Prusa i3 mandel

I have a question.... I'm rebuilding my old i3 mandel printer and would like to know if and where I can find the new 20x20 rail pattern for the Z axis to print I've seen it once and be darn if I can find it again... also on the new MKS Gen v1.4 3D Printer Controller Board where do i find how to use a single cable display cord or is that possible? i have a display screen but it only use a single cable not the to. thank you for any and all your help.

" i have a display screen but it only use a single cable "

You need to identify the type of display. Some Are SPI, some are I2c wiith various chips
Are there any labels?
Is it s 20x4 char display or a 128x64 pixel display?
Does it have an encoder or buttons?
Any extras, buzzers, reset buttons?
Any chips with number on them you can read?

Images also might help.