[Stonecutter]

There is a way they could still do it.

have the hdd go into the other serial port, and go directly below the cube.

Then have the hdd have a pass through port in it, and have the GBP go under the harddrive.

so it would be

Cube
^bba into serial 1 ^HDD into high speed and serial 2
^GBP into hdd.