17 Jan
2011
17 Jan
'11
7:05 p.m.
[SA4000]
I believe it was the first HDD of any sort to use a
floppy disk type of
interface. It was followed by the SA1000 interface, which in turn became
You might well be right there. All the older hard disks I've come across
did have soem kind of parallel bus to specify the cylinder to seek to,
rather than a ntep input.
the ubiquitous industry standard ST506 interface.
Since it was first, it is
not surprising that it had problems, many of which it inherited from the
Shugart floppy interfaces it was trying to resemble so as to reduce design
in times.
Hmm... The problem w as known about and documented, and by that point
digital design was well enough understood to know how to avoid it. I
guess it wasn;'t regarded a a big enough problem to worry about,
especially since if you dit waht hte OEM manual told you, the drive
worked properly.
-tony