CpuBoard Modifications drthom list 19 July 2018 Remove Q6 Q5 R135 R134 Add connection: U31 pin 7 to D15 - Anode ( EXT_RESET_N ) Swap A3 pins 13 and 14 ( Rx and Tx lines into GNSS-5-CLICK ) Add 22 AWG wire from U31 pin 1 to positive junction of C159 and C160 Add 1uF 0603 Caps in parallel with C159, C160, C156, C155 Add 100uF Cap in parallel with C50 Add 100uF Cap in parallel with C200 R26 is now 909k 0603 1% R28 is now 274k 0603 1% R21 is now 237k 0603 1% Add 0.1uF 0603 caps in parallel with R24