guys you might have a difference problem than i did but, i found out after trying to short my nand out on the pins went back and check my soldering and found on the hanna chip i bridge the point beside r4b6 point. and now my nand writes with matching nand. but i error code 0022 gpu over heating. so i can fix that. before that fix it would not read nand or come on. so check that also.:cool2: