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Date: Sun, 4 Jan 2015 18:32:46 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: Christian Baer <christian.baer@uni-dortmund.de>
Subject: Re: FreeBSD multiboot / was: FreeBSD with Win7 and UEFI
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On Sun, 4 Jan 2015, Christian Baer wrote:

> This time, I installed Windows first and FreeBSD after that. I did not find
> any option during the installation of the latter to install/setup a boot
> loader that allows me to choose the OS I wish to use. The result is that the
> Computer now only boots FreeBSD - which is fine with me until I want to do
> some gaming. :-)

Is the disk partitioned as MBR or GPT?  Actually, I don't know if 
Windows 7 can do GPT without UEFI.

If it is MBR, FreeBSD's boot0cfg can be used to install the boot0 
loader.  If it is GPT, I have managed to use Grub to multiboot, but not 
with Windows: https://forums.freebsd.org/threads/gpt-multiboot.49055/