@o_lampe Thanks, that was it. D0.4 and D0.5 were both being interpreted as D0; changing to D0 and D1 fixed it.
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Best posts made by seventhwhiskey
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RE: Commands to either driver 4 or drive 5 only control driver 4
@o_lampe Thanks, that was it. D0.4 and D0.5 were both being interpreted as D0; changing to D0 and D1 fixed it.