100/133MHz RAM should pose no problem in a 66MHz bus.
It is when you 66MHz RAM and try pushing it do you run into problems.
I have never had a problem with 100MHz RAM in 66MHz RAM bus machines.
Mark


James Lee Bell wrote:

> How much do the HDD's spin, i.e. do you get anything more that just the
> power/spin-up that occurs during initial power up and POST, like does it start
> booting? If not, 9 times out of 10 that this happens to me, the problem is RAM
> not being compatible with the board. IOW, EDO in a board that wants "standard",
> or FPO in a board that can only handle EDO or standard. And let's not forget
> 100/133 MHz ram in a board where the RAM bus is at 66 MHz, or vice versa. And
> finally, incomplete "banks" (if using boards with SIMMs or older DIMMs). If
> you've been swapping components a lot with systems that were mostly working
> previously, this sounds even more likely.
>
> John Bartlett wrote:
>
> > to not being able to figure out the problem. Just to clarify, the exact
> > problem is, when I boot, I get power, the cpu fan starts the HDD's spin
> > (when connected) all the lights function, but I get absolutly NO video, not
> > even enough to change settings in the BIOS. I've used ISA, PCI, and AGP
> > video cards, to no avail. All of the hardware that I've tried to use, I've
> > personally seen working in other systems.  So if anyone has any ideas what
> > could be causing this type of problem, I would be eternally grateful for
> > your help.
> >
> > Thanks In Advance,
> >
> >    Josh
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