On 2017-09-28 10:03 PM, Fred Cisin via cctalk wrote:
On Thu, 28 Sep 2017, Chuck Guzis via cctalk wrote:
IDE used to be called "ATA" - "AT Attachment"; i.e. something tailored
to the PC AT (5170) 16-bit ISA bus.

For a little while, there were also available some 8 bit IDE cards and drives! I think that Compaq may have been the first customer for the Western Digital IDE "Integrated Drive Electronics"
That is the persistent story apparently Compaq was looking for a compact solution to cram into their luggables some of the first one where just a regular MFM drive with the controller grafted onto them ( had one came out of a portable II)  later the electronics became compact enough to put everything onto a single card.


What I find perplexing is the acronym "SATA" for "Serial ATA".  The name
would imply that a drive can be connected to a 5170, but I'm not aware
of any SATA adapters for the 5170 PC/AT.

It evolved, and the name persisted, in spite of no longer being applicable.
It is call SATA because it is ATA protocol over a serial link, just like SAS is SCSI over a serial link.

Paul.

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