-----Original Message-----
发件人: Riley Williams <rhw@bigfoot.com>
收件人: Mike Ford Ditto <ford@omnicron.com>
抄送: linux-kernel@vger.rutgers.edu <linux-kernel@vger.rutgers.edu>
日期: 1998年5月30日 6:01
主题: Re: Memory errors with 64MB RAM?
>Hi Mike.
>
> > I recently upgraded the RAM in a 166MHz Pentium system and the new
> > memory doesn't seem to work (I get filesystem corruption, kernel
> > paging errors, and random SIGSEGVs to various programs).
>
> > Obviously, the first suspect is that the new memory is defective or
> > incompatible. But I thought I would take a long shot and ask here
> > if there is anything to watch out for when running Linux on a PC
> > with 64MB or more memory.
>
>From bitter experience, I learned to watch for BIOS's that grab the
>top 4k of RAM for themselves. That's not a problem if Linux uses the
>value reported by the BIOS itself, but if you start sticking append
>lines specifying "mem=xxM" then watch out !!!
>
>I now have 128M of RAM on my machine, but if I specify "mem=128M" then
>it locks solid EVERY time for precicely this reason. However, if I
>specify "mem=131068k" instead, thus reducing the amount of memory by
>just 4k, I get NO problems whatsoever...
>
>Best wishes from Riley.
>
>
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