Bricked DP8000?

Hello. I'm trying to get a DP8000 to connect to a HOG 3. I've tried everything i can find of info on the web but no luck so far.
When I power on the unit, the display quickly shows the logo and: "I/O FW v4.00 Ready". The buttons left and right scrolls the logo and text up and down, while the center button resets the position.
I do manage to get it in to boot mode:

www.highend.com/pub/support/controllers/documents/Software_Reload_Guide.pdf

But nothing happens...

Also tried the USB boot. No luck there either... Any tips are much appreciated! ;-)
Just need to know if it's me or the unit that's faulty... ;-)