lertsoft/GPD_WIN4

debug connector

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In the partial pseudo schematic pic for the screen flicker ic programming it shows a 30pin debug connector under the trigger. The fcc pics show it as populated tho wouldnt be surprised if that was an early dev model. I have thermal paiste and pads coming this week, and wanted to know if it was populated or if i need to order a connector for the board b4 they arive? Will need its paired connector for breakout eitherway. Also need to know its pitch as well. Of course pinout will probly be a trial and error thing. Will probly rig up a stm32 and then send data thru the usual suspects uart/i2c etc. But those board to board connectors have so many very very similiar options available. Didnt know if anyone who had opened one up had noticed if it was populated. Ive found exactly zero information on-line, nor any good pics of the mobo that show that area. I should be able to get to the bottom of it and can post back here if that seems noteworthy to anyone else but me. In a perfect world id also look at all those test points scattered around.