RL02->11/73 more info

From: CLASSICCMP_at_trailing-edge.com <(CLASSICCMP_at_trailing-edge.com)>
Date: Sat Apr 3 21:14:07 1999

> This I can do... electromechanically. I think I know the answer
>to the next question, but For the Record:
>
> I flesh out an 11/23, attach the RLV11/RL02s, put in one of the
>several OSes that seem to be bootable, and press the big "Go"
>button. Now....
>
> Doesn't the OS on the disk have to be made specific to the
>processing environment it is living in? Like, sysgenned for instance??

"It depends". RT-11 is pretty versatile, and not awfully picky about
being booted on a particular type of processor. (With the exception,
oh, of trying to boot RT11XM on a 11/03...!) RSX-11M and M+ will complain
if a peripheral specified in the SYSGEN isn't there in the boot process,
but generally the base OS will come up all the way. RSTS/E can be
very picky about what hardware it'll work on, but as long as you stick
to the autoconfigure rules you're OK. Many of the PDP-11 Unices can
be quite particular, especially if you're booting a non-Generic kernel.

All of the above *can* be made to break on anything except a particular
hardware configuration, but generally this takes a bit more effort.

One thing you'll have to realize is that your current hard drive controller
is emulating a RL02, and you won't be able to use it along with a "real"
RL02 unless you do a SYSGEN or otherwise (there are some shortcuts) put
a second DL:-type driver into the system. You'll also have to
set one piece of hardware and one of the drivers to different CSR's and
vectors.

-- 
 Tim Shoppa                        Email: shoppa_at_trailing-edge.com
 Trailing Edge Technology          WWW:   http://www.trailing-edge.com/
 7328 Bradley Blvd		   Voice: 301-767-5917
 Bethesda, MD, USA 20817           Fax:   301-767-5927
Received on Sat Apr 03 1999 - 21:14:07 BST

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