Re: passing "mem=???" to the kernel

["Hall Stevenson" <hallstevenson@mindspring.com>]

> ...I recently doubled the RAM on one of my systems
> (from 128 to 256 MB) but the new RAM is not found.

Maybe a stupid question, but does your motherboard/BIOS
recognize the new memory *first* ??

> I've never really seen a good explanation of why the kernel
> is not always able to find all the RAM, or under what
> circumstances it happens.

Around kernel 2.0.36, a major change was made in the software
that detects actual memory. On some, if not many systems, this
eliminated the need to pass the "mem" option to the kernel.

Regards
Hall