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[Lonyo]

I have an Abit KR7A board, and I took the the processor (XP 1900+ Palomino) to 150 x 12 (1800Mhz), took the Vcore up one stepping (1.75 --> 1.775) took the RAM up 1 stepping as well 0.025v as well I think), rebooted and the comp wouldn't start to load Windows (2K) but it got past the ram check and the CPU speed showed as 1800Hmz, and I couldn't access the BIOS again so I had t oclear the settings.
Any thoughts?

 

[Technonut]

Any thoughts?

If you have a good HSF, the Vcore probably will need to be raised to run at 1800MHz. I would start out at 1.85V to boot into Windows, test for stability, and then try reducing the voltage one notch at a time. Depending upon the type of RAM you have, you may need to increase the voltage there as well.

 

[Lonyo]

Ram is CL 2.5, made by someone called Minne I think.
2 x 512MB Chips, PC2100
Using stock HS/Fan (bad idea probably, but never mind 🙂)
I took it up to 1740 (145FSB) but didn't really use it, just wanted to see if it would boot and it did, so not sure if it was stable at that (didn't change voltages)
Had it running SETI @ 140 FSB for most of the day now and it's been fine, temps maxing out about 56.5c, up from 54c. (again no voltage changing)

 

[Duvie]

I agree likely needs my vcore juice...hell some AMD mobos overvolt and start with 1.77-1.78v...I would take it up to 1.8v minimum, but technonut has a good idea as well...

The board offers .025v jumps for ram??? I usually see .1v jumps....I would get it to 2.6v with 2.7v max I would likely try...