8GB memory not being seen in 64 bit ubuntu

[Victor Padro]

On Tue, Feb 17, 2009 at 10:10 AM, Rashkae <ubuntu at tigershaunt.com> wrote:

> Paras pradhan wrote:
> > On Sat, Feb 14, 2009 at 9:39 AM, sbquinn <sbquinn at hotmail.com> wrote:
> >> I have 8GB installed in my machine. It sees it on boot and post shows
> 8192. I
> >> have the 64bit kernel installed but ubuntu only recognizes 3.2GB.
> >>
> >> Free:
> >> free
> >>             total       used       free     shared    buffers     cached
> >> Mem:       3347076    1517968    1829108          0      25616
> 549916
> >>
> >> uname -a
> >> Linux takiyok 2.6.27-11-generic #1 SMP Thu Jan 29 19:28:32 UTC 2009
> x86_64
> >> GNU/Linux
> >>
> >> System > Administer > System Monitor
> >> Also reports:
> >> Release 8.10 (intrepid)
> >> Kernel Linux 2.6.27-11-generic
> >>
> >> Memory: 3.2 GiB
> >>
> >> Any help to enable the full 8gb would be appreciated
> >> --
> >> View this message in context:
> http://www.nabble.com/8GB-memory-not-being-seen-in-64-bit-ubuntu-tp22013856p22013856.html
> >> Sent from the ubuntu-users mailing list archive at Nabble.com.
> >>
> >>
> >> --
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> >>
> >
> > I have the same issue. It seems the motherboard doesn't support more
> > that 3.2 G and if not then i have been told that the rest of the
> > memory has been reseved by video memory which I have
> > nt seen any solution yet. I am using 3.2G only.. damn :(
> >
> > Paras.
> >
>
> Err, video might account for 256 to 512MB of missing memory,  but there
> is something very wrong when an 8GB is only reporting 3gb.  Sorry I
> can't offer good suggestions on where to look.. Bios settings?
>
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Have you check your BIOS that states there are 8GB installed on your
motherboard?
Could you specify your motherboard model and brand?
As Rashkae stated video might account up to 1GB at top in certain cases but
not 5GBs, so maybe you are running memory modules that aren't supported in
your mainboard config or perhaps faulty ones.


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