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I have a few P370s running Red Hat Enterprise 3 Update 3 with 4 1GB DIMMs in them. The BIOS correctly sees 4GB of system memory, but when the OS boots up, it sees only 3GB.
I have looked through the /boot/config-2.4.21-20.EL file, and found:
One would assume that this would enable the system to see 4GB of memory right?
Does CONFIG_3GB=y have anything to do with limiting the system to 3GB? The menuconfig for the kernel sources has no help section for the CONFIG_3GB option.
So what might be the cause of this missing memory?
Output of uname -a:
Linux testlinux 2.4.21-20.EL #1 Wed Aug 18 20:58:25 EDT 2004 i686 i686 i386 GNU/Linux