* Andi Kleen ([EMAIL PROTECTED]) wrote: > [EMAIL PROTECTED] writes: > > > I recently put 4 GB of memory in my Acer Travelmate 8210 series > > notebook. The BIOS only detects 3 GB. > > Actually it will detect 4GB, but put the PCI hole over the last GB. > One way to get more usable memory is to configure the BIOS to use a smaller > PCI hole (e.g. use smaller frame buffer/aperture etc.)
Unfortunately there are certainly some that don't make many options for configuration and also use a vast amount; my Toshiba A100-306 uses an entire 1GB for the PCI space and has very little in the way of configuration. > > I googled around a little. It appears to be a chipset limitation of the > > 945gt, which uses the fourth gig for devices. > > > > Now I can understand this explanation for 32-bit mode, but I'm running > > in 64-bit mode. There should be a way to use the fourth gig under > > Linux. Is there? > > The chipset limitation applies to 64bit mode as well as to 32bit mode > (which actually does not have a 4GB limitation with PAE) Note that some system and memory vendors have incorrect statements stating that the 3.xGB limit is a 32bit OS issue on these machines and it'll all just work fine on 64bit OSs. Dave -- -----Open up your eyes, open up your mind, open up your code ------- / Dr. David Alan Gilbert | Running GNU/Linux on Alpha,68K| Happy \ \ gro.gilbert @ treblig.org | MIPS,x86,ARM,SPARC,PPC & HPPA | In Hex / \ _________________________|_____ http://www.treblig.org |_______/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
