hello~

I follow this link
http://www.insanelymac.com/forum/index.php?showtopic=155477

installation package 7_radeon_hd_48x0_drivers.pkg

2. Download and install the following 2 kext files with Kext Helper: http://rapidshare.de/files/46800670/accel.tar.bz2.html & http://rapidshare.de/files/46858272/Natit.kext.tar.bz2.html.

reboot with -v -f

Get Blue Screen.

See my post:
http://www.insanelymac.com/forum/index.php...0&start=20#
Try the stuff from netkas's site (here) first though if you are at 10.5.7

btw, x-labs isn't the place to ask for support, you want to go here:
http://www.insanelymac.com/forum/index.php?showforum=174