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Udma? Whats The Difference?


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#1 sparkyuiop

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Posted 20 July 2007 - 01:52 PM

Hi, can anyone tell me the advantage to using an 80 pin IDE cable with UDMA switched on than a 40 pin with UDMA off please. Thanks for help in advance.
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#2 oldf@rt

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Posted 20 July 2007 - 05:01 PM

Faster data transfer.
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#3 usasma

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Posted 21 July 2007 - 07:12 AM

The 80 pin cable doesn't provide additional speed, but rather improves reliability and is required if you're going to use UDMA. And UDMA beats the pants off of PIO mode any day of the week!

http://www.pcguide.com/ref/hdd/if/ide/confWin-c.html
http://www.pcguide.com/ref/hdd/if/ide/modesUDMA-c.html
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