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Topic Title: AMD 64 3200+ S939 HELP
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Created On: 11/13/2004 10:20 AM
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 11/13/2004 10:20 AM
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gytaka
Junior Member

Posts: 1
Joined: 11/13/2004



Dear Friends!

I have the following system:

Motherboard: MSI K8T Neo2 fir
Processor: AMD Athlon 64 3200+ S939
Memory: Kingmax Hardcore 500 Mhz 2X256 MB
Operating System: Windows XP Media Center Edition SP1+SP2

My Question (great Problem) is:

The Operating System does't see The Processor with Hypertransport.
Wy? Why see The operating system just only one prosessor?
The sintetic benchmark with Sisoft Sandra 2004 has this system (in the multimedia performance) just a half performance such a System with Intel Pentium 4 3.2 Ghz.

I'am waiting for Your Quick Answer.
It is for me very important.
Thank you very well!!!
 11/13/2004 02:28 PM
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Greyhound
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Posts: 5449
Joined: 10/07/2003

QUOTE The Operating System does't see The Processor with Hypertransport.
Wy? Why see The operating system just only one prosessor?
Hypertransport should not be confused with Hyperthreading....unfortunately, both technologies share the same acronym 'HT'.

Hypertransport is a fast, packet-based point-to-point interconnect which connects the CPU to the rest of the system - basically, it replaces the 'classical' FSB on a K8-platform(Athlon 64/Athlon 64 FX/Opteron).
The Opteron 2xx and 8xx series can use their additional Hypertransport-links for communication between multiple CPUs.
Go here' ">http://www.hypertransport.org/faqs.html#b for more info about Hypertransport

Hyperthreading enables a single CPU to act as two 'virtual'(or 'logical' CPUs.
It will only offer improved performance if your applications are specifically optimized for Hyperthreading, otherwise there will be little to no benefits - in some cases, you'll actually get slightly less performance when running non-optimized applications.
More info here' ">http://www.arstechnica.com/pae.../hyperthreading-1.html
AMD's CPUs currently do NOT support Hyperthreading.
QUOTE The sintetic benchmark with Sisoft Sandra 2004 has this system (in the multimedia performance) just a half performance such a System with Intel Pentium 4 3.2 Ghz.
I wouldn't rely too much on synthetic benchmarks...they won't give that you much of a clue of a system's performance with 'real-world' applications - that is especially true for SiSoft Sandra

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