Replacements for ST-406/ST-512 drives

From: Tom Jennings <>
Date: Tue Feb 8 00:12:39 2005

On Mon, 7 Feb 2005, Eric Smith wrote:

> At the ST506/ST412 interface, the signals are solidly digital. It's
> only in the time domain that they are continuous.


> If you were to build your drive emulator for "the other end of the
> adapter", as you put it, it would be host-specific. A drive emulator
> that plugged into ISA bus wouldn't be much use on a MicroVAX.

I guess I must be thinking of some other system; I remember on
various Multibuss boxen, and some CP/M hard disk systems, there
was a "standard" formatter/controller that had the same
form-factor as the 5.25" HD, even mounting with little standoffs,
and cabled closely to the drive; the other end of the controller I
thought was some 'standard' interface (George Morrow quote on the
tip of my tongue though) and via longer cable went to the buss
adapter that plugged in a slot. Can't recall the manufactuerer of
that 'standard' controller. YOu know how memory goes...
Received on Tue Feb 08 2005 - 00:12:39 GMT

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