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-   -   Second processor not detected (http://www.hardwarecanucks.com/forum/cpus-motherboards/21176-second-processor-not-detected.html)

3.0charlie July 24, 2009 07:25 PM

Second processor not detected
Built my new rig and installed Vista Ultimate 64bit with both processors installed. Ram slots for both chips are populated. BIOS recognizes 2 physical chips, multi-threading is enabled. Active processor Cores is All.

System properties mentions 2 processors.


Device Manager shows 8 processors. Should be 16 with HT.
Task Manager shows 8 graphs, not 16.

What am I missing?

CMetaphor July 24, 2009 09:40 PM

Hey 3.0,

Reading through your manual, just double checking that these are options youre talking about:

Simultaneous Multi-Threading (Available when supported by the CPU)
Set to Enabled to use the Simultaneous Multi-Threading Technology, which will
result in increased CPU performance. The options are Disabled and Enabled.

Active Processor Cores
Set to Enabled to use a processor's Second Core and beyond. (Please refer to
Intel's web site for more information.) The options are All, 1 and 2.

To enabled and all respectively?

on a side note: Woohoo! Another join the multi-socket arena. Now try and break some records with us :biggrin:

CMetaphor July 24, 2009 09:46 PM


Hang on a tick there 3.0. Im not even sure that Vista64 can read beyond 8 cores, in fact, im pretty sure it cant. Try a test install of Server 2008 (or 08R2) 64 bit, then your extra cores shall appear methinks.

Chilly July 24, 2009 10:01 PM

easy, I may be xdrunk but the 5504'w do not hatve hyperthreadong, onlyt thrws e 552-0sa;'s and abvocve havbe hy[erthreacdinfg, so 8threadisn is correct with 5504's duial cpus.

Vista 64bit csnan detec t above 8thresadsa just fine, I knwo fir a fact from my tests on CHASOS 1.O.!!!!

LCB001 July 24, 2009 10:07 PM

If I'm reading these specs correctly the 5504 does Not support hyper-threading; Intel® Xeon® Processor E5504 (4M Cache, 2.00 GHz, 4.80 GT/s Intel® QPI) with SPEC Code(s) SLBF9

Look under the 'Advanced Technologies' header, I think you are unfortunately stuck with 8 cores.

If you click here it lists those Xeons that do support it; Products (Formerly Nehalem-EP)...

Perineum July 24, 2009 10:29 PM

Damn Chilly.... I need what you've got!

Chilly July 24, 2009 10:31 PM


Originally Posted by Perineum (Post 230047)
Damn Chilly.... I need what you've got!

5504 only haVER 8thrwaeassds man, only 8 threadfs!!~!!!!! not 16 threadys like one migkhtl like you to belive, only 8 thrwaeads not 16!~!!!!!

5520 qnde NAF AND ABOVE HAVE morw than 8threwzds of 16 nthrwads!

Phobia July 24, 2009 10:46 PM

haha omg, you can't type, but know exactly what you're talking about.. awsome!

Perineum July 24, 2009 10:47 PM

He was actually so clear in another thread I think he cut and pasted the information...

Chilly July 24, 2009 10:50 PM


Originally Posted by Perineum (Post 230058)
He was actually so clear in another thread I think he cut and pasted the information...

cutsssssss and pashyreswzx ses my asssesx

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