Quote Originally Posted by mark_s View Post

With out a data sheet its a bit confusing at first. Unsoldered = 1 and soldered = 0, its because they use pull-up resistors.

Mark
Here it goes. This is the datasheet for the SSD2119 controller, which is what this display uses. The right PS combination is on page 28.

http://www.crystalfontz.com/controllers/SSD2119.pdf