> -----Original Message-----
> From: PCBUILD - PC Hardware discussion List
> [mailto:[log in to unmask]]On Behalf Of Rick Poepping
> Sent: February 28, 1998 23:24
> To: [log in to unmask]
> Subject: Re: [PCBUILD] RAM vs Cache -upgrade ques
>
>
> Herbert Graf wrote:
>
> > > I'm getting ready to do various upgrades to my 586-p133 and I would
like
> > > to know the relation of Cache and RAM.  Specifically, how much RAM can
> > > 512K cache?  And what benefits and pitfalls are there to going beyond
> >
> >         Depends on the chipset, for Intel's TX and VX 512K will
> cache 64Megs, with
> > the HX if you have the extra TAG SRAM you can cache up to 512Megs (wow!)
> >
>
> If you add the extra TAG SRAM are you adding extra cache?  Or are
> these 2 different
> things?

        Yes, it is up to the MB manufacturer to decide whether it will install more
than one tag RAM and it is up to the purchaser top ensure that the cache
module has the extra tag SRAM if required.

> If they are different, are you saying that 512K L2 cache can
> cache different
> amounts of RAM based on how much TAG SRAM there is (ignoring the
> chipset limitation
> for discussion purposes)?

        Yes.

>  How much RAM can 256K of L2 cache?  Is it
> the same type of
> answer?

        Yes, although most of the boards out there will cache up to 32megs with
256K cache, but again it can vary. TTYL