This solution is outdated. Use EasyBCD instead. Macintel Articles @ NeoSmart: Windows XP on Mac? XP-Macintel Hardware Hacks Hacking XP to Support EFI Free Macintels! The Problems Macintosh uses a different MBR MacBooks use EFI, XP x86 uses BIOS The modified Darwin Bootloader is made for EFI w/ EFI supporting operating systems OK… So step by step. Where is the BIOS used? For what? How? The OS sends