Reply 20 of 22, by retro games 100
I increased the FSB from 100.2 to 105, and the BIOS POSTed OK, reporting that the CPU was 266 speed. But when the Win98 desktop appeared, it displayed an unusual message saying something about the registry having errors. Unfortunately, I think 105 FSB is just a bit too high.
The following webpage shows some user results for overclocking P MMX 166s -
http://web.singnet.com.sg/~duane/b7000001.htm (near the bottom)
Someone has overclocked a P MMX 166 SL27K to 290mhz at 3.2V. I think that's very risky. If you check out the cpu-world webpage for the SL27K CPU -
The core voltage values are from 2.7 to 2.9