Memperbaiki Resolusi VGA SIS Mirage 3 di Ubuntu

Laptop / PC yang menggunakan VGA SIS biasanya kalau di install linux ukuran resolusinya 800 x 600.
nah supaya ukurannya normal caranya yitu:

- Buka terminal
- Edit file xorg.conf yang ada di folder /etc/X11/xorg.conf

$sudo nano /etc/X11/xorg.conf

- Kemudian copy / paste script dibawah ke file xorg.conf tersebut
atau download disini
- Logout / restart komputer

# File generated by XFdrake (rev 247269)

Section "Monitor"
Identifier "monitor1"
VendorName "Generic"
ModelName "Flat Panel 1280x800"
HorizSync 31.5-90
VertRefresh 60
Option "PreferredMode" "1280x800"
ModeLine "1280x800" 68.94 1280 1301 1333 1408 800 803 808 816 -hsync -vsync
#ModeLine "768x576" 50.00 768 832 846 1000 576 590 595 630
#ModeLine "768x576" 63.07 768 800 960 1024 576 578 590 616
#ModeLine "1280x800_120" 181.21 1280 1376 1520 1760 800 801 804 858 -HSync +Vsync
#ModeLine "1280x800_100" 147.89 1280 1376 1512 1744 800 801 804 848 -HSync +Vsync
#ModeLine "1280x800_85" 123.38 1280 1368 1504 1728 800 801 804 840 -HSync +Vsync
#ModeLine "1280x800_75" 107.21 1280 1360 1496 1712 800 801 804 835 -HSync +Vsync
ModeLine "1280x800_60" 83.46 1280 1344 1480 1680 800 801 804 828 -HSync +Vsync
#ModeLine "1280x800_50" 68.56 1280 1336 1472 1664 800 801 804 824 -HSync +Vsync
# Monitor preferred modeline (60.0 Hz vsync, 49.0 kHz hsync, ratio 16/10, 106 dpi)
# TV fullscreen mode or DVD fullscreen output.
# 768x576 @ 79 Hz, 50 kHz hsync
# 768x576 @ 100 Hz, 61.6 kHz hsync
# modeline generated by gtf(1) [handled by XFdrake]
# modeline generated by gtf(1) [handled by XFdrake]
# modeline generated by gtf(1) [handled by XFdrake]
# modeline generated by gtf(1) [handled by XFdrake]
# modeline generated by gtf(1) [handled by XFdrake]
# modeline generated by gtf(1) [handled by XFdrake]
EndSection

Section "Screen"
Identifier "screen1"
Device "device1"
Monitor "monitor1"
DefaultColorDepth 24
Option "RenderAccel" "True"
Option "AddARGBGLXVisual" "Enable"
SubSection "Display"
Depth 8
Modes "1280x800"
#Virtual 1280 768
Virtual 1280 800
EndSubSection
SubSection "Display"
Depth 15
Modes "1280x800"
#Virtual 1280 768
Virtual 1280 800
EndSubSection
SubSection "Display"
Depth 16
Modes "1280x800"
#Virtual 1280 768
Virtual 1280 800
EndSubSection
SubSection "Display"
Depth 24
Modes "1280x800"
#Virtual 1280 768
Virtual 1280 800
EndSubSection
EndSection

Section "Module"
Load "dbe" # Double-Buffering Extension
Load "v4l" # Video for Linux
Load "extmod"
# Load "freetype"
Load "glx" # 3D layer
Load "dri"
Load "GLcore"
# Load "xtrap"
Load "record"
### #Disable "dri"
# Load "type1"
EndSection

Section "InputDevice"
Identifier "Keyboard1"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
Option "XkbOptions" "compose:rwin"
EndSection

Section "InputDevice"
Identifier "Mouse1"
Driver "mouse"
Option "Protocol" "ExplorerPS/2"
Option "Device" "/dev/mouse"
EndSection

Section "Extensions"
Option "Composite" "off"
EndSection

Section "ServerLayout"
Identifier "layout1"
InputDevice "Keyboard1" "CoreKeyboard"
InputDevice "Mouse1" "CorePointer"
Screen "screen1"
EndSection

Section "Device"
Identifier "device1"
VendorName "Silicon Integrated Systems [SiS]"
BoardName "SiS SiS 670 / 671-based cards"
Driver "vesa"
VideoRam 262144
BusID "PCI:1:0:0"
Option "NoFlip" "True"
Option "EnableSiSCtrl" "yes"
Option "DPMS"
Option "XAANoOffscreenPixmaps" "True"
Option "ForcePanel" "True"
Option "TripleBuffer" "True"
Option "LCDPort" "DFP_HIGHLOW"
Option "EnableAGPDMA" "True"
Option "DRI" "true"
Option "AllowGLXWithComposite" "True"
Option "DamageEvents" "True"
EndSection

Section "ServerFlags"
AllowMouseOpenFail # allows the server to start up even if the mouse does not work
EndSection

Section "ServerFlags"
Option "AIGLX" "off"
Option "IgnoreABI" "true"
Option "Composite" "True"
## Option "Xinerama" "enable"
EndSection