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upgrade MB on X5S

Posted: Thu Dec 06, 2018 12:02 am
by don44039
trying to get mother board to work on my X5S
this MB
BIQU KFB3.0 3D Control Board +LCD 12864 Module Display Monitor Motherboard + A4988 Stepstick Stepper Motor Driver Module need info on which of the boards to select in marlin none of the ones i have tried will power up the steppers have tried 40 43 405 53
board take flash and repier host connects to it but steppers do not power up
thanks don