Boa tarde, não tenho intimidade com o linux, mais muito obrigado, segue comandos...
alex@alex-desktop:~$ sudo lsb_release -a
[sudo] password for alex:
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.10
Release: 14.10
Codename: utopic
alex@alex-desktop:~$ sudo lspci -nnk
00:00.0 Host bridge [0600]: Silicon Integrated Systems [SiS] 671MX [1039:0671]
Subsystem: Elitegroup Computer Systems Device [1019:5050]
Kernel driver in use: agpgart-sis
00:01.0 PCI bridge [0604]: Silicon Integrated Systems [SiS] AGP Port (virtual PCI-to-PCI bridge) [1039:0003]
00:02.0 ISA bridge [0601]: Silicon Integrated Systems [SiS] SiS968 [MuTIOL Media IO] [1039:0968] (rev 01)
Subsystem: Elitegroup Computer Systems Device [1019:5a00]
00:02.5 IDE interface [0101]: Silicon Integrated Systems [SiS] 5513 IDE Controller [1039:5513] (rev 01)
Subsystem: Elitegroup Computer Systems Device [1019:5a00]
Kernel driver in use: pata_sis
00:03.0 USB controller [0c03]: Silicon Integrated Systems [SiS] USB 1.1 Controller [1039:7001] (rev 0f)
Subsystem: Elitegroup Computer Systems Device [1019:5a00]
Kernel driver in use: ohci-pci
00:03.1 USB controller [0c03]: Silicon Integrated Systems [SiS] USB 1.1 Controller [1039:7001] (rev 0f)
Subsystem: Elitegroup Computer Systems Device [1019:5a00]
Kernel driver in use: ohci-pci
00:03.3 USB controller [0c03]: Silicon Integrated Systems [SiS] USB 2.0 Controller [1039:7002]
Subsystem: Elitegroup Computer Systems Device [1019:5a00]
Kernel driver in use: ehci-pci
00:04.0 Ethernet controller [0200]: Silicon Integrated Systems [SiS] 191 Gigabit Ethernet Adapter [1039:0191] (rev 02)
Subsystem: Elitegroup Computer Systems Device [1019:5a00]
Kernel driver in use: sis190
00:05.0 SATA controller [0106]: Silicon Integrated Systems [SiS] AHCI IDE Controller (0106) [1039:1185] (rev 03)
Subsystem: Silicon Integrated Systems [SiS] AHCI IDE Controller (0106) [1039:1185]
Kernel driver in use: ahci
00:0f.0 Audio device [0403]: Silicon Integrated Systems [SiS] Azalia Audio Controller [1039:7502]
Subsystem: Elitegroup Computer Systems Device [1019:5a00]
Kernel driver in use: snd_hda_intel
01:00.0 VGA compatible controller [0300]: Silicon Integrated Systems [SiS] 771/671 PCIE VGA Display Adapter [1039:6351] (rev 10)
Subsystem: Elitegroup Computer Systems Device [1019:5050]
alex@alex-desktop:~$ sudo grep -A2 "\(LoadModule\|drm\)" /var/log/Xorg.0.log
[ 22.405] (II) LoadModule: "glx"
[ 22.422] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 22.556] (II) Module glx: vendor="X.Org Foundation"
--
[ 22.556] (II) LoadModule: "sis"
[ 22.587] (WW) Warning, couldn't open module sis
[ 22.587] (II) UnloadModule: "sis"
--
[ 22.587] (II) LoadModule: "modesetting"
[ 22.587] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 22.587] (II) Module modesetting: vendor="X.Org Foundation"
--
[ 22.587] (II) LoadModule: "fbdev"
[ 22.588] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 22.588] (II) Module fbdev: vendor="X.Org Foundation"
--
[ 22.588] (II) LoadModule: "vesa"
[ 22.588] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[ 22.588] (II) Module vesa: vendor="X.Org Foundation"
--
[ 22.588] (II) LoadModule: "sis"
[ 22.589] (WW) Warning, couldn't open module sis
[ 22.589] (II) UnloadModule: "sis"
--
[ 22.589] (II) LoadModule: "modesetting"
[ 22.589] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 22.589] (II) Module modesetting: vendor="X.Org Foundation"
--
[ 22.589] (II) LoadModule: "fbdev"
[ 22.590] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 22.590] (II) Module fbdev: vendor="X.Org Foundation"
--
[ 22.590] (II) LoadModule: "vesa"
[ 22.590] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[ 22.590] (II) Module vesa: vendor="X.Org Foundation"
--
[ 22.591] (II) LoadModule: "fbdevhw"
[ 22.591] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[ 22.591] (II) Module fbdevhw: vendor="X.Org Foundation"
--
[ 22.591] (II) LoadModule: "fb"
[ 22.591] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 22.592] (II) Module fb: vendor="X.Org Foundation"
--
[ 22.592] (II) LoadModule: "shadow"
[ 22.592] (II) Loading /usr/lib/xorg/modules/libshadow.so
[ 22.592] (II) Module shadow: vendor="X.Org Foundation"
--
[ 22.861] (II) LoadModule: "evdev"
[ 22.862] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[ 22.890] (II) Module evdev: vendor="X.Org Foundation"
--
[ 22.905] (II) LoadModule: "synaptics"
[ 22.905] (II) Loading /usr/lib/xorg/modules/input/synaptics_drv.so
[ 22.905] (II) Module synaptics: vendor="X.Org Foundation"
alex@alex-desktop:~$ sudo lsmod | grep drm
alex@alex-desktop:~$