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Phenom 9600 BE with 1 core

Last response: in CPUs
September 28, 2009 6:46:43 AM

I just upgraded from a Sempron to a Phenom 9600 BE. The problem is that CPU-Z as well as task manager only sees 1 core. I know my MB supports quad. I'm running XP SP3 - do I have to reinstall XP or is there something else?

More about : phenom 9600 core

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September 28, 2009 12:41:53 PM

What motherboard?
Does your BIOS support quads?
Does the processor come up with an exclamation mark in device manager?
September 28, 2009 2:38:49 PM

motherboard is an ECS GF8200A with the latest bios. the bios correctly identifies the cpu. "processor" is not listed in the device manager.
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October 13, 2009 2:22:03 PM

Yeah same problem here.
However yesterday before I have tried to O/C my Ph 9600 BE both CPU-z and OverDrive saw CPU as Quad but today I notice that one core is "missing" thus I have flush the BIOS with f7c version via @BIOS from Taiwan 1 server as none of others have any updated BIOS for my GA-MA790X-DS4 (Ver 1.0) motherboard.

After flash both CPC-z and O/D have seen only 3 cores.

8 hours later I was stuck with non responding PC (or better say the Blue screen was more often on the monitor than windows 7 Desktop.

After all this suffering I re-flashed the old BIOS (f5) back resulting in stable PC but Phenom beeing seen by both CPU-z abd OverDrive as 1 Core while W7's Device manager has shown "Processor" with four cores.

Here are specs of my PC : GA-MA790X-DS4, 4GB PC6400 DDR2, 1TB Seagate SATA, Pioneer SATA DVD, Phenom 9600 X4 BE with a good CPU Cooler (kept o/c temps bellow 45 C), 2 x GS7600 (nVidia), Pinnacle DVT and Creative X-Fi Xtreme.

I am puzzled as rudiger007
October 13, 2009 2:31:59 PM

sorry have to add to specs: PSU is Gigabyte P620 with peak rating of 720W and the fans over north-bridge and south-bridge chips as well as memory sticks plus one 12cm system fan in the case.