Linux not recognising memory above 64MB

Posted on 2000-05-07
Last Modified: 2010-04-20
I have just installed redhat linux 6.2 onto a PC with 256MB of RAM on an MS-6153VA ATX VIA Apollo Pro133 Mainboard.  Linux is reporting that there is only 64MB of RAM.

The BIOS, win95 and win98 all report 256MB of RAM.
Question by:simon_oldfield
  • 2

Accepted Solution

modulus earned 100 total points
ID: 2786745
at boot-prompt:

boot: linux mem=128M

Expert Comment

ID: 2786761
You can make that permanent if you are using lilo by editing your lilo.conf


then running /sbin/lilo

This option is described in the lilo man page if you are interested in further reading.  It's due to a limitation in some BIOS's design,

best wishes,

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