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bios says XP 2100+ running at 829mh

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Name: sk00ter21
Date: June 22, 2003 at 19:38:33 Pacific
OS: XP Home
CPU/Ram: 2100+/256 DDR
Comment:

I have an Athlon XP 2100+ that worked fine, but at some point my bios started telling me it's a regular Athlon running at 829 Mhz. I have an ECS K7S5A pro mobo, which doesn't let me change processor speed in bios. All I can do is change memory/fsb speed. Any tips???




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Response Number 1
Name: Joshua
Date: June 22, 2003 at 20:10:25 Pacific
Reply:

I am guessing the default setting for your FSB is 100mHz? Bump it up to 133mHz... I am not sure as to why it wouldn't recognize that it is an XP though? Take a look at the processor and see if there is a model number on it. Make sure it is an actual 2100.


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Response Number 2
Name: johnoh
Date: June 23, 2003 at 01:38:25 Pacific
Reply:

the k7s5a does default to 100fsb as pointed out above. You want to change it to 133fsb.

But 892mhz is a number that makes no sense. Your bios may have gotten corrupted and a reflash is in order.


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Response Number 3
Name: sk00ter21
Date: June 23, 2003 at 10:16:41 Pacific
Reply:

OK, anyone know how to flash the bios on this mobo?


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Response Number 4
Name: lilricky
Date: June 24, 2003 at 01:37:03 Pacific
Reply:

Dont worry about your bios, your motherboard is running at 66mhzx13.5, just change the fsb to 133


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Response Number 5
Name: sk00ter21
Date: June 24, 2003 at 06:22:22 Pacific
Reply:

My bios says I have the RAM and FSB both running at 133 Mhz. Maybe I should try upgrading the bios?


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Response Number 6
Name: johnoh
Date: June 24, 2003 at 09:50:39 Pacific
Reply:

Your mobo does not have a 66mhz setting, which is just one reason why 829mhz makes no sense. The other reason is that a 2100+ has a multipler of 13, but 829 = 12.5 x 66, so you have an improperly detected multiplier as well.

This 66mhz number is a pll chip bug that happens on some k7s5a boards. A bios flash may fix it and/or the multiplier problem.

http://www.ecsusa.com/downloads/k7s5a_pro.html

Even if the bios flash does not fix the problem,
cpu-z will tell you what you're actually running at, assuming your symptoms are the result of pll bug, which is a reporting-error only.

http://www.cpuid.com/download/cpu-z-118.zip


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Response Number 7
Name: sk00ter21
Date: June 25, 2003 at 12:38:14 Pacific
Reply:

I installed CPUZ and it says I'm running at 829 MHz. (66x12.5). I've tried all the bus setting in the bios, but it didn't change anything. I flashed the bios, and still no change. It's still under warranty; maybe I should try to get the mobo or processor replaced?


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