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There was a time when primary/secondary cables were often different. Back when ultra ATA 33+MB/s was new, people still used the older 40-wire cables for the CD on the secondary channel. Didn't matter with CD speeds. It's unusual these days, and annoying. Not having pin 34 grounded (as with an 80wire cable) means modes 3 or better can't work on that channel. The drives will work, but they'll never go faster than mode 2.
On some early Ultra boards that didn't always provide UltraDMA on both channels, 40wire cables are fine for the slow channel. Won't make a difference. Of course, if you're still running one of these boards you probably aren't too concerned about speed.
I yank the things whenever I find them.
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There are a vast number of people who are uninformed and heavily propagandized, but fundamentally decent. The propaganda that inundates them is effective when unchallenged, but much of it goes only skin deep. If they can be brought to raise questions and apply their decent instincts and basic intelligence, many people quickly escape the confines of the doctrinal system and are willing to do something to help others who are really suffering and oppressed." -Manufacturing Consent: Noam Chomsky and the Media, p. 195
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