There were 4 polls in blaket and were same as the mainboard, so there were 4P4=4x3x2x1=24 patterns of connection. I connected the poll directly to the mainboard and turn on....it was a sensitive work.
Each work required 5 minites , so they were planned to be able to finish within 2hours....but I got tired to check the pattern of connection so I spent a whole day for it.....and I couldn't find the right one...
Also, I lost the poll-cover.