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abit dual processor sli motherboard. - Page 2

post #21 of 30
2/8/05 at 6:21pm
Thread Starter 
i heard intel is launching there dual core processors and amd is launching theres from what i here "late 2005". i wonder how these two will perform
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post #22 of 30
2/8/05 at 6:54pm
Quote:
Originally Posted by Astu222
all operton systems need buffered ecc memory?
That Iwill board requires Reg ECC. I dont know if the Nforce 4 Pro chipset supports unbuffered. I know Intels e7525 chipset for the new Xeons does.
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post #23 of 30
2/8/05 at 11:14pm
Quote:
Originally Posted by ewolff
That Iwill board requires Reg ECC. I dont know if the Nforce 4 Pro chipset supports unbuffered. I know Intels e7525 chipset for the new Xeons does.
all variants of the Nforce 4 do not (I have the SLI one and there were no comatibility issues with regular dual channel DDR
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post #24 of 30
2/9/05 at 2:04am
Including Nforce 4 Professional?
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post #25 of 30
2/9/05 at 3:44am
Quote:
Originally Posted by Technomancer
I guess that makes sense...a P4EE with HT doesnt kick a FX55...even though two procs and 2x the cache
Hyperthreading != dual processors != dual core

Hyperthreading (or SMT as the rest of the industry calls it) makes a processor appear as two on the system. The reason it does this is to allow a program to execute unrelated instructions in parallel. For example, a program could send an integer command and a floating point command at the same time, and the processor could do both since it has seperate integer and floating point units. A non SMT processor forces each of these instructions to go one after another. The benefits of SMT are seen only when a program needs to use multiple different parts of the CPU. Any attempt to send two integer commands will result in one waiting on the other.

Dual processors involves well, having two physical processors in the machine.

Dual core integrates two CPU systems into the same package, and usually on one physical die as well. It is similar to the dual processor setup, however it can be slightly slower due to shared busses. However, Intel chips usually all sit on the same bus anyhow unless working with an 8 processor setup.
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post #26 of 30
2/9/05 at 3:56am
Thread Starter 
so are the dual core processors worth waiting for?
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post #27 of 30
2/9/05 at 5:14am
Quote:
Originally Posted by Astu222
all operton systems need buffered ecc memory?
Yes, any system with an opteron on it requires registered memory, regardless of the chipset. I think that this is because of the memory controller being integrated with the CPU and therefore independant of the chipset.
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post #28 of 30
2/9/05 at 10:18am
Quote:
Originally Posted by ewolff
Including Nforce 4 Professional?
I do not see a "nForce pro"

the nForce 4 ultra...does not require

the nForce 4...does not require either
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post #29 of 30
2/9/05 at 3:10pm
Nforce 4 Pro is the server chipset...


http://www.tyan.com/products/html/opteron.html
http://www.iwill.net/product_2.asp?p_id=91&sp=Y
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post #30 of 30
2/10/05 at 11:15pm
its not really nforce4 professional... its just nforce professional
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