For those searching for a low-cost system/motherboard for experimenting with Coreboot, there's another new AMD motherboard that now works with Coreboot's upstream Git code. The board costs only about $30 USD and works with all modern AMD AM1 processors...
April 10, 2015
Coreboot Ported To A ~$30 AMD AM1 Motherboard
Read more at Phoronix