# biosexternal - BIOS external boot loaders (USB, eSATA, etc.)
# cd - BIOS optical-disc boot loaders
# manual - use stanzas later in this configuration file
-# Default is internal,external,optical,manual
+# Note that the legacy BIOS options require firmware support, which is
+# not present on all computers.
+# On UEFI PCs, default is internal,external,optical,manual
+# On Macs, default is internal,hdbios,external,biosexternal,optical,cd,manual
#
#scanfor internal,external,optical,manual