>   This is incorrect.  It's pretty likely that all 256K caches are
> limited to caching 64MB, but how much a 512KB cache can handle will
> depend on how much "Tag RAM" is provided.  On my home machine with
> 512K cache (Abit IT5H motherboard), the tag RAM was included.  On my
> work machine with 512K cache (Asus T2P4 motherboard), I had to
> install an extra $3 tag RAM chip to cache beyond 64MB.
>   [My IT5H blew a voltage regulator SCR a couple of weeks ago, and I
> now have a Shuttle HOT-603 with 1MB of cache.  I don't expect to see
> that on any Intel chipset (TX) boards any time soon.]
>
>   All PII's to date, except the new Celeron bogosity, include 512K
> of cache, and can cache up to 512MB or 1GB [I can never remember
> which is the PII and which the PPro....]  Our PII servers are full at
> 256MB of installed RAM, and its all cached.

        The Pro can cache up to 4GB (I think!), while the PII can cache up to
512MB in single config, and up to 1GB in dual processor config. I got this
info off of http://www.anandtech.com, but don't quote me on it. TTYL