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q6600 showing only 2 cores in CPU-Z

  • CPUs
  • Core
  • Processors
Last response: in CPUs
August 29, 2008 1:20:32 AM

I just installed this processor as an upgrade to a e2180. Here is an excerpt from CPU-Z:

Processor 1 (ID = 0)
Number of cores 2 (max 4)
Number of threads 2 (max 4)
Name Intel Core 2 Quad Q6600
Codename Kentsfield
Specification Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
Package Socket 775 LGA (platform ID = 4h)
Extended CPUID 6.F
Core Stepping G0
Technology 65 nm
Core Speed 1600.0 MHz (6.0 x 266.7 MHz)
Rated Bus speed 1066.6 MHz
Stock frequency 2400 MHz
Instructions sets MMX, SSE, SSE2, SSE3, SSSE3, EM64T
L1 Data cache 2 x 32 KBytes, 8-way set associative, 64-byte line size
L1 Instruction cache 2 x 32 KBytes, 8-way set associative, 64-byte line size
L2 cache 4096 KBytes, 16-way set associative, 64-byte line size
FID/VID Control yes
FID range 6.0x - 9.0x
max VID 1.325 V
Features XD, VT

Notice that it only shows 4 MB of L2 cache. What am I missing here??

Q6600 stock (for now)
4 GB A-DATA DDR2 800
Earthwatts 500-D

More about : q6600 showing cores cpu

August 29, 2008 1:23:40 AM

btw, I did uninstall each core and re-install in vista. Device Manager is now showing all 4 cores, but CPU-Z and RealTemp only show 2. Everest shows one core. Also, I did reset the CMOS before installing the processor.
August 29, 2008 1:26:12 AM

It could be an old bios that doesn't support newer cpus. Look up the bios information in Gigabyte's site, and update if needed.
Related resources
August 29, 2008 1:27:06 AM

I have the newest bios... I was going to buy a q9550 so I flashed it a couple weeks ago.
August 29, 2008 1:55:55 AM

Check to see if you have something like 'Core multi-Processing' option (*edit* - in the bios), which could be disabled, and why perhaps CPU-Z sees only 2 of the 4.
August 29, 2008 2:50:49 AM

Are you running on XP SP2 or later? Early OS don't recognize quad.
August 29, 2008 2:59:06 AM

I am using Vista 64.

I also bought a seagate 640 gb 32 mb cache HD. I just reinstalled windows onto it, and all is well. Realtemp shows 4 cores, and so CPU-Z shows 4 cores and 4 mb x2 of cache. Temps are low with my arctic cooler 7... all four cores are between 29 C to 34 C.

Now to overclock!