Someone

SARs-Mac-mini:~ SAR$ diskutil list
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *160.0 GB   disk0
   1:               Windows_NTFS System Reserved         104.9 MB   disk0s1
   2:               Windows_NTFS                         86.9 GB    disk0s2
   3:                  Apple_HFS OSX                     32.2 GB    disk0s3
   4:                    OpenBSD                         40.8 GB    disk0s4



cd /usr/standalone/i386/fdisk

sudo /usr/standalone/i386/fdisk -f boot0hfs -u -y /dev/rdisk0
sudo dd if=boot1h of=/dev/rdisk0s3
sudo dd if=boot0 of=/dev/rdisk0 bs=440 count=1
sudo cp boot /

sudo /usr/standalone/i386/fdisk -e /dev/disk0
f 3
write
y
exit