The steps to install dual-boot system with Mac OS and Solaris OS:
1. Using "diskutil" command provided by Mac OS to create Windows partition.
2. In the MBR partition table, change Mac OS EFI Partition ID 'EE' to 'AF' so that Solaris can be recognized.
3. Reboot system and boot from SXDE DVD, then Solaris can be installed without problem.