The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]
RichA at livingcomputers.org
Thu Oct 5 13:39:44 CDT 2017
From: Chuck Guzis
Sent: Wednesday, October 04, 2017 1:46 PM
> As an aside, I picked up a 1986 Wren II full-height manual that discussed the
> drive and its various interfaces. Sadly, IDE isn't one, but SCSI is referred
> to as "SASI Subset"; i.e. "SCSI (SASI subset)"
I believe that you're reading that backwards. What it says is that this is a
SCSI-compatible device which employs only the SASI subset of SCSI commands, not
that "SCSI" is a subset of "SASI".
> That concurs with my observation that SCSI was initially an Apple convention.
> I can recall conversations about SASI vs. Apple SCSI.
And like Fred, I don't believe that it does any such thing.
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