Subject: Re: >4GB RAM on i386??
To: Lennart Augustsson <lennart@augustsson.net>
From: Bill Sommerfeld <sommerfeld@orchard.arlington.ma.us>
List: port-i386
Date: 12/27/2001 18:19:17
> > i found infos about 2-way pentium-III servers accepting 6 GB of RAM.
> >
> > HOW is it addressed?!?!
>
> There are plenty of address lines from the chip (I forget exactly
> how many, 40?).
36, so you max out at 64GB physical. Needless to say, if you start
using memory over the 4GB point you need bounce buffers for 32-bit PCI
devices and the like (among other things).
- Bill