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Thread: Real Temp - New temp program for Intel Core processors

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  1. #1
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    How many other users have E8x00 CPUs with two sensors that work but with one sensor that significantly trails the other until higher temps are reached like Brama had? He sent me a RealTemp log file that was an ugly mess at idle and the two cores are still way out even at 50C:

    13:47:05 -6 25
    13:47:30 -5 25
    13:47:35 -4 27
    13:47:40 -6 26
    13:47:45 -6 26
    13:47:50 -5 26
    13:47:55 -6 25
    13:48:00 -7 26
    13:48:05 -6 26

    I came up with a workable solution for him and his displayed temps are much better balanced now on his E8400 from idle to full load. Hopefully he can post a few lines of how his log file looks now. If your DTS sensors are seriously messed up like this then send me a PM and maybe I can write a custom profile for you as well. I need some more real data before I decide if it would be possible for users to create their own custom profiles.
    Last edited by unclewebb; 03-18-2008 at 08:55 PM.

  2. #2
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    Quote Originally Posted by unclewebb View Post
    How many other users have E8x00 CPUs with two sensors that work but with one sensor that significantly trails the other until higher temps are reached like Brama had? He sent me a RealTemp log file that was an ugly mess at idle and the two cores are still way out even at 50C:

    I came up with a workable solution for him and his displayed temps are much better balanced now on his E8400 from idle to full load.
    How do you know what the actual DTS core temps are if DTS feedback is wildly wrong?

    I have an E8400 which shows the same problem. I'm currently in talks with Intel on it whether there's a fix to it, how accurate and trustable it is or whether they will provide me another one in replacement of it, so not yet testing it (have another CPU in that I'm testing).

  3. #3
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    Quote Originally Posted by KTE View Post
    How do you know what the actual DTS core temps are if DTS feedback is wildly wrong?

    I have an E8400 which shows the same problem. I'm currently in talks with Intel on it whether there's a fix to it, how accurate and trustable it is or whether they will provide me another one in replacement of it, so not yet testing it (have another CPU in that I'm testing).
    Using "idle system" described on message #1.

    Please, let us know the policy of Intel about substitution of processors with stuck or crazy DTS sensors.

  4. #4
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    Quote Originally Posted by KTE View Post
    I'm currently in talks with Intel on it whether there's a fix to it, how accurate and trustable it is...
    KTE, if any of your talks include technical information, would you mind posting their content here? I am assuming of course that you are communicating through correspondence.
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  5. #5
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    Quote Originally Posted by ixtapalapaquetl View Post
    KTE, if any of your talks include technical information, would you mind posting their content here? I am assuming of course that you are communicating through correspondence.
    Because it's my uncles personal contact (not mine) rather than normal user technical correspondance, I'm limited to not being allowed this liberty, sorry. I know the contact quite well since 2004 and we chat very informally rather than in official tones if I'm around at my uncles work place (I have met and worked with him at times). I can tell you what I learn non-verbatim though, but I ask for personal knowledge and experimentation rather than official responses, bear in mind. I have already mentioned much of what we discussed with respect to temperatures and Core 2 DTS in my last major post with my own Q6600 G0 TjMax hunting, for instance, TDP +3W, IC temp. idle cannot be equal to processor socket ambient temp. on air cooling, it has to be higher, even if slightly.
    That's one thing to notice, the CPU MFGs don't look at case and environment ambient temps. alone but the most crucial ambient temp. to them is the socket ambient which has to be lower than the actual CPU temp. but higher than the case ambient temp. in all cases (unless more extreme cooling is used i.e. even a chiller). I also verified the safe rating advised at a personal level, I asked what the maximum voltage he would run without worries at 45nm when overclocking, it's 1.3625V tops safe for 45nm. I was warned to stay below it and not even keep 1.35V volts prolonged on air to be frank (note: Intel is not liable for any damage by my personal comments discussing overclocking!). I also asked what the lowest E8400 temperature would be possible on air cooling, at 22C socket ambient at 1.4V real Vdd supply, stock 3GHz and if 35C idle was possible without CE1 (what I was getting), and the answer was not a chance in definite tones. At 1.4V on air cooling, the core would be very hot, idling plus 40C and the contact doubted highly you can even hold temps. below 45C on air idling at that voltage for E8400. These were for my personal guidance though as I have to troubleshoot and setup many systems at the IT department at two of my workplaces (both scientific, one purely medical), so I take serious advice necessary.

    unclewebb, I missed the end of your post after my Q6600 testing post. But now that the RealTemp bug is fixed, knowing my TjMax, temperatures above PROCHOT# should show up correctly past 115C, right?

  6. #6
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    Understood KTE. Muchas gracias for what you have shared. It is nice to hear some corroborating numbers if even in but a semi-official capacity.
    DFI LP UT P35-T2R | E8400 Q743A748 - IHS removed
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  7. #7
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    Thumbs up

    Quote Originally Posted by unclewebb View Post
    Hopefully he can post a few lines of how his log file looks now.
    Some lines of my log after the very cool customization of unclewebb


    21:47:30 46 47
    21:47:35 45 47
    21:47:40 47 48
    21:47:45 45 47
    21:47:50 45 46
    21:47:55 46 46
    21:48:00 46 48
    21:48:05 46 47

    Now it looks like a normal cpu

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