Patrick writes (desperately):

> So why doesn't it work??? The only difference that is readily apparent is
>  that the connectors on the cables we built have all 25 pins, even though
>  they aren't wired, whereas the HP cable only has the pins it actually
>  uses. But that wouldn't cause this behavior, would it? Or could it?

The missing pins would have absolutely no effect on the behavior of the
cable. The problem has to lie wholly in the wiring (or the quality of the
wiring job).

Wirt Atmar