Today I have removed all USB, LAN, power and other connections were the PCs and other stuff was attached.
It took around 3 hours to get those untangeld. I sorted the cables and put them into a storage.
Some annunciator had to be disconnected from the LED cards because they were directly wired, such as the front panels from the MIP.
The next step will be to disassemble the whole MIP, this is scheduled for friday.