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Fx 6100 showing only 3 cores instead of 6

Last response: in CPUs
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February 22, 2012 9:37:16 PM

Hello,
I have an fx 6100 and just recently i noticed that my computer is only showing 3 out of 6 cores. I ran dxdiag, HWmonitor, cpuz and all of them confirm that i have only 3 cores?
I have a gigabyte 990fxa-ud5 board and i am running a f7 bios (beta ones). I know i have to go to bios most likely to change it but not sure what i wold need to change in that?
computer specs
gigabyte 990fxa-ud5
saphire 6850
antec 550W psu
fx 6100

More about : 6100 showing cores

a b à CPUs
February 22, 2012 9:38:52 PM

how many cores does task manager show?
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February 22, 2012 9:46:00 PM

3 cores. Im panicking right now, did i damage my cpu?
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a b à CPUs
February 22, 2012 10:18:07 PM

reset your bios for your motherboard.
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February 22, 2012 10:24:58 PM

i would imagine it's highly unlikely to damage your cpu so that it still works, but leave out the three extra cores

prob just a setting or something that isn't showing the three extra Hyper threading'ingly type cores (duno the amd name for them)
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a b à CPUs
February 22, 2012 10:29:13 PM

enable the cores in the bios.
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February 23, 2012 12:23:08 AM

Mal- yeah it is a 3 core i think the other 3 are virtual ones lol. I shouldve gone with an amd 980 or even a 1100T.
I am running beta cuz i thought you had to have the latest bios but i guess since i was fine with my last one i shouldve prob stuck with that one.
Esrever-the bios shows that all the 6 cores are enabled.
Matt- i looked at the bios and reset it to factory cmos and it still shows 3 cores.
Maybe i should go back to the other previous bios version and see if the problem still exists.
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a b à CPUs
February 23, 2012 12:37:11 AM

there should be an option in the bios that says enable cores.
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a b à CPUs
February 23, 2012 12:39:32 AM

oh sorry then you'd have to just revert back to old bios
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a c 126 à CPUs
February 23, 2012 12:41:37 AM

I would stay away from beta BIOS. They tend to have bugs and are released to the public as such so the public can find the bugs and tell them whats going on.
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a c 185 à CPUs
February 23, 2012 12:44:45 AM

Then again the 3 cores will give you better performance than the 6......
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February 23, 2012 2:40:40 AM

yeah msconfig is showing only 3 cores? Thats just odd. amuffin are you serious or are you joking? If i am getting better performance then why not just keep my current set up lol
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a b à CPUs
February 23, 2012 3:13:49 AM

no 6 cores is better than 3.
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February 23, 2012 3:17:05 AM

well i have it unchecked in the box so doesnt that mean the computer should automatically enable them? Also its only showing three cores out of six?
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February 23, 2012 4:44:35 AM

oh wow the cpu core control was set to manual i changed it to auto and now all the cores are there. Thank you Jimmybean. ANd thank you all for your inputs, i knew my answer would be found in tomshardware. Thank you guys!
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February 23, 2012 4:44:48 AM

Best answer selected by mrcoolguyok.
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Anonymous
April 29, 2013 9:36:52 AM

Let me get this quite straight. The AMD FX Series CPUs are all frauds. Well, not complete frauds. AMD lied about the amount of cores in each one. For example, the FX 4100; AMD says that it has 4 cores. In fact, it only has 2. This is because AMD are counting the threads as cores and saying that they give the same performance as the 4 core CPU. In your case, with your FX 6100, it doesn't actually have 6 cores. More lile 3 cores and 6 threads. I hope that this makes you a bit less panicky.
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a b à CPUs
April 29, 2013 10:27:17 AM

Anonymous said:
Let me get this quite straight. The AMD FX Series CPUs are all frauds. Well, not complete frauds. AMD lied about the amount of cores in each one. For example, the FX 4100; AMD says that it has 4 cores. In fact, it only has 2. This is because AMD are counting the threads as cores and saying that they give the same performance as the 4 core CPU. In your case, with your FX 6100, it doesn't actually have 6 cores. More lile 3 cores and 6 threads. I hope that this makes you a bit less panicky.


They're called modules, I believe. Each pair of cores shares resources. But in AMD, all 6 "cores" have temperature sensors and they're all supposed to show up as separate cores.
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