Al Boldi wrote:
Alan Cox wrote:
Wow! I have been running 80wire cable detection override on 40wire
cables for quite some time without any problem, but I never thought it
to be legal if the 40wire cable length is short enough.
Yes.
How short does it have to be, and can't we have a kernel bootparm to
override the cable detection?
For most users the goal should be to automate behaviour. It should just
work.
What's the max length of a 40wire cable to sustain 80wire cable
characteristics?
This is normally only the case on a laptop, where the cable is
essentially just a tiny stub between the motherboard and the drive. I
suspect this is something that the system manufacturer has to validate
works properly, more than any hard and fast limit.
For a normal desktop PC, it would be far better to just use an 80-wire
cable.
--
Robert Hancock Saskatoon, SK, Canada
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