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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@Drumhellar
by deathshadow on Sat 3rd Sep 2005 11:41 UTC
deathshadow
Member since:
2005-07-12

>> 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.

Try it sometime... Legacy ATA support in SATA chipsets was one of the FIRST things vendors realized they could save money by cutting that corner. Hell, the linux kernel crashes with the wonderful "AIEE!!!" error on pre SATA kernels, and on some builds of the ones that are SUPPOSED to support it... Have yet to see a nForce4 board pull it off successfully, including the much vaunted ASUS A8N SLI chokes in that department... Even the Linux support isn't a 'complete' implementation on most chipsets, falling back to the older 'fakeraid' instead of the newer 'dmraid'.

Also:
>>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.

and you've apparantly never seen the inside of a SATA connector - all those pins make contact en-mass... There are no "First wires to make contact", if they wanted that route, they should have put it in a nice stable metal hood (like say, a good old 9 pin din) instead of the rinky little piece of crap they did end up with.

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