Linked by Andrew Youll on Wed 31st Aug 2005 15:54 UTC, submitted by Chris Bergeron
Hardware, Embedded Systems Over the past few years SATA has become a standard interface on hard drives and is starting to show up in many peripheral devices. Today we're taking a look at two similar hard drives to see if there's a performance difference between SATA and the older Parallel IDE standard.
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True benefits of SATA
by Drumhellar on Fri 2nd Sep 2005 10:23 UTC
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SATA is register-compatible with PATA, so SATA controllers can be presented as old-style drives. If you have SATA ports on your board, you can install XP without the proper drivers. or Linux. Or DOS.

For the manufacturing side, there are much fewer wires to route. 7 wires is much easier to route than 40.

For cramped cases, SATA cables are sooo much easier to hook up. Also, they only fit on one way, so no putting the cable on incorrectly because your ribbon cable isn't keyed and you don't know the red wire goes near the power connector. SATA also allows longer cable lengths, which is nice for those who need it.

Also, on the SATA connector, the first wires to make contact are the ground wires, which is VERY important for reliable and safe hot-plugging. Of course, your controller still needs to support it.

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