[Solved]: Etch to Lenny -> X freeze or computer restarts (Asus M2A-VM)

[Thierry Chatelet <tchatelet@free.fr>]

Hi all
Upgrading my sister computer to Lenny, it started either to freeze or to stop. 
Nothing usefull in the log.
After some trial (acpi=off, noapic.....) I finally upgraded the bios. Problem 
solved!!!!
No idea why it would work with Etch and not with Lenny, but it may help 
someone.
Thierry