Thermal Throttle in Prescott, broken or BIOS?

So the heatproblem with the LGA775 is a never ending story, so Ive learned, but Ive started to think MSI is not putting a lot of money into the BIOS team.
Heres a story: So I have this sig below, and I really wanted to overclock it a bit. I overclocked the x600 fairly easly, and thats GREAT..... Yes..... Now im seeing a 6-8 fps increase in HL2 and FarCry, of course using the 4.12b from ATI.
Prescotts are supposed to have something called thermal throttling (say it fast 5 times) and its supposed to throttle DOWN the CPU when it gets to hot. Now theres a program called Throttlewatch which lets you check that out.
I wanted to see how good my Retail heatsink+fan worked under real pressure. I ran Prime95, did a defragment, PCmark04, and little tool called CPU burn-in all at the same time.
Strangly when I used only Prime95 the CPU was stuck at 45-55% useage and it didnt go any higher.
With Prime95 after 2 hours I got CPU temp: 73°C (Thermal Protection supposed to kick in at 76 i think)
And then I ran the other setup, and got these CPU temps: 78°C!!!!! :angryfire:and still no throttling......
The temps were read from Speedfan v.4.18, and as far as I know the BIOS reading is always 2-3°C higher than speedfan(at least in my 925X), so the BIOS reading was at 80-81°C, and thats not good.
Either I have a bad CPU, or the BIOS is REALLY, REALLY off......
What do you think????

Quote
Originally posted by olabe
I have same problem. The CPU does not throttle down due to heat even though the bios/speedfan are showing ridiculously high numbers ....
I posted a thread on this subject but i was told i was a trouble maker and the thread was closed down.
I know of SO many other 925x owners who have the exact same problem.
Consculsion MSI should fix this silly bios. It can't be the CPU
Here is the thread I mentioned :
CAN MSI COME CLEAN ?? 925x heat problem
No you come on FORUM high and mighty, not reading help or suggestions...........
INTEL supply the chipset spex............. ASK INTEL why the hell this is happening???
Bioses are programmed to Intel spex. (There are limits set for stable performance)
olabe you are a WHINGER/SOFTARSE user, you do not wish to have help. Just MOAN MOAN etc etc..........
Just send the mainboard back and use another manufacturer.... (Qtec and Asrock would be nice)
I was anger thread was closed, as I couldn't say above before!!!
Del UK

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Thermal Throttling is killing me

I built my first p4 system (neo2 pls 3.0e AIW 9800 2x256pc4000) and so far am very happy with it exept that the prescott thermal trottling is kicking in at around 50c and killing my performance. Im used to how the thermal trottling works in amd64 but I not sure if its any different in prescott. Heres an example of my problems...
At stock speeds and vcore my system scores around 9000 mips in sandra arithmatic if I overclock to 3.5 ghz and up the vcore to 1.45 with load temps UNDER 50c I will score around 10300 in sandra arithmatic. If I overclock to 3.75 (which is stable @ 1.55 vcore) my load temps go to around 60 and my sandra scores will fluctuate, if the room is cold and the cpu is cold I maight be able to squeeze out a 10500 sandra score but if the cpu is warm when I run the test I will only score around 7500. Im assuming this is the thermal throttling but why is it kicking it at over 50c this seems like a reasonable temp. I would understand it if did this at 70c but 50 is still low. HOW CAN I DISABLE THERMAL THROTTLING???
i GET SIMALAR RESULTS IN 3DMARKS2001 and superpi

balewolf, See my signature for some ideas on how to cool the CPU down
But....
More important is the fact that running 1.55 vcore thru a Prescott is a sure what to end up with an expensive paperweight.
Do you really need to go that high to get a stable overclock? My 2.8 E will run stable at 3.61 using the stock Vcore ( 1.36 -1.40)
A prescott employes what is called Dynamic VID .In a nutshell Dynamic VID throttles the Vcore up or down according to the load on the cpu and heat being produced.
The danger of running 1.55 is that you are on the high limit of what this chip can take and if Dyanamic VID kicks in it could fry your chip.
MSI chose to lock down the Vcore in some of the boards because of this .
You can read about it here
Prescott Dangerous Tweaks
You can read more about Dynamic VID here if you like
Dynamic VID explained
Your scores might be low because the Dynamic VID is trying to keep your chip from frying itself
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Dave

SatPro A60 can hardly run at 2.8GHz since Thermal Throttling issue

Hey guys, a nightmare for A60, its CPU clock can hardly run at 2800MHz which it's supposed to, since the A60's 75? Thermal Throttling Deadline is too easy to reach.
By using utilities called RightMard CPU Clock and Mobilemeter , I found that A60's entry temprature to Thermal Throttling was 75?. When that temperature is reached, cpu clock would slow down to 1500 MHz (you cannot see this by using normal test program, because Throttling is like cheating...i.e force CPU to halt for sometime in order to prevent overheating), and when temperature go back under 70?, it will return 2800 MHz. Another deadline: the auto-shutdown temperature is 85? for A60.
Althought the temperature which Mobilemeter got is the temperature of the heat sink, not the CPU kernel, it seems that oshiba made this 75? deadline too low (Intel's default deadline is likely about 90?). Additionally, with the badly designed heating sink system, the temperature usually keeps above 70-80 ? with room temperatur 15? and only doing some basic word processing or browsing and also with the machine almost dust-free. All of these mean that the laptop can hardly run at 2.8GHz. You can never enjoy that speed in any graphic game.
The actual clock must be test use RightMark Clock, it can test whether CPU is forced to halt frequently due to Thermal Throttling. Anyone wants to do this experiment can download these two free software from:
RMC(177Kb):
http://cpu.rightmark.org/download/rmclock_18_bin.rar
Mobilemeter(40Kb):
http://www.geocities.co.jp/SiliconValley-Oakland/8259/release/0310/mm0310.zip
along with SuperPI, which can make the CPU temperature as high as you like by opening it serval times at the same time
http://ftp15.enet.com.cn:88/pub/system/sysanaly/superpi-8.zip
Finally, my original idea to write such topic here is not only telling a truth, but also that I want Toshiba people could do something on this issue, either make an updated bios to allow turn Thermal Throttling off, or make the deadline for it higher than just 75? ,
like you did on satellite 1805's bios updating last time:
Version 2.10 09-24-2002
A modification was made to allow BIOS alone to enable and disable CPU throttling during Windows 98SE operation.
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Hi Al
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These are the special features:
Maximum Performance: Turn on fan first, then if necessary lowers CPU processing speed.
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non of the bios pages are to any help
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Test the system in barebone configuration. Clear CMOS with main A/C power cable removed from your PSU and Attach a PS/2 Keyboard. Then press CTRL + Home. See if there are any changes regarding the Bootblock/POST Checkpoint displayed.

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today I've updated my Lenovo T440s BIOS to 2.25 version. The update was performed using Software updates in Lenovo Solution Center and everything was successful.
After computer reboot the keyboard has been mulfunctioned:
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Overheating = under clocking CPU?

Hi
I have a new g505s with a a8-4500m CPU which is 1.9ghz (up to 2.8ghz) and 8gb ram,
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Hi madst,
Do you feel that your system is hot ? I would suggest you to check out temps from AMD over drive Click me!
Keep me posted
Lets make 2015 the year of the #DO
Did I or someone help you today? Press the star on the left to thank them with a Kudo!

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Have you checked the CPU throttle only with RMclock or with task manager too?
Try to load the default settings in BIOS and check it again.
Bye

Change Vcore on Prescott MSI 865PE 6728 Neo2 is possible !!!

hello
a vcore change on the MSI 6728 Neo-2 IS possible, you just have to use the bios version 1.9 !!! but you dont have the advance of the bugs fixed in actual version.
it looks like MSI only "HIDE" the vcore settings. the tool "AMIBCP75" dosent work on the new AMI bios. does anyone have a new AMIBCP for 8 series bios ???
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(sorrys for bad english :-) )
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http://www.hardocp.com/article.html?art=NTg5
Quote
I discussed the Vcore change question with the board designer over last weekend. Base on my understanding, the reason we didn't offer that when Prescott is populated was because a new Intel VID design on Prescott: "Dynamic VID" (VID becomes variable on different stages). According to the board designer, if M/B (BIOS) overwrite the Vcore, Dynamic VID will become invalid which might damage the CPU (Prescott Core) when power stage changed.
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Re: Tecra A10 - where are the release notes for updated BIOS?

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ACPI Flash BIOS version 3.00 for Tecra A10/M10 (PTSB3U/PTMB3U/PTMB7U)
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Version 3.00 - 2009-10-29
o Implemented the INTEL specification for the Mobile Intel 45 Express Chipset (Cantiga) to improve stability.
o Changed the BIOS Setup Menu for Virtualization Technology from Enable/Disable to Disable/VT-x&VT-d/VT-x Only/VT-d Only.
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o Improved "resume from hibernation" stability.
o Improved boot stability when the Computrace function is enabled.
Version 2.00 - 2009-02-24
o Implemented the INTEL specification for the Mobile Intel 45 Express Chipset (Cantiga) to improve stability.
o Improved stability of 64-bit Windows.
o Added support for 8GB memory on 64-bit Windows Vista.
Version 1.90 - 2008-12-15
o Added support for Penryn processor E0/R0 Stepping.
o Implemented INTEL specification for Mobile Intel 45 Express Chipset (Cantiga) to improve stability.
o Added support for Penryn Seam processors.
o Improved Operating System (OS) load speed.
Version 1.80 - 2008-11-20
o Added support for Penryn processor E0/R0 Stepping.
Version 1.70 - 2008-11-06
o Added countermeasures for the chip which cannot read a Thermal register. (Updated the VGA BIOS)
o Added Merom Seam processor support.
o Added Merom Pentium Dual-Core processor support.
Version 1.50 - 2008-09-30
o The thermal parameter for the Wireless-WAN model is implemented.
o LAN Boot time is improved.
o Corrected: VGAPOST time is to long.
o Corrected: Chip can not read a thermal register.
Version 1.40 - 2008-09-01
o First production BIOS release for these models.
Applicable Models:
Tecra A10-SP5920R, A10-ST9010, A10-S3501, A10-S3552, A10-SP5802, A10-SP5802A, A10-SP5920A, A10-SP5908, A10-S3553, A10-S3511, A10-SP5802C, A10-SP5920C, M10-ST9110, M10-S3401, M10-S3412, M10-S1001, M10-S3453, M10-S3452

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Thermal Throttle in Prescott, broken or BIOS?

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