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860MHZ clock? wat?

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September 23, 2012 12:39:37 PM

I have an amd phenom II 740 X3. I recently re installed my windows 7 operating system.
Now, people on windows 7 have reported problems with the 740 (such as it reporting to be AMD model unknown).

When I look at my system properties, dxdiag, or any other program, it reports as 3GHZ.
However, with nVidia ntune it reports as 860MHZ.
here are some pictures.

nVidia ntune show this:
http://vvcap.net/db/dK7Wwe7oOrR-HxgESQ5m.htp

and with core temp it shows this: (The cores are always changing voltages)
http://vvcap.net/db/8obbS3_XlMihXKZLpMGN.htp

I've looked into my bios, which is locked (because I'm on a HP computer that I upgraded).

It never showed ANYthing like this before. I even over clocked it to 3.4GHZ before.

I'm pretty sure it's been acting like this for a while, because I didn't notice this until a few days ago.

As for my specs I have:
8GB ram
GTX 560
Amd PII 740 X3
520W http://www.newegg.com/Product/Product.aspx?Item=N82E168...

More about : 860mhz clock wat

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September 24, 2012 1:29:22 AM

TestOne said:
I have an amd phenom II 740 X3. I recently re installed my windows 7 operating system.
Now, people on windows 7 have reported problems with the 740 (such as it reporting to be AMD model unknown).

When I look at my system properties, dxdiag, or any other program, it reports as 3GHZ.
However, with nVidia ntune it reports as 860MHZ.
here are some pictures.

nVidia ntune show this:
http://vvcap.net/db/dK7Wwe7oOrR-HxgESQ5m.htp

and with core temp it shows this: (The cores are always changing voltages)
http://vvcap.net/db/8obbS3_XlMihXKZLpMGN.htp

I've looked into my bios, which is locked (because I'm on a HP computer that I upgraded).

It never showed ANYthing like this before. I even over clocked it to 3.4GHZ before.

I'm pretty sure it's been acting like this for a while, because I didn't notice this until a few days ago.

As for my specs I have:
8GB ram
GTX 560
Amd PII 740 X3
520W http://www.newegg.com/Product/Product.aspx?Item=N82E168...


You are witnessing Cool 'n Quiet working. Cool 'n Quiet automatically underclocks and undervolts the CPU when it is not being put under a stress. The CPU can rapidly switch frequency and voltage so this is why if you watch the values in real time, they will seem to bounce around. The full-load speed of your CPU is 3.0 GHz and the idle speed is 800 MHz assuming you did not overclock anything.

Your pictures show Cool 'n Quiet working. You have overclocked the HT reference clock from 200 MHz to 215 MHz as well, probably using nTune. The first picture shows the CPU at idle. At stock speeds this would be 800 MHz (200 MHz x 4) and with your overclock it is 860 MHz (215 x 4.) The second picture shows three things. First is the speed of the L3 cache/IMC first (overclocked from 1.8 GHz to just under 2.0 GHz)- this should not change speeds. The next two figures are Core #1's speed and Core #2's speed. Core #1 is idling at 860 MHz and Core #2 has a little load on it and is running at full speed of around 3.3 GHz. Every core in an AMD Phenom and later CPU can be individually adjusted for frequency based on their individual load so you may see each of the cores running at a different speed. Don't worry, this is 100% normal.

Hope that clears up things.
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September 24, 2012 9:56:37 PM

Best answer selected by Testone.
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