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 E6x50 overclocking warning, Possible wrong core temperature reading!

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mADmAN
post Aug 18 2007, 03:20 AM

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@VT-Ten
it could also have been because u recently updated ur BIOS?


TSkmarc
post Aug 18 2007, 07:39 AM

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QUOTE(remysix @ Aug 10 2007, 12:23 PM)
probably the AS5 (i presumed) is yet to sink in properly...give it some time. according to their guide, 200hrs. dunno la.
*
Apparently, when a TIM has already sunk in, the temperature reduction is only about 1-2'c..... unconfirmed reports but has been observed by many forumers.... nod.gif

Anybody has any news on the inaccurate temperature readings of the E6x50 series?

So far, I've read newer reviews that state that the more accurate app to use is core temp 0.95 which as a "Delta to Tjunction" feature. This feature is good as it shows how many degrees (celcius) to go before the temperature reaches Tjunction.

As the Tjunction is unknown, this is supposedly the most accurate estimation.

From what I can see, the Tjunction for the E6x50 series is still probably 85'c. For example:
Core 0/1 temperature : 40/40'c
Delta to Tjunction : 45'c

Tjunction = 45 + 40 = 85'c......

If that is the case, then the E6x50 series are really really cool processors rclxms.gif rclxm9.gif
VT-Ten
post Aug 18 2007, 11:11 PM

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QUOTE(mADmAN @ Aug 18 2007, 03:20 AM)
@VT-Ten
it could also have been because u recently updated ur BIOS?
*
dont think so...
a couple of days ago, it went down to 36C cpu, 20C core0, 22C core1 when idle. tot it settled down, but today it shows 41C cpu, 27C core1 & 29C core2 idle. . rclxub.gif

Note: the temps were monitored between 11pm - 2am. room temp shd be ard 27C maybe. no AC installed in this room.


@kmarc,
english pls.... laugh.gif
do you mean there's nothing wrong with the temp?

This post has been edited by VT-Ten: Aug 18 2007, 11:12 PM
t3chn0m4nc3r
post Aug 19 2007, 09:47 AM

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QUOTE(kmarc @ Aug 18 2007, 08:39 AM)
If that is the case, then the E6x50 series are really really cool processors  rclxms.gif  rclxm9.gif
*
i tested my shop customer's E6550 & E6750... i gotta say... they are fast... but not cool... icon_idea.gif i did touch the heatsink and the E6550 is not as cool as my E6300... i also tried to undervolt it and it seems not stable after doing so... needs , more voltage to stabilize which is quite bad... hmm.gif
TSkmarc
post Aug 19 2007, 10:07 AM

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QUOTE(t3chn0m4nc3r @ Aug 19 2007, 09:47 AM)
i tested my shop customer's E6550 & E6750... i gotta say... they are fast... but not cool... icon_idea.gif  i did touch the heatsink and the E6550 is not as cool as my E6300... i also tried to undervolt it and it seems not stable after doing so... needs , more voltage to stabilize which is quite bad... hmm.gif
*
Errr..... can you give a more "concrete" proof rather than the heatsink is "not cool"? Rather subjective, don't you think? Maybe an Intel's TAT reading or "Delta to Tjunction" on Core temp 0.95?

Remember that every CPU batches are different in terms of overclockability, although I haven't seen anybody keeping track on which are the good E6x50 batches for overclocking.....


Added on August 19, 2007, 3:16 pm
QUOTE(VT-Ten @ Aug 18 2007, 11:11 PM)
@kmarc,
english pls....  laugh.gif
do you mean there's nothing wrong with the temp?
*
What I mean is that it is possible that the load temperature is correct. Some sources indicated that the idle temperature is incorrect as the temperature sensor are inaccurate at idle temperature.

All these are unconfirmed reports so I guess we still have to wait and see...

Anyway, it has been about 2-3 weeks since I emailed Gigabyte and there is still no reply!!! doh.gif vmad.gif

This post has been edited by kmarc: Aug 19 2007, 03:16 PM
t3chn0m4nc3r
post Aug 21 2007, 01:42 AM

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QUOTE(kmarc @ Aug 19 2007, 11:07 AM)
Errr..... can you give a more "concrete" proof rather than the heatsink is "not cool"? Rather subjective, don't you think? Maybe an Intel's TAT reading or "Delta to Tjunction" on Core temp 0.95?
*
err... 33 on core temp... concrete enough...?

where can i get a thermometer which is good for measuring the heatsink temp....? hmm.gif
TSkmarc
post Aug 21 2007, 02:18 PM

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QUOTE(t3chn0m4nc3r @ Aug 21 2007, 01:42 AM)
err... 33 on core temp... concrete enough...?

where can i get a thermometer which is good for measuring the heatsink temp....? hmm.gif
*
No no. What I mean is objective proof when you say the E6300 is cooler in temperature as compared to the E6550 or E6750 - both idle and load temperature...... Try to use core temp 0.95 "Delta to Tjunction" to compare them.... smile.gif
xiong91
post Aug 21 2007, 06:24 PM

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gosh..im planin to buy E6x50 proc...now dunno still wan to buy after reading dis thread..
Vtec(Rock)
post Aug 21 2007, 06:38 PM

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hehe...........just get my 1 e6750 Go STepping.current at 8x500Mhz 4Ghz.blend test 2 hours pass.still abit unstable.cool by noctua heatsink.will post up y screen shoot...

current at 1.57Vcore.full load under 70c every time

This post has been edited by Vtec(Rock): Aug 21 2007, 06:50 PM


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TSkmarc
post Aug 21 2007, 06:43 PM

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QUOTE(xiong91 @ Aug 21 2007, 06:24 PM)
gosh..im planin to buy E6x50 proc...now dunno still wan to buy after reading dis thread..
*
Not like that la..... it's just that current temperature reading programs does not support the new CPUs yet. I think everything will be sorted out once newer updates come out.

So, while awaiting for that, it is best not to OC these new CPUs too much as we don't really know the actual temp!!!

QUOTE(Vtec(Rock) @ Aug 21 2007, 06:38 PM)
hehe...........just get my 1 e6750 Go STepping.current at 8x500Mhz 4Ghz.blend test 2 hours pass.still abit unstable.cool by noctua heatsink.will post up y screen shoot...
*
Wow! What's your vcore and core temperature?
Vtec(Rock)
post Aug 21 2007, 06:53 PM

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QUOTE(kmarc @ Aug 21 2007, 06:43 PM)
Not like that la..... it's just that current temperature reading programs does not support the new CPUs yet. I think everything will be sorted out once newer updates come out.

So, while awaiting for that, it is best not to OC these new CPUs too much as we don't really know the actual temp!!!
Wow! What's your vcore and core temperature?
*
current at 1.575.everest read 1.6.hehehe.....check my sceenshoot...
TSkmarc
post Aug 21 2007, 07:04 PM

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QUOTE(Vtec(Rock) @ Aug 21 2007, 06:53 PM)
current at 1.575.everest read 1.6.hehehe.....check my sceenshoot...
Wah! So high! And I mean everything!!! High OC, high vcore and high temperature!!! smile.gif

What is the vcore and speed you're planning to run 24/7?

And I thought the general recommendation is not to allow the core temperature to exceed 60'c.... hmm.gif

This post has been edited by kmarc: Aug 21 2007, 07:08 PM
xiong91
post Aug 21 2007, 10:09 PM

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hmm...u guys use wad temp monitor software to check the E6x50's temp?
Vtec(Rock)
post Aug 22 2007, 02:34 PM

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QUOTE(kmarc @ Aug 21 2007, 07:04 PM)
Wah! So high! And I mean everything!!! High OC, high vcore and high temperature!!! smile.gif

What is the vcore and speed you're planning to run 24/7?

And I thought the general recommendation is not to allow the core temperature to exceed 60'c.... hmm.gif
*
plan to get it 4.1ghz...and wan to try 1.575v.it is best try.intel recomend under 75c still save for this core. brows.gif ohmy.gif

This post has been edited by Vtec(Rock): Aug 22 2007, 02:35 PM
TSkmarc
post Aug 22 2007, 02:44 PM

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QUOTE(xiong91 @ Aug 21 2007, 10:09 PM)
hmm...u guys use wad temp monitor software to check the E6x50's temp?
*
You can use a lot of programs. Remember that the temperature problem is still not corrected until newer updates/version comes out:
Core temp 0.95
Intel TAT (thermal analysis tool)
Speedfan
Your own mobo's software

QUOTE(Vtec(Rock) @ Aug 22 2007, 02:34 PM)
plan to get it 4.1ghz...and wan to try 1.575v.it is best try.intel recomend under 75c still save for this core. brows.gif  ohmy.gif
*
OIC. So, what vcore are you planning to run 24/7? I'm interested to know this as I'm running my E6750 at 1.425v at 24/7.....
-vip3rleon9-
post Aug 23 2007, 02:38 PM

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so has it been fixed? tongue.gif hands feeling itchy liao.. but takut.. motherboard monitoring software reposrts that my E6750 is roughly around 32C.. is this possible? blink.gif
TSkmarc
post Aug 23 2007, 03:12 PM

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QUOTE(-vip3rleon9- @ Aug 23 2007, 02:38 PM)
so has it been fixed? tongue.gif hands feeling itchy liao.. but takut.. motherboard monitoring software reposrts that my E6750 is roughly around 32C.. is this possible? blink.gif
*
What's your rig's spec? 32'c at idle or load?

So far, no new updated software. I guess nobody knows what is the Tjunction for the E6x50 series yet. Seems like everybody is assuming that the Tjunction is 100'c which I don't think it is.....
-vip3rleon9-
post Aug 23 2007, 03:26 PM

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QUOTE(kmarc @ Aug 23 2007, 03:12 PM)
What's your rig's spec? 32'c at idle or load?

So far, no new updated software. I guess nobody knows what is the Tjunction for the E6x50 series yet. Seems like everybody is assuming that the Tjunction is 100'c which I don't think it is.....
*

umm..

C2D E6750 G0 Stepping @ 2.66ghz
P35C-DS3R

32C idle.. smile.gif
TSkmarc
post Aug 23 2007, 03:44 PM

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QUOTE(-vip3rleon9- @ Aug 23 2007, 03:26 PM)
umm..

C2D E6750 G0 Stepping @ 2.66ghz
P35C-DS3R

32C idle.. smile.gif
*
Just found out that a new beta for core temp has been release. It's core temp 0.95.4 (beta). Apparently, the Tjunction has been adjusted to 100'c for the E6x50 series instead of 85'c.

I'm thinking of emailing the author to find out whether it is confirmed that the Tjunction for the E6x50 series is truly 100'c or just a guess. Even Intel is not telling!!! rclxub.gif

-vip3rleon9-
post Aug 23 2007, 03:58 PM

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QUOTE(kmarc @ Aug 23 2007, 03:44 PM)
Just found out that a new beta for core temp has been release. It's core temp 0.95.4 (beta). Apparently, the Tjunction has been adjusted to 100'c for the E6x50 series instead of 85'c.

I'm thinking of emailing the author to find out whether it is confirmed that the Tjunction for the E6x50 series is truly 100'c or just a guess. Even Intel is not telling!!!  rclxub.gif
*

ZOMG Rei and i wish to OC my E6750 before my hollidays end! icon_question.gif


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