As I replied in 1:1, the 33C93A is mostly mapped directly back to the DPRC - almost every Series II card will be wired the same.
I'm on a work trip for the next 2 weeks, but I can try to trace out the suspect pins against another A500-HD8 I have. Even someone with an A2000-HC8 can do the same for a few pins with a continuity meter. Post the suspect pins. Pin 1 on the surface mount 33C93A is designated by the dot in the center of the top side above the part identification text.
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