Re: Opteron box and 4Gb memory

2007-11-08 Thread Lennart Sorensen
On Tue, Nov 06, 2007 at 12:03:19AM +0100, J.A. Magall?n wrote: > (correction, this was not AMD website but SuperMicro's) > > I just said the same... Board is a SuperMicro H8DCE. From the FAQ section > at supermicro: > > Question > I have an H8DCE motherboard with 4 x 1GB DIMMS installed but the a

Re: Opteron box and 4Gb memory

2007-11-05 Thread J.A. Magallón
On Mon, 5 Nov 2007 13:50:40 -0500, [EMAIL PROTECTED] (Lennart Sorensen) wrote: > On Mon, Nov 05, 2007 at 07:45:21PM +0100, J.A. Magall?n wrote: > > Well, problem solved... > > > > I'm going to kill all pc assemblers in the world... Someone should teach > > them > > to learn mauals before assembl

Re: Opteron box and 4Gb memory

2007-11-05 Thread Lennart Sorensen
On Mon, Nov 05, 2007 at 07:45:21PM +0100, J.A. Magall?n wrote: > Well, problem solved... > > I'm going to kill all pc assemblers in the world... Someone should teach them > to learn mauals before assembling anything but a power chord. > > The memory was not paired, so the motherboard was not inte

Re: Opteron box and 4Gb memory

2007-11-05 Thread J.A. Magallón
On Mon, 5 Nov 2007 13:10:46 -0500, [EMAIL PROTECTED] (Lennart Sorensen) wrote: > On Mon, Nov 05, 2007 at 12:18:47AM +0100, J.A. Magall?n wrote: > > Well, I was able to get about 3 Gb with MTRR=discrete in the BIOS, > > but I'm still in the process to find the 'software hole' option to get > > the

Re: Opteron box and 4Gb memory

2007-11-05 Thread Lennart Sorensen
On Mon, Nov 05, 2007 at 12:18:47AM +0100, J.A. Magall?n wrote: > Well, I was able to get about 3 Gb with MTRR=discrete in the BIOS, > but I'm still in the process to find the 'software hole' option to get > the rest of the 4Gb... > > But now another (perhaps related) question has arised... > I lik

Re: Opteron box and 4Gb memory

2007-11-04 Thread J.A. Magallón
On Thu, 25 Oct 2007 14:58:10 -0700, "H. Peter Anvin" <[EMAIL PROTECTED]> wrote: > J.A. Magallon wrote: > > Hi... > > > > I have some Quad-Opteron boxes with 4Gb memory and two of them are > > running two different Linux distros. > > > > Box one sees 4Gb of memory, but box two just sees 3. > > Th

Re: Opteron box and 4Gb memory

2007-10-26 Thread Arne Georg Gleditsch
"J.A. Magallón" <[EMAIL PROTECTED]> writes: > Software Memory Hole > When "Enabled", allows software memory remapping around the memory > hole. Options are Enabled and Disabled. > > Hardware Memory Hole > When "Enabled", allows software memory remapping around the memory > hole. Options are Enabled

Re: Opteron box and 4Gb memory

2007-10-25 Thread J.A. Magallón
On Thu, 25 Oct 2007 14:58:10 -0700, "H. Peter Anvin" <[EMAIL PROTECTED]> wrote: > J.A. Magallon wrote: > > Hi... > > > > I have some Quad-Opteron boxes with 4Gb memory and two of them are > > running two different Linux distros. > > > > Box one sees 4Gb of memory, but box two just sees 3. > > Th

Re: Opteron box and 4Gb memory

2007-10-25 Thread Rafael J. Wysocki
On Thursday, 25 October 2007 23:58, H. Peter Anvin wrote: > J.A. Magallon wrote: > > Hi... > > > > I have some Quad-Opteron boxes with 4Gb memory and two of them are > > running two different Linux distros. > > > > Box one sees 4Gb of memory, but box two just sees 3. > > Their mtrr setups are dif

Re: Opteron box and 4Gb memory

2007-10-25 Thread H. Peter Anvin
J.A. Magallon wrote: Hi... I have some Quad-Opteron boxes with 4Gb memory and two of them are running two different Linux distros. Box one sees 4Gb of memory, but box two just sees 3. Their mtrr setups are different: Why ? Is it a bios setup problem ? A kernel problem ? grep HIGHMEN in configs