2012/9/21 Ralf Mardorf <ralf.mardorf@xxxxxxxxxxxxx> > On Fri, 2012-09-21 at 16:17 +0530, Aurko Roy wrote: > > On Fri, Sep 21, 2012 at 4:16 PM, Roel Deckers <r.deckers.93@xxxxxxxxx > >wrote: > > > > > Does the missing memory show up in other OSs? > > > It can be faulty ram if it doesn't show up in any OS, recently had that > > > problem. > > > > > > On Fri, Sep 21, 2012 at 12:37 PM, Guillermo Leira <gleira@xxxxxxxxxx> > > > wrote: > > > > Hello! > > > > > > > > I've installed an x86_64 Arch on a PC with 8 GB, but it seems to be > > > seeing > > > > just four. What have I done wrong? > > > > > > > > Bios sees 4 x 2GB Modules and reports 8 GB, but top or free report > only 4 > > > > GB. > > > > > > > > Best Regards > > > > > > > > Guillermo Leira > > > > > > > > > > > > > > > > > > > > > > > You could try running memtest86+ on boot and see if it detects the > > additional memory. > > I never heard that anybody solved this issue, but I read that many > people have this issue too. > > On my computer there are only 3 GB + 768 MB of 4 MB available. The > graphics has got it's own framebuffer, 256 MB, but IIRC I once have seen > that the framebuffer is 512 MB. I guess I can see it running NVIDIA > settings, but at the moment I can't run it, because I'm using the nv > driver. IIRC memtest86+ did always show the complete memory on my > machine. I don't care, since it doesn't make a difference if I got 4GB > or 3.8GB. However, I read often about this 8GB issue, for different > distros. And it where definitive threads about 64-bit architecture, not > about 32-bit and PAE issues. > > Regards, > Ralf > > Ralf, if I got right you can't find the buffer memory right? Assuming you got a gpu why don't you disable the buffer on the bios?
