now take them all with a grain of salt. I only
worry when my CPU 100% load temp climbs to 60C or so, which thankfully it
never does. I wouldn't loose too much sleep over it.

This topic is important though - it is rarely discussed and rarely noticed,
probably because most people just believe their one sensor reporting software
- whatever that may be. This newsgroup is filled with people asking questions
about what temps they should expect, and rarely does anyone ever mention that
they do not seem to be very consistent between the various software and/or
BIOS reports.


Larry Gagnon
  #3  
Old March 18th 04, 08:42 PM
Ben Pope
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Larry Gagnon wrote:
On Thu, 18 Mar 2004 15:28:51 GMT
"HPLeft" wrote:

I'm finding that Motherboard Monitor and Fan Speed software give
different CPU temperatures than Asus Probe on an Asus A7V8X-X board.
Basically, the Motherboard Monitor and Fan temps are considerable lower
than Asus Probe - about 5 degrees F. The motherboard temperatures are
identical in all three pieces of software.


5F is not "considerable" really... ensure you are reading the same
sensors... e.g., on the A7N8X probe cannot read diode temp, it reports the
cpu socket temp.

I've used the config wizard for Motherboard Monitor, and the preset
config for the Asus board. My guess is that Asus Probe is using a
different setting of some sort.

Any opinions on whether the Motherboard Monitor and Fan Speed CPU
temperature readings are more commonly used than those from Asus Probe?


Matt: you're not the only one. I have noted differences also between my
NF7-S BIOS reports, my WinXP Hardware Doctor and my Linux Sensors


And how can you be sure that all these three completely different
environments require the same power consumption from the processor? 5C
change in diode temp can happen inside of 3 seconds in Windows.

temperature reports. Your're right - 5 degrees C difference is not


He said 5F, which is about 3C - hardly a great deal.

Ben
--
A7N8X FAQ: www.ben.pope.name/a7n8x_faq.html
Questions by email will likely be ignored, please use the newsgroups.
I'm not just a number. To many, I'm known as a String...


  #4  
Old March 18th 04, 08:48 PM
S.Heenan
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Default

Larry Gagnon wrote:
On Thu, 18 Mar 2004 15:28:51 GMT
"HPLeft" wrote:

I'm finding that Motherboard Monitor and Fan Speed software give
different CPU temperatures than Asus Probe on an Asus A7V8X-X board.
Basically, the Motherboard Monitor and Fan temps are considerable
lower than Asus Probe - about 5 degrees F. The motherboard
temperatures are identical in all three pieces of software.

I've used the config wizard for Motherboard Monitor, and the preset
config for the Asus board. My guess is that Asus Probe is using a
different setting of some sort.

Any opinions on whether the Motherboard Monitor and Fan Speed CPU
temperature readings are more commonly used than those from Asus
Probe?


Matt: you're not the only one. I have noted differences also between
my NF7-S BIOS reports, my WinXP Hardware Doctor and my Linux Sensors
temperature reports. Your're right - 5 degrees C difference is not
uncommon. I gave up trying to figure out why and now take them all
with a grain of salt. I only worry when my CPU 100% load temp climbs
to 60C or so, which thankfully it never does. I wouldn't loose too
much sleep over it.

This topic is important though - it is rarely discussed and rarely
noticed, probably because most people just believe their one sensor
reporting software - whatever that may be. This newsgroup is filled
with people asking questions about what temps they should expect, and
rarely does anyone ever mention that they do not seem to be very
consistent between the various software and/or BIOS reports.



If you boot the machine and monitor temperatures in the BIOS, temps will
always be higher than read by a Windows based utility. Reason: HLT
instructions. GNU/Linux may do the same, I dunno.

Since there's no easy way to calibrate the system monitoring hardware, users
should take all readings as relative and with a grain of salt. Instability
caused by approaching the max thermal limit shows long before any damage is
done to the CPU. Those who have mounted a heatsink backward or neglected to
use thermal compound may know this.


  #5  
Old March 18th 04, 09:08 PM
Bruce Tyler
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Posts: n/a
Default

On Thu, 18 Mar 2004 15:28:51 GMT, "HPLeft" wrote:

I'm finding that Motherboard Monitor and Fan Speed software give different
CPU temperatures than Asus Probe on an Asus A7V8X-X board. Basically, the
Motherboard Monitor and Fan temps are considerable lower than Asus Probe -
about 5 degrees F. The motherboard temperatures are identical in all three
pieces of software.

I've used the config wizard for Motherboard Monitor, and the preset config
for the Asus board. My guess is that Asus Probe is using a different
setting of some sort.

Any opinions on whether the Motherboard Monitor and Fan Speed CPU
temperature readings are more commonly used than those from Asus Probe?

Thanks in advance,

Matt C


Until recently (3 weeks ago) I had an Asus A7M266 m/b and XP2000+ CPU.
Before I had the XP2000+, I had a T/Bird 1.4Ghz CPU and listen to
this...

With the 1.4Ghz I was getting a "quoted by AsusProbe", max temps under
gameplay of about 53 degC and as low as 42 at idle, ambient room temp
was about 22+/- degC...

When I upgraded to the XP2000+ CPU, I had to update the BIOS to v1007
to get the A7M266 to accept the new CPU.. OK,, all well and done,, as
soon as I flashed the BIOS, I noticed an immediate 10 degC rise in
temperatures. I hadn't dropped in the new CPU yet and still had the
1.4Ghz in and whoa as me, temps now were quoted as 52 at idle and
about 63 under game load..
What the f**k..??? Why..???

Anyway I put the XP2000+ CPU in and the temps stayed the same 52 -
63degC... Strange..!!!

Was I to accept the new readings or the were the older ones the more
accurate or was AsusProbe at fault somehow..???

To me, Asus may well be supplying incorrect readings, no matter which
way you go... I used several different versions of AsusProbe and had
several different readings - slight but definitely different... What
were they thinking at the time..???

I have moved on recently. I now have a Gigabyte M/b and an XP3000 etc
etc and I use a program recommended to me by other disallusioned Asus
m/b users. It's called Aida32 - freeware - and it's good and gives a
complete system check... AsusProbe got bigger and bigger and did
nothing more than the first version I ever used. It is now Bloatware
and no more... Aida32 is only two-thirds the size and does so much
more...

Asus have gone "off the boil" lately, in my opinion... They are now
very average and I noticed they have a few motherboards issues lately.
That's why I chose Gigabyte instead...
  #6  
Old March 18th 04, 11:41 PM
S.Heenan
external usenet poster
 
Posts: n/a
Default

Bruce Tyler wrote:
reply inline
Until recently (3 weeks ago) I had an Asus A7M266 m/b and XP2000+ CPU.
Before I had the XP2000+, I had a T/Bird 1.4Ghz CPU and listen to
this...

With the 1.4Ghz I was getting a "quoted by AsusProbe", max temps under
gameplay of about 53 degC and as low as 42 at idle, ambient room temp
was about 22+/- degC...

When I upgraded to the XP2000+ CPU, I had to update the BIOS to v1007
to get the A7M266 to accept the new CPU.. OK,, all well and done,, as
soon as I flashed the BIOS, I noticed an immediate 10 degC rise in
temperatures. I hadn't dropped in the new CPU yet and still had the
1.4Ghz in and whoa as me, temps now were quoted as 52 at idle and
about 63 under game load..
What the f**k..??? Why..???

Anyway I put the XP2000+ CPU in and the temps stayed the same 52 -
63degC... Strange..!!!

Was I to accept the new readings or the were the older ones the more
accurate or was AsusProbe at fault somehow..???


The flashing of the BIOS being associated with a rise in both idle and load
temperatures is a fairly well known phenomenon.
The 1400 T-Bird was the hottest running CPU of the time. Seeing a load temp
of 63C was not uncommon. A processor is usually stable at that temperature.
Reseating the heatsink makes accurate comparisons more difficult as more
variables were introduced.


To me, Asus may well be supplying incorrect readings, no matter which
way you go... I used several different versions of AsusProbe and had
several different readings - slight but definitely different... What
were they thinking at the time..???


The early 2.20.xx versions of Asus Probe did all kinds weird stuff.. I use
2.19.07.


I have moved on recently. I now have a Gigabyte M/b and an XP3000 etc
etc and I use a program recommended to me by other disallusioned Asus
m/b users. It's called Aida32 - freeware - and it's good and gives a
complete system check... AsusProbe got bigger and bigger and did
nothing more than the first version I ever used. It is now Bloatware
and no more... Aida32 is only two-thirds the size and does so much
more...


I use AIDA32 ver 3.93 as well. Any time I've compared temps or voltages
between it and Asus Probe, I've found the numbers to be the same. Notes:
AIDA32 displays the CPU diode voltage where AP does not. Nominally it reads
7-10C higher than the CPU temp. Running any two monitoring utilities at the
same time results in odd and invalid measurements.


 




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