specs 64-bit operating system windows 7 ultimate cpu AMD Phenom II X4 B60 but for some reason it is showing as a AMD phenom II x2 560? ram DDR3 16GB my GPU is a Geforce GT 740 things i have tried i have gone to device manager under processors checked for updates uninstalled the drivers for each core restarted my computer please note under device manager it says i have a AMD phenom II x2 560 when it should be telling me i have a AMD Phenom II X4 B60 i have gone to system configuration under boot i have gone to advanced options clicked and unclicked the number of processors box and changed to core number two please note it only shows two cores under system configuration boot tab advanced options when it should be showing four i have made sure all my drivers are up to date done virus checks etc system restore still the same nothing changed i have done a full clean reinstall of the whole operating system deleting everything on my hard drive then repeated the same steps as above nothing i have also done checks to make sure my processor is screwed in tightly if a processor is not connecting you never know any ideas people as i am out of ideas? many thanks
pc showing two cores instead of four cores
- Thread starter Scott_88
- Start date
Solution
yes i am running the latest bios my motherboard is a ASUS m4a78lt-m the most up to date bios is version 0802 as you can see here https://www.asus.com/Motherboards/M4A78LTM/HelpDesk_Download/ i tried to reinstall the same bios anyways just to make sure i am using cpu-z to check it says the same thing as in my device manager i have contacted amd directly and there a bit confused why it wont work of course i have tried safe mode etc getting rid of the registry nothing works its just annoying that i know two cores are not being used it cant be the motherboard as all of the other bits hard drive etc are working fine it cant be my processor if it was i would know about it in what ever situation they said they will get back to me in a few days hopefully they can give me a answer cant be a virus i wiped my computer several times now any other suggestions would be great
Supernova1138
Illustrious
- Mar 22, 2011
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Your CPU actually is a Phenom II X2 560, the X4 B60 designation indicates that cores were unlocked from a dual or triple core CPU. Check your BIOS to make sure core unlocking is still enabled, if you reset your BIOS settings to default, or your CMOS battery died and your computer lost power, then that might be why you're back down to a dual core.
i was thinking about if it had something to do with unlocking from a dual to a triple core i want x4 b60 designation back as i need it for software that uses multi threading more then one core etc at the moment only two cores can be used so i need to go on to the bios options and make sure my BIOS is core unlocked enabled do you know where i go in to the bios to check please? what does the bios option say for core unlocking? hold on when i wiped the bios then put the exact same bios back on again would that of solved the problem if that was the issue that you have suggested many thanks btw i am not getting anything to suggest my cmos battery is bad
Supernova1138
Illustrious
- Mar 22, 2011
- 5,340
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The board's manual isn't 100% clear on this, but I believe you have to go into your BIOS, go under Advanced>CPU Configuration and check the Advanced Clock Calibration option, by default it is disabled. I think you might have to change that setting to 'All Cores' or there may be some other options under the 'Per Core' option you might want to check.
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