If you are still having problems try theses commands to collect more information. # lspci 00:00.0 Host bridge: nVidia Corporation MCP79 Host Bridge (rev b1) 00:00.1 RAM memory: nVidia Corporation MCP79 Memory Controller (rev b1) 00:03.0 ISA bridge: nVidia Corporation MCP79 LPC Bridge (rev b2) 00:03.1 RAM memory: nVidia Corporation MCP79 Memory Controller (rev b1) 00:03.2 ..