disk0: 74.5GB (156301488 sectors of 512 bytes)

EFI GPT partition table in sectors 1 and 156301487 of disk0:
                 Start            Size Type
1:                  40          409599 c12a7328-f81f-11d2-ba4b-00a0c93ec93b
2:              409640        90177535 Apple HFS+
3:            90849320        65452127 Microsoft Data
 BSD disklabel in sector 90849320 of disk0:
                  Start            Size Type
 a:   X        90849320        65452128 4.2BSD
 c:   X               0       156301488 unused
 i:   X               1          409639 unknown
 j:   X          409640        90177536 unknown
MBR partition table in sector 0 of disk0:
                 Start            Size A Type
0:                   1          409639   EFI GPT (0xee)
1:              409640        90177536   Apple HFS+ (0xaf)
2:            90849320        65452128 * OpenBSD (0xa6)