Re: memory remapping, 4gb memory on 945gt

2008-01-04 Thread Parag Warudkar
H. Peter Anvin zytor.com> writes: > > Supposedly WinXP-32 doesn't use memory over 4 GB even if it is available > (a market-segmentation decision of the part of Microsoft, to force > people to buy WinServer 2003; WinXP SP2 does PAE so there is no > technical reason.) This probably has disince

Re: memory remapping, 4gb memory on 945gt

2008-01-04 Thread H. Peter Anvin
Dr. David Alan Gilbert wrote: 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 lim

Re: memory remapping, 4gb memory on 945gt

2008-01-04 Thread Udo A. Steinberg
On Fri, 04 Jan 2008 17:22:57 +0100 Andi Kleen (AK) wrote: AK> [EMAIL PROTECTED] writes: AK> AK> > I recently put 4 GB of memory in my Acer Travelmate 8210 series AK> > notebook. The BIOS only detects 3 GB. AK> AK> Actually it will detect 4GB, but put the PCI hole over the last GB. AK> One way t

Re: memory remapping, 4gb memory on 945gt

2008-01-04 Thread Dr. David Alan Gilbert
* 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 co

Re: memory remapping, 4gb memory on 945gt

2008-01-04 Thread Andi Kleen
[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 s