Define the 16 kB memory window within the CPU address space to be used for
silicon disk access.
Memory Base
Select LC display bootup value for contrast. As visual feedback, the new value will
be programmed immediately.
Contrast value
Select LC display boohup value for brightness. As visual feedback, the new value
will be programmed immediately.
Brightness value
D000h/D400h/D800h/
DC00h/CC00h
0 - 255
0 - 255