> Are those 80-ribbon cables by themselves marked/keyed in any way?
Yes -- as I understand it, a wire is cut.
This is why ATA-66 cables are `directional' if the middle connector is used.
(many have blue for the Motherboard, grey in the midle, and black at the end).
See http://www.quantum.com/src/whitepapers/wp_ultraata66.htm
This detection is achieved by having a break in one of the lines on the
80-conductor cable that is normally an unbroken connection in the existing
cable. It is this break that is detected and the system BIOS can instruct
the drive to run at the correct speed for the cable type detected.
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This archive was generated by hypermail 2b29 : Mon Jul 31 2000 - 21:00:16 EST