On Sat, Jul 07, 2007 at 04:40:00PM -0400, Jim Crilly wrote: > > For 32-bit systems only if the kernel is compiled with CONFIG_HIGHMEM64G > enabled so you need one of the "bigmem" kernels. And the BIOS on the machine > has to support remapping the lost memory above the 4G mark, if it won't do > that for you there's nothing you can do to get access to that memory. > The stock Debian kernels are configured like this: CONFIG_HIGHMEM4G=y # CONFIG_HIGHMEM64G is not set CONFIG_HIGHMEM=y So, if you have a machine with 4-64 GB RAM, then a custom kernel is in order. Of course, as far as the BIOS goes, if the machine supports more than 4 GB RAM, then the BIOS should as well. After all, why would someone manufacture a machine that can handle more than 4 GB RAM and then put in a BIOS that cannot? Regards, -Roberto -- Roberto C. Sánchez http://people.connexer.com/~roberto http://www.connexer.com
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