In a message dated 8/12/02 2:08:35 PM, [EMAIL PROTECTED] writes:

<<
not pointless at all.  i believe the ata channel is only 8 bits wide ...
>>

It's 16 bits wide.

The IDE standard actually implements what was provided in Western Digital's 
WD-1003 conroller, which was the first PC/AT disk controller, circa 1984.

Since then lot has happened, as disk drives then could transfer about 250 
kilobytes/second, whereas now they can transfer about 133 to 160 
megaytes/second.

But, the command structure and the "command file" has been adapted and 
extended from the WD-1003 ... not completely replaced.

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