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Using cable select increases drive performance??

I've never heard of that. Why the heck would that make any difference? Significant performance increase? doesn't make sense
 
The only thing I can think of is that Cable Select requires one of the better-grounded 80-conductor cables -- which are *also* required for speeds above ATA33. Switching to a high-speed cable AND turning on cable select would certainly improve performance with a pair of newer ATA66+ drives -- but not because of cable select mode.
 
It's news to me as well. However - I have used C/S for the past 7-8 years - not because of speed, but because of the ease of connection changes, etc. using mobile racks with different drives, and now with my Romtec drive select system. It requires C/S.
 
I don't think that is correct. I noticed a couple of other things on that page that I think are wrong.
For instance "HD tach only supports 98 if unregistered", wrong, at least not anymore.
"ATA controllers default to the lowest speed device on a channel",wrong- maybe six years ago before independent timing.
Also, to Matthias99, you do not need a 80 wire cable to utilize cable select. Besides needing a motherboard that supports it you only need to check that wire no 28 on a 40 wire cable between the master and slave connectors is an open circuit. Usually a small hole is punched to create the open circuit. Or you can do it yourself. The down side is if you use a 40 wire on 2k or XP and start get more than six errors you are going to loose your DMA.

 
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