QEMU uses the Open Hack'Ware Open Firmware Compatible BIOS available at
@url{http://perso.magic.fr/l_indien/OpenHackWare/index.htm}.
+Since version 0.9.1, QEMU uses OpenBIOS @url{http://www.openbios.org/}
+for the g3bw PowerMac machine. OpenBIOS is a free (GPL v2) portable
+firmware implementation. The goal is to implement a 100% IEEE
+1275-1994 (referred to as Open Firmware) compliant firmware.
+
@c man begin OPTIONS
The following options are specific to the PowerPC emulation: