Maxmimum RAM for FC3
Les Mikesell
lesmikesell at gmail.com
Mon Dec 19 16:19:55 UTC 2005
On Mon, 2005-12-19 at 10:06, Dave Jones wrote:
> On Mon, Dec 19, 2005 at 10:47:01AM +0100, luca porcu wrote:
> > 32 bit = 2 ^ 32 MB of RAM 4096MB is the max of RAM for CPU at 32bit!
>
> Except with PAE (Physical Address Extensions), the CPU is effectively
> 36 bit. Giving a theoretical address range of 64GB. In practice
> however, once you go past 4GB, your low memory region (0->896MB)
> becomes filled very quickly with structures that _have_ to live
> in that range, and all sorts of problems can occur (typically page
> allocation failures, oom-kills).
Could this cause a problem with VMware on a machine with exactly
4 gigs? I have one box where vmplayer will not run a windows
2k or xp virtual machines (hangs about 3/4th's of the way through
booting), but some similar boxes with less ram work fine.
--
Les Mikesell
lesmikesell at gmail.com
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