fdisk: 1> p
Disk: /dev/disk0 geometry: 19457/255/63 [312581808 sectors]
Offset: 0 Signature: 0xAA55
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: EE 1023 254 63 - 1023 254 63 [ 1 - 409639] <Unknown ID>
2: AF 1023 254 63 - 1023 254 63 [ 409640 - 222656256] HFS+
3: 0B 1023 254 63 - 1023 254 63 [ 223328256 - 89251840] Win95 FAT-32
4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
fdisk: 1> setpid 3
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
3: 0B 1023 254 63 - 1023 254 63 [ 223328256 - 89251840] Win95 FAT-32
Partition id ('0' to disable) [0 - FF]: [B] (? for help) 07
fdisk:*1> flag 3
Partition 3 marked active.
fdisk:*1> p
Disk: /dev/disk0 geometry: 19457/255/63 [312581808 sectors]
Offset: 0 Signature: 0xAA55
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: EE 1023 254 63 - 1023 254 63 [ 1 - 409639] <Unknown ID>
2: AF 1023 254 63 - 1023 254 63 [ 409640 - 222656256] HFS+
*3: 07 1023 254 63 - 1023 254 63 [ 223328256 - 89251840] HPFS/QNX/AUX
4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
fdisk:*1> w
Device could not be accessed exclusively.
A reboot will be needed for changes to take effect. OK? [n] y
Writing MBR at offset 0.
fdisk: 1>