Ubuntu
linux-source-2.6.17 package

  1. Bug #74179
  2. Comment #25

Comment 25 for bug 74179

Revision history for this message
Christoph Lechleitner (lech) wrote :

>by the way I also tried 64 bit ubuntu, but it also saw only ~3GB

I see no way a 64-bit distro falls short of using every RAM there is.
(Well maybe there are kernel params to restrict the RAM but I assume you have not done that)

IMO you either have only 3 GB, or your mainboard and/or BIOS lack support for more.