speed up video card of T41

Mine is radeon M7500.
And in my xorg.conf, I have:
-------------------------------------------
Section "Device"
Identifier "Configured Video Device"
Boardname "ATI Radeon"
Busid "PCI:1:0:0"
Driver "radeon"
Screen 0
Vendorname "ATI"
Option "MergedFB" "off"
Option "AccelMethod" "EXA"
Option "EXANoComposite" "false"
Option "AGPFastWrite" "On"
Option "FBTexPercent" "50"
Option "MigrationHeuristic" "greedy" # the most effective option
Option "DRI" "true"
Option "GARTSize" "256"
Option "AGPMode" "4"
Option "Colortiling" "On"
EndSection
-------------------------------------------

ubuntu 256 bit color urxvt (from internet)

Steps used to recompile urxvt with the 256 bit color patch.
$ apt-get source rxvt-unicode
$ sudo apt-get build-dep rxvt-unicode
$ cd rxvt-unicode*
$ patch -p1 < doc/urxvt-8.2-256color.patch
$ sudo dpkg-buildpackage -us -uc
$ sudo dpkg -i rxvt-unicode_9.05-4_i386.deb
$ echo "rxvt-unicode hold" | sudo dpkg --set-selections
in your .Xdefaults file, type: rxvt.termName=xterm, so that most ssh to other machine will support 256 color.

The last step makes sure apt doesn't reinstall the old package the next time you update.

opera keyboard issues

I found that sometime my keyboard didn't respond in opera. I can get this fixed by start a terminal and close it, then my keyboard come back.
But today I found a solution.
It is caused by conflict between it and scim.
So:
sudo apt-get install scim-qtimm
sudo vim /usr/bin/opera

add "export export QT_IM_MODULE=SCIM" at second line.

restart opera and all is fine.

Opera with Chinese font config

First, you need to have YaHei font, which I think can give you best profile when Chinese+English is showing. I even use it as the font in terminal. I think it is better than WenQuanYi.
Methods of installing YaHei is in another post of mine.

1. Tools->Preferences->advanced->fonts; all change to YaHei Consolas Hybrid.
2. type opera:config in address bar, search antialiasing and dismark it.
3. open a terminal, type:
echo 'html,body,*{font-family:"YaHei Consolas Hybrid" !important;}' > ~/.opera/styles/user/user.css
4. restart opera, view->style->user.css.
tools->preferences->general->language->details->encoding to assume...->gb18030
5. restart opera.
You will find the Chinese font is perfect.