l i n u x - u s e r s - g r o u p - o f - d a v i s
L U G O D
 
Next Meeting:
January 6: Social gathering
Next Installfest:
TBD
Latest News:
Nov. 18: Club officer elections
Page last updated:
2001 Dec 30 17:07

The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

Report this post as spam:

(Enter your email address)
Re: [vox-tech] Physical Memory vs. Reported Memory
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [vox-tech] Physical Memory vs. Reported Memory



On Tue, Jul 10, 2001 at 10:58:37PM -0700, Mark K. Kim wrote:
> > 1. Memory size detection by the kernel is not reliable on i386
> >    architectures above 64Mb. 
> > 
> > 2. The GRUB bootloader can generally detect the memory size reliably
> >    and will pass the size it finds to the kernel!
> > 
> > 3. The hardware memory check is done by the BIOS, well before the kernel
> >    loads, so Linux knows nothing about it.
> 
> Then one can ask: How does Windows do it and why can't we do the same?

Most likely using real-mode BIOS calls. Linux always runs in proctected mode.

-- 
Henry House
OpenPGP key available from http://romana.hajhouse.org/hajhouse.asc

Attachment: pgp00005.pgp
Description: PGP signature



LinkedIn
LUGOD Group on LinkedIn
Sign up for LUGOD event announcements
Your email address:
facebook
LUGOD Group on Facebook
'Like' LUGOD on Facebook:

Hosting provided by:
Sunset Systems
Sunset Systems offers preconfigured Linux systems, remote system administration and custom software development.

LUGOD: Linux Users' Group of Davis
PO Box 2082, Davis, CA 95617
Contact Us

LUGOD is a 501(c)7 non-profit organization
based in Davis, California
and serving the Sacramento area.
"Linux" is a trademark of Linus Torvalds.

Sponsored in part by:
Appahost Applications
For a significant contribution towards our projector, and a generous donation to allow us to continue meeting at the Davis Library.