Well, then you should try other benchmarks and compare the results. Try the Landmark speed test Version 6. The landmark speed is supposed to be higher than the actual. So a 20MHz should be close to 30 landmark MHz. If not, then perhaps there's something wrong with your board. Indeed, LM 6 rates my …

Markk wrote: How about the turbo button? Is it pressed? Of course it's pressed! Otherwise it would show 10 mhz in the screenshot. With turbo button off, SYSINFO gives 4.40

I´m highly surprised by your computer!! I have a 20 mhz 286 and Norton Sysinfo reports a much lower Index than your 286 @ 16!! Mine is also 0 wait state. Why there's so much difference? Could it be the chipset? Interpolating data, based in your 16 mhz which yields a CPU index of 11.8, I should have …