So I testet a Epia CL with the Epia M file, as payload etherboot.
Output: 0
LinuxBIOS-2.0.0.0-Fallback Mon May 28 08:12:52 UTC 2007 starting... Enabling mainboard devices Enabling shadow ram vt8623 init starting
<nothing more>
The interessting thing is that the Flashrom tool dedectet a Epia M/MII Board