# /dev/ad4s1:
type: unknown
disk: amnesiac
label: 
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 15
sectors/cylinder: 945
cylinders: 516821
sectors/unit: 488396727
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0		# milliseconds
track-to-track seek: 0	# milliseconds
drivedata: 0 

16 partitions:
#          size     offset    fstype   
  a:    2096871        281    4.2BSD	#    1023.863M
  b:  488396711         16     vinum	#  238474.957M
  c:  488396727          0    unused	#  238474.964M
  d:    4194304  339738624      swap	#    2048.000M