On Tue, Jul 14, 2009 at 06:01:57PM +0200, Joerg Bergmann wrote: > Am 14.07.2009 16:39, schrieb Alan Cox: > >On Tue, 14 Jul 2009 07:43:06 -0400 > >Neal Becker<ndbecker2@xxxxxxxxx> wrote: > > > >>I have a argument with another user about memory. He claims that on > >>running > >>linux on his 4G Dell machine, top only reports 3.something memory, he says > >>the missing space is for pci bus. I think this is only because he's > >>running > >>32 bit and that 64 bit would give all the memory. > > > >Plenty of chipsets don't support mapping the RAM covered by the PCI > >window up to the end of memory, especially older ones. > > > > Just a remark: On my fedora 11 system (phenom II, 4GB RAM, > 32 bit, PAE) top reports 3.9GB RAM. On my opinion, this is > thanks to PAE. > > Joerg Ah, just the config I'm building from new parts, as we speak. Glad to hear PAE takes care of th at issue. I'm planning to stay 32-bit just because of the various issues that I've heard about with things like lack of 64-bit-compatible browser plugins, etc., etc. It's just my personal box for reading mail and playing with, so it's no huge deal to remain 32-bit. -- ------------------------------------------------------------------------------- .---- Fred Smith / ( /__ ,__. __ __ / __ : / / / / /__) / / /__) .+' Home: fredex@xxxxxxxxxxxxxxxxxxxxxx / / (__ (___ (__(_ (___ / :__ 781-438-5471 -------------------------------- Jude 1:24,25 ---------------------------------
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