It's a good thing, because it allows for running FreeBSD 4 binaries.
Requested-by: vsrinivas
options CD9660 #ISO 9660 Filesystem
options PROCFS #Process filesystem
#options COMPAT_43 #Compatible with BSD 4.3
-#options COMPAT_DF12 #Compatible with DragonFly 1.2 and earlier
+options COMPAT_DF12 #Compatible with DragonFly up to 1.2
options SCSI_DELAY=5000 #Delay (in ms) before probing SCSI
options DEVICE_POLLING # Support mixed interrupt-polling
# handling of network device drivers