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Thread: [i7 920/EX58-UD4P] Tmonitor reporting 2400mhz




  1. #1
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    Default [i7 920/EX58-UD4P] Tmonitor reporting 2400mhz

    I have overclocked i7 920 on EX58-UD4P (latest beta bios) to 4.2Ghz with Turbo Boost on. When running CPU-Z, RealTemp, and most other tools, it is showing 4.2Ghz as CPU clock, however, TMonitor (CPUID) shows 2400Mhz when idle. Is this supposed to be normal? On full-load, Tmonitor does show 4200mhz, but I have disabled all the power-saving options in BIOS so I assumed the CPU should be running at least at 4000mhz even at idle.

    Any idea why it's being downclocked at 2.4Ghz @ 12x multiplier? BTW, this downclocking also occurs whith Turbo Boost disabled.
    Last edited by h4nc0; 10-16-2009 at 10:35 AM.

  2. #2
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    Default Re: [i7 920/EX58-UD4P] Tmonitor reporting 2400mhz

    This is normally caused by the Intel SpeedStep Technology, or EIST. Disable that in the BIOS and it will stop. however if you have a stable overclock with it on you may as well leave it on to save power and heat when your not taxing your CPU.
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    Default Re: [i7 920/EX58-UD4P] Tmonitor reporting 2400mhz

    Quote Originally Posted by NimrodAUS View Post
    This is normally caused by the Intel SpeedStep Technology, or EIST. Disable that in the BIOS and it will stop. however if you have a stable overclock with it on you may as well leave it on to save power and heat when your not taxing your CPU.

    All power saving options in BIOS are disabled. I have found some thread on TM mode (ASUS) / VR Current Limit Override (Intel), that seem to cause CPU to drop to 12x multiplier. (http://forums.anandtech.com/messagev...readid=2337839) Could this be related?

    CPU-Z, RealTemp show 20x or 21x (Turbo On) but only Tmonitor shows 12x.
    Last edited by h4nc0; 10-16-2009 at 11:11 AM.

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    Default Re: [i7 920/EX58-UD4P] Tmonitor reporting 2400mhz

    Dont use Tmonitor. Problem solved. If CPU-z and Realtemp are showing that you are currently running the right speed and you have disabled all that stuff in the bios then I would trust them over Tmonitor. I have seem various programs like that giving the wrong speed. Vista Computer information shows the wrong speed when overclocking if you dont use the full multiplier of the cpu. It just reads the FSB and multiplies it by the stock multi.
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    Default Re: [i7 920/EX58-UD4P] Tmonitor reporting 2400mhz

    Quote Originally Posted by NimrodAUS View Post
    Dont use Tmonitor. Problem solved. If CPU-z and Realtemp are showing that you are currently running the right speed and you have disabled all that stuff in the bios then I would trust them over Tmonitor. I have seem various programs like that giving the wrong speed. Vista Computer information shows the wrong speed when overclocking if you dont use the full multiplier of the cpu. It just reads the FSB and multiplies it by the stock multi.
    Yeah, I guess I will ignore Tmonitor for now, but it is supposedly one of the more precise tool for monitoring clock speed of i7 processors.

  6. #6
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    Default Re: [i7 920/EX58-UD4P] Tmonitor reporting 2400mhz

    Yeap, if CPU-z shows 4.2 that is correct. Gigabyte does not have that limit imposed so if you are not using C1E or EIST then it will not drop the multi/voltages.

    What BIOS are you using anyway?

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    Default Re: [i7 920/EX58-UD4P] Tmonitor reporting 2400mhz

    Quote Originally Posted by Lsdmeasap View Post
    Yeap, if CPU-z shows 4.2 that is correct. Gigabyte does not have that limit imposed so if you are not using C1E or EIST then it will not drop the multi/voltages.

    What BIOS are you using anyway?
    Latest beta BIOS, I think it's 10D. But I still think Tmonitor is actually reporting the correct clock of CPU because it does jump up to 4.2Ghz when running a full-load app such as Prime95. Have you tried running it?

  8. #8
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    Default Re: [i7 920/EX58-UD4P] Tmonitor reporting 2400mhz

    If it "Jumps" to 4.2, then you have EIST or C1E enabled, I am using that BIOS and it is fine IE: always at 4.2 for me idle or load

    I will grab that tool and check for you now

    *edit*

    It is the program, it's incorrect. If you like, please report this to Franck@x86
    http://forum.canardpc.com/forumdisplay.php?f=101
    Last edited by Lsdmeasap; 10-16-2009 at 06:16 PM.

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    Default Re: [i7 920/EX58-UD4P] Tmonitor reporting 2400mhz

    thanks for clearing things up. I've tried to register on that forum, but I don't know any French (or whatever it is) so gave up.

  10. #10
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    Default Re: [i7 920/EX58-UD4P] Tmonitor reporting 2400mhz

    You can change it to English, sorry here is the English version
    CPUID Other Tools forum - Canardpc.com

    The language selection is near the bottom left by the forum Skin choice

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