Moto 5 chip BDM interface / "cable16/32"

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I'm looking for a P&E Micro "cable16/32" but as an interim measure,
built the DIY 5 chip BDM interface as outlined on the Moto/Freescale
site. It abjectly refuses to talk to the target 68360 board (actually a
sound mixer) despite being checked thoroughly. Does anyone know of any
incompatibilities between these downloaders (or have a "Cable16/32" for
sale).
cheers
M