Asus EAX 1300 (RV370)

$ lspci
04:00.0 VGA compatible controller: ATI Technologies Inc RV370 5B60 [Radeon X300 (PCIE)]

Hardware tests and comments:
http://hardware4linux.info/type/5/
3D never be perfect
Suggest: dump this card, if you have chance for other stuff

Google search:
rv370 debian

Do:
$ sudo dpkg-reconfigure -phigh xserver-xorg
$ nano /etc/X11/xorg.conf
to contain Options at result below.

Result:

1. fglrx driver ($ sudo aticonfig) freeze the system
2. radeon is working (but not radeonhd), below are Option for 3D (http://www.linuxquestions.org/questions/debian-26/finally-got-3d-in-debian-lenny-with-a-radeon-9000-639869/?highlight=ati+radeon+lenny):

Section "Device"
Identifier "Configured Video Device"
Driver "radeon"
Option "XAANoOffscreenPixmaps"
Option "RenderAccel" "true"
Option "AGPFastWrite" "true"
Option "VBERestore" "true"
Option "AddARGBGLXVisuals" "true"
Option "EnablePageFlip" "true"
Option "AccelMethod" "XAA"
Option "AllowGLXWithComposite" "true"
Option "ColorTiling" "1"
EndSection