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Subject:
Re: ATA66 Drive
From:
Bob Wright <[log in to unmask]>
Reply To:
PCBUILD - Personal Computer Hardware discussion List <[log in to unmask]>
Date:
Mon, 6 Dec 1999 15:51:21 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (23 lines) 
At 07:06 AM 12/06/1999 , you wrote:
>I have just received a 13.5GB IBM  ATA66 drive.  I have been thinking
>that I can install it using regular IDE cables.

UDMA66 specification requires a UDMA controller and a
UDMA66 data ribbon cable, (40pin/80connector): see:
    http://nospin.com/pc/ts013.html   for more details.

The hard drive is backwardly compatible and will run as a UDMA33
drive or in PIO4 or lower mode depending on the controller and
motherboard.  In other words, the drive will work as an IDE device
and transfer data as fast as the least compatible item involved in
the hardware connection.

I hope this explains it.

    Bob Wright
The NOSPIN Group

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