Maxmimum RAM for FC3

[Dave Jones]

On Mon, Dec 19, 2005 at 10:19:55AM -0600, Les Mikesell wrote:
 > 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.

No idea, I don't use vmware :-/
But a hang sounds like something completely different.

		Dave