Trying to run FreeBSD from USB2 Mobile Disk

[Richard Styrman]

I'm trying to run FreeBSD from usb and i've run into some problems with 
booting it, I havn't found a bootloader able to boot usb, so I use an cdrom 
and i am able to chroot into the usb,

however here's my problem, when I chroot i only get acces with one terminal, 
what I want todo
is like "boot" into the usb, so I basicly ditch the old system (cd), atleast 
to the point that I
get ../usb/etc/ttys to be drawn.. and all the virtual terminals gets 
displayed properly

any suggestions?
or even better, would someone know a bootloader that supports FreeBSD / usb?

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