[oopic] Wrong IOpack for Stepper Motor?

Hi guys, i am using the 3 way header intended normally for servo to
drive one of my external driver for my stepper motor, for the i/o 8-15
rows... my first IOpack which is 1 in the oopic compiler works
perfectly fine but when i specified the iopack to be 5 (which is
suppose to be from I/O 12-15.) The logic doesnt come out? Using a
multimeter i tested the ports for port 8-11 it is changing, but for 12-
15 its not. Did i specify the wrong IOpack?

Minghui

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