NEED OVERCLOCKERS ANSWER last box was blank

February 18, 2011 at 22:50:08
Specs: Windows XP
This guy said, "First time building a new computer from scratch, I have an MSI k7n2 delta board, and an Athlon 2800+ processor. When I boot my computer up, it shows it only as an Athlon 1250 mhz processor. Is there a way to get it to auto recognize, if not, can I set it to be this processor in the BIOS?"

His answer was that AMD sets their FSB default at 100, to change it in BIOS to 166 -- 12x5=166 which gives you the 2 something gigs it supposed to have. Well it did exactly. But what I'd like to know is where did he get that formula. I'm studying for PC Tech and I really can't rest without the facts behind the answers. Thanx guys


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#1
February 18, 2011 at 23:51:07
http://en.wikipedia.org/wiki/Athlon

http://en.wikipedia.org/wiki/List_o...

In the second link above it lists the FSB and Multipliers for all the Athlon XP+ variants. All CPU's have the Part Number stamped on the top.

If you want to be a Tech you have to learn to use search engines like Google, someone has usually answered the question.


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#2
February 19, 2011 at 00:20:19
Thanx

I looked, but AMD just still confuses me.


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#3
February 19, 2011 at 07:37:37
"His answer was that AMD sets their FSB default at 100"

AMD has nothing to do with it. And 100 is NOT the FSB, it's the CPU frequency. The motherboard/BIOS is what dictated the CPU frequency to be 100MHz. The CPU was designed to run at 166MHz frequency but the BIOS defaulted to 100MHz. That's not uncommon. You should always confirm that the CPU clock settings are correct in the BIOS. BIOS defaults are never the best performance settings - they're not supposed to be. All they are is a starting point. They're also a fall-back point if you get in trouble.

"But what I'd like to know is where did he get that formula"

Formula? It's not a formula, it's the clock settings for that particular CPU. The Athlon XP 2800+ is designed to run at 2.083GHz which is 12.5 x 166MHz. 2800+ is the model number & has nothing to do with the core speed or clock settings.



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#4
February 21, 2011 at 06:24:23
Thanx for clearing that up.

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