Overclocking the Athlon XP 2500

[Acoshi]

I wanted to gradually overclock the Athlon 2500 from 2.3ghz to 2.4 ghz and then to 2.5ghz but it seems that my system crashes once I get to 2.4ghz. I was checking other sites and found some people managed to overclock to 2.6ghz.

My setup in BIOS is as follows:

System Bus: 2oo mhz (400mhz FSB)
CPU Multiplier: 11.5
CPU Voltage: 1.675 V
DDR Voltage: 2.6 V ?

I was wondering is there a way to overclock it further and if there is what would I have to change in my BIOS for it to work

Thanks for answering

 

[boyRacer]

Just because someone's 2500+ went to 2.6 doesn't mean yours can too... 😛 Hell he's probably lying... 😉

It could be lots of things... like your cooling... your ram timings... voltages... blah blah blah...

 

[mindless1]

1) Leave the FSB alone for the time being, or even reduce it, trying higher mulipliers. This isolates the CPU from FSB & Memory.

2) It is to be expected that you can't get much higher since you're only running at 1.675V, many people push 1.8V or further to get into the post-2.5GHz range with a non-Mobile Athlon. Past 1.85V isn't likley to get you much though unless you have outstanding aircooler (delta screamer on a SLK) or water/other more advanced heatsink.

3) Some chips just aren't stable above ~ 2.3GHz, but since yours will do that @ 1.65V, you probably do have at least another 100MHz or more in it with higher CPu voltage.

4) AFTER you get peak MHz from raising multiplier and +- FSB, then reverse the procedure and put the multiplier much lower (like 10X) to take CPU out of the equation and see how far the FSB will go up before instability. Having determined max stable FSB and with both CPU & FSB limits in mind, determine optimal multiplier and FSB to max out performance.