~$ grep LoadModule /var/log/Xorg.0.log
(II) LoadModule: "pcidata"
(II) LoadModule: "dbe"
(II) LoadModule: "ddc"(II) Module already built-in
(II) LoadModule: "dri"
(II) LoadModule: "extmod"
(II) LoadModule: "freetype"
(II) LoadModule: "glx"
(II) LoadModule: "int10"
(II) LoadModule: "record"
(II) LoadModule: "type1"
(II) LoadModule: "vbe"
(II) LoadModule: "nv"
(II) LoadModule: "keyboard"
(II) LoadModule: "mouse"
(II) LoadModule: "int10"
(II) LoadModule: "vgahw"
(II) LoadModule: "i2c"(II) Module already built-in
(II) LoadModule: "ddc"(II) Module already built-in
(II) LoadModule: "fb"
(II) LoadModule: "xaa"
(II) LoadModule: "ramdac"(II) Module already built-in
(II) LoadModule: "GLcore"

~$ grep drv /var/log/Xorg.0.log
(II) Loading /usr/lib/xorg/modules/drivers//nv_drv.so
(II) Loading /usr/lib/xorg/modules/input//keyboard_drv.so
(II) Loading /usr/lib/xorg/modules/input//mouse_drv.so