16 headswitch: 0 # microseconds
17 track-to-track seek: 0 # microseconds
21 # size offset fstype [fsize bsize cpg/sgs]
22 a: 14336 2048 4.2BSD 1024 8192 0 # (Cyl. 2 - 63)
23 c: 16384 0 4.2BSD 1024 8192 32 # (Cyl. 0 - 63)
24 d: 2048 0 boot # (Cyl. 0 - 1)