The isohybrid utility modifies an ISO 9660 image generated with mkisofs, genisoimage, or compatible utilities, to be bootable as a CD-ROM or as a hard disk.
-h <X>\fN
Number of geometry heads (default 64)
-s <X>
Number of geometry sectors (default 32)
-e <X>, --entry <X> Specify parititon entry number (1-4)
-o <X>, --offset <X>
Specify partition offset (default 0)
-t <X>, --type <X>
Specify partition type (default 0x17)
-i <X>, --id <X>
Specify MBR ID (default random)
-u, --uefi Build EFI bootable image
-m, --mac Add Apple File Protocol partition table support
--forcehd0 Assume we are laoded as disk ID 0
--ctrlhd0 Assume disk ID 0 if the Ctrl key is pressed
--partok Allow booting from within a partition
-?, --help Display help
-v, --verbose Display verbose output
-V, --version Display version information
mkisofs(1)