Hi,
I'm pretty sure you can't use pure PC133 DIMMs in the 440LX mobo.
I just put PC100's in the 440LX's I have and they work fine.  If
my understanding is correct though, depending on the Mfg. some
PC133 DIMMs are backward compatible some not.

Dan

> Dear Listers,
>
> I don't remember if this has been asked before, if so I
apologize for asking
> again.  I have a 233mhz PII on a 440LX that has a 66mhz bus.
May I use PC100
> DIMMS?  I know the bus won't be able to take full advantage of
the faster
> ram, but the PC100 and PC133 is much  less expensive and I'll
be able to use
> it later if I upgrade to a 100mhz fsb motherboard.  Any
comments or
> suggestions?
>
> TIA,
> Kevin Nowicki

              The NOSPIN Group is now offering Free PC Tech
                     support at our newest website:
                          http://freepctech.com