Why FC3 doesn't see 4Gb of RAM?

[Roberto Fichera]

At 23.17 24/08/2005, Alexander Dalloz wrote:

 >Am Mi, den 24.08.2005 schrieb Andy Pieters um 22:48:
 >
 >Don't top-post please.
 >
 >> IIRC, you need to use the hugemem kernel!  I don't seem to remember there
 >> being a combination of hugemen and smp, but that can be resolved 
by doing a
 >> compile-your-own-kernel, which isn't so hard after all.
 >
 >"The other difference with the hugemem kernel is that the kernel and
 >userspace address spaces are split 4GB/4GB, meaning that with the
 >hugemem kernel, a userspace program has access to its 4GB."
 >
 >The problem is that Roberto's hardware (motherboard + BIOS) does not
 >remap the memory area used by I/O, which must be inside the 4GB on 32bit
 >systems, beyond the 4GB barrier. A kernel with the 4G/4G patch would not
 >change that.

Ok! Now I understand the problem, so do you mean that I have to look at
BIOS upgrade in order to "resolve" (partially?) the problem?

 >
 >> Andy
 >
 >Alexander

Roberto Fichera.