[CentOS] Memory vs. Display Card

Sun Mar 8 03:17:54 UTC 2009
Ray Van Dolson <rayvd at bludgeon.org>

On Sun, Mar 08, 2009 at 03:00:59AM +0000, Rick wrote:
> Since memory has become quite cheap lately I decided to move from 2 GB
> to 6. When I installed the memory every thing was fine until I went to
> run level 5. At that point the screen turned to garbage and the system
> froze. Is there a way to fix this so I can use the memory I bought? Do
> I need a new display card?
> Current hardware:
>   Intel D975XBX2 Motherboard
>   VGA compatible controller: ATI Technologies Inc RV505 [Radeon X1550 64-bit]

That sounds pretty strange.  Have you confirmed that removing the "new"
memory allows you to run in runlevel 5 again?

If so, maybe you need to adjust some memory timing settings in BIOS.