PCMech Forums - View Single Post - AMD Athlon XP 2500+ processor BIOS config

Amspete · 06-30-2003, 01:03 PM

The stock speed of an AMD Barton 2500 is 1830GHz, just as your system is reporting. The thing to remember is that the Barton core has more L2 cache, 512k instead of 256k. That combined with 128k of L1 cache brings it to 640k total cache. That is what separates the Barton from the T'breds. So, while the clock speed is only 1830GHz, theoretically, the performance is equivalent to a Pentium 2.5GHz. It's the way AMD markets their cpu's.
Now that you know that your system is reporting your cpu speed exactly as it should, you should be able to overclock that cpu to 2,075 just by raising your multiplier from 11 to 12.5. That small an increase shouldn't require an increase in the vcore, however, every cpu and every board is different. If your board doesn't provide you with a 12.5 multiplier then to attain that speed you would need to bump up your fsb to around 188 at the default multiplier, or a multiplier of 12 and fsb of about 173.
Just remember, that the stock setting for the Barton 2500 is 1830GHz at 11 multiplier x 166 fsb. Anything above that is an overclock. But, don't forget about the extra onboard cache which will theoretically boost the performance as well.

06-30-2003, 01:03 PM	#2
Amspete Member (6 bit) Join Date: Oct 2001 Location: Southern New Jersey Posts: 52	The stock speed of an AMD Barton 2500 is 1830GHz, just as your system is reporting. The thing to remember is that the Barton core has more L2 cache, 512k instead of 256k. That combined with 128k of L1 cache brings it to 640k total cache. That is what separates the Barton from the T'breds. So, while the clock speed is only 1830GHz, theoretically, the performance is equivalent to a Pentium 2.5GHz. It's the way AMD markets their cpu's. Now that you know that your system is reporting your cpu speed exactly as it should, you should be able to overclock that cpu to 2,075 just by raising your multiplier from 11 to 12.5. That small an increase shouldn't require an increase in the vcore, however, every cpu and every board is different. If your board doesn't provide you with a 12.5 multiplier then to attain that speed you would need to bump up your fsb to around 188 at the default multiplier, or a multiplier of 12 and fsb of about 173. Just remember, that the stock setting for the Barton 2500 is 1830GHz at 11 multiplier x 166 fsb. Anything above that is an overclock. But, don't forget about the extra onboard cache which will theoretically boost the performance as well.