RAM question

[Ben Pfaff]

Jo Dillon <jo@trolltech.com> writes:

> On Thursday 15 November 2001 21:50, Benjamin Minshall wrote:
> > Hi Mark,
> >
> > This could be an issue related to "high-density" or "low-density" 256MB
> > DIMMs.  I don't know a lot about it, but I ran into some machines that were
> > only rated for 128MB chips, yet could use low-density 256MB DIMMs.  Perhaps
> > someone else could (in)validate my speculation?
> 
>   Another possibility is it only has enough cache for 512MB worth of memory.

Do typical modern motherboards have a cache?  I didn't realize
that there was another level of caching beyond the 512 kB or so
on the chip.