XF86Configはこうなってます。

Section "Module"
Load "extmod"
Load "dri"
Load "glx"
Load "dbe"
Load "record"
Load "xtrap"
Load "speedo"
Load "type1"
EndSection

Section "Device"
Identifier "Card0"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "Unknown Board"
BusID "PCI:1:0:0"
EndSection