14 Oct
2012
14 Oct
'12
12:48 p.m.
From: "Ethan Dicks" <ethan.dicks at gmail.com>
Sent: Sunday, October 14, 2012 7:58 PM
To: "General Discussion: On-Topic and Off-Topic Posts"
<cctalk at classiccmp.org>
Subject: Re: unibus to modern disk interface?
On Sun, Oct 14, 2012 at 1:42 PM, js at cimmeri.com
<js at cimmeri.com> wrote:
There are plenty of simple boards and they all have the bus driver /
receiver
chips on them. Why not try to de-solder the chips from one of those boards?
After de-soldering you can do a test to see whether all ports are still OK.
Or is there a flaw in this reasoning?
- Henk, PA8PDP
What makes IDE to Qbus or Unibus interfacing so
difficult? There must be
reasons, otherwise it would have been done by now.
Oddball bus interface chips on the hardware side, and either
completely emulating an existing DEC (or 3rd party) controller's
registers and functionality or creating a new controller and being
prepared to write drivers for every DEC OS known to man.
-ethan