Double Buffer RK11-C

[Noel Chiappa]

    > Check out the module utilization chart .. On a stock RK11-C, slots 1-8,
    > rows C-D (the bottom two rows) are empty. ... (I'll be documenting the
    > added Flip Chips in the Double-Buffered variant 'soon'.)

I've added a module chart for the double-buffered variant here:

  http://gunkies.org/wiki/RK11-C_disk_controller

I'm working on the prints now. (Any idea what I should call this thing?
There's already an "RK11-C_Engineering_Drawings".)

	Noel