Windows 7 EFI and FreeBSD 9

Hello -

I'm struggling to get a dual boot setup going. I've installed Windows 7 on its own disk. Windows 7 boots via EFI.

I then installed FreeBSD 9, also on its own disk. I created a GPT partition for this install.

To handle the dual boot, I'm using grub2. The grub2 bootloader is currently installed on a flash drive util I can be sure everything works.

I boot from the flash drive, and can load FreeBSD ok via the normal grub commands. I cannot, however, start windows. After scouring the internet for a while, I've found the commands should look something like:

Code:

insmod ntfs
 chainloader (hd1,1)/efi/microsoft/boot/bootmgfw.efi

When I do this, however, the chainloader command returns the error: "invalid signature". Is this because grub2 isn't loading via EFI as well?

What's the best way to dual boot Windows 7 and FreeBSD using GPT and EFI?

Thanks!
Andrew

Source: http://forums.freebsd.org/showthread.php?t=33361&goto=newpost

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