fglrx (AMD proprietary driver) on Debian Wheezy on Athlon 5350 with AM1H-ITX

The open source radeon driver works fine, but if for some reason you want to install the proprietary driver the Wheezy default will not recognize the integrated graphics AMD Radeon HD 8400. Fortunately the version in wheezy-backports does.

Add this line to /etc/apt/sources.list:

deb http://ftp.debian.org/debian wheezy-backports main contrib non-free


then

apt-get update

apt-get install -t wheezy-backports fglrx-driver fglrx-control

aticonfig --initial

reboot

Yes, the reboot is required, the open source radeon driver needs to be blacklisted and the package fglrx-driver apparently does that for you.