dragonflybsd# fdisk /dev/ad2
******* Working on device /dev/ad2 *******
parameters extracted from in-core disklabel are:
cylinders=48641 heads=255 sectors/track=63 (16065 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=48641 heads=255 sectors/track=63 (16065 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 165,(DragonFly/FreeBSD/NetBSD/386BSD)
    start 63, size 42989121 (20990 Meg), flag 80 (active)
        beg: cyl 0/ head 1/ sector 1;
        end: cyl 663/ head 15/ sector 63
The data for partition 2 is:
sysid 131,(Linux filesystem)
    start 42989940, size 160569675 (78403 Meg), flag 0
        beg: cyl 1023/ head 254/ sector 63;
        end: cyl 1023/ head 254/ sector 63
The data for partition 3 is:
sysid 131,(Linux filesystem)
    start 203559615, size 577863153 (282159 Meg), flag 0
        beg: cyl 1023/ head 0/ sector 1;
        end: cyl 1023/ head 80/ sector 63
The data for partition 4 is:
<UNUSED>
dragonflybsd#