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CPU running at the wrong speed

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Joined
3 Aug 2007
Posts
70
Hi,

After my laptop's hard drive became corrupt I have dug out an old desktop. It's using the Gigabyte Nvdia2 Ultra 7N400 motherboard with an AMD Sempron 2800+. However, the CPU is only running at 2000GHZ. I am guessing this may have to do with the clock settings, to which they are set to default.

Any ideas on getting the correct speed??

Many thanks.
 
AMD numbering

AMD decided to stop displaying the actual speeds on their chips, a while before Intel did the same.

When AMD went this route, it was widely accepted that they were indicating what the equivalent Intel's chip speed would be, to get the same performance, although the AMD chips were clocked lower. Good marketing tactic.

So a AMD 2800+ was supposed to be better or equal to an Intel P4 at 2.8 GHz. Internally though, it only ran at 2.0 GHz
 
ih8modem said:
So a AMD 2800+ was supposed to be better or equal to an Intel P4 at 2.8 GHz. Internally though, it only ran at 2.0 GHz

Semprons are overrated tbh :) REAL AMD 2800+ cpus if this is socket A run at 2.25GHz (Tbred) and 2.083GHz (Barton, and that is a bit overrated too).

But as said, 2GHz is the clock, if you overclock it might get to 2.4-2.5GHz or so since its just a rebadged Athlon XP Tbred 2400+ with a little faster fsb.
 
Last edited:
ih8modem said:
I checked on AMD's site, the default speed for a Sempron 2800+ is actually 1600MHz.

http://products.amd.com/en-us/DesktopCPUSideBySide.aspx?id=18&id=19&id=69&id=106

the above link compares all variations of the sempron 2800+. and shows you the thermal specs etc. The speed however remains at 1600MHz all the way, so at 2000MHz you are overclocking by 400MHz


Link doesn't work! But I've not seen 1600MHZ listed anywhere else for an older 2800+ desktop CPU.
 
Last edited:
ih8modem said:
I checked on AMD's site, the default speed for a Sempron 2800+ is actually 1600MHz.

the above link compares all variations of the sempron 2800+. and shows you the thermal specs etc. The speed however remains at 1600MHz all the way, so at 2000MHz you are overclocking by 400MHz

Yea but those are Socket 754 Semprons with the first one being AM2. Hes got a Socket A/462, i.e none of the above.
 
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