******* Working on device /dev/ad0 *******
parameters extracted from device are:
cylinders=4846 heads=256 sectors/track=63 (16128 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=4846 heads=256 sectors/track=63 (16128 blks/cyl)

Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 7,(OS/2 HPFS, NTFS, QNX-2 (16 bit) or Advanced UNIX)
    start 63, size 10493217 (5123 Meg), flag 0
	beg: cyl 0/ head 1/ sector 1;
	end: cyl 653/ head 44/ sector 63
The data for partition 2 is:
sysid 12,(DOS or Windows 95 with 32 bit FAT, LBA)
    start 10493280, size 52436160 (25603 Meg), flag 0
	beg: cyl 653/ head 45/ sector 1;
	end: cyl 1023/ head 44/ sector 63
The data for partition 3 is:
sysid 165,(DragonFly/FreeBSD/NetBSD/386BSD)
    start 62929440, size 15226785 (7434 Meg), flag 80 (active)
	beg: cyl 1023/ head 255/ sector 63;
	end: cyl 1023/ head 255/ sector 63
The data for partition 4 is:
<UNUSED>
# /dev/ad0s3:
type: unknown
disk: amnesiac
label: fictitious
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 128
sectors/cylinder: 8064
cylinders: 1888
sectors/unit: 15226785
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:    1048576          0    4.2BSD	#     512.000MB
  b:    1048576    1048576      swap	#     512.000MB
  c:   15226785          0    unused	#    7434.954MB
  d:   13129633    2097152    4.2BSD	#    6410.954MB
# Device		Mountpoint	FStype	Options		Dump	Pass#
/dev/ad0s3a		/		ufs	rw		1	1
/dev/ad0s3b		none		swap	sw		0	0
/dev/ad0s3d		/hammer		hammer	rw		0	0
proc			/proc		procfs	rw		0	0