[attachment=0]Screen Shot 2013-08-29 at 7.56.33 PM.png[/attachment]

so does this mean they are telling a fib?

Click to expand...

Hard to say. If the panel is 6-bit, and the CLUT can use 6 of the 8 bits in the register in grayscale mode, it is possible it could display 64 shades of gray.

I don't think we'll ever know, since there are literally no search results returned for the part number of the 540 LCD.