>Eric Smith wrote:
>There's SDI protocol documentation?
You know, after I wrote that I realized that I was wrong about SDI. I've
seen some electrical specs, but not the protocol.
Bob
On Tue, Jun 5, 2018 at 12:53 PM, Robert Armstrong via cctalk <
cctalk@classiccmp.org> wrote:
> AFAIK the LESI ("Low End Storage Interconnect") protocol is not
> documented anywhere, unlike SDI or MASSBUS which are. If it is, I've never
> found it. I have several UNIBUS KLESI boards and I've
On 06/05/2018 02:53 PM, Robert Armstrong via cctalk wrote:
>I too have heard that RC25s and PDP-11s were used in nuclear subs for some
> kind of sonar thingie. I've no idea how that worked, except that maybe DEC
> gave all the good drives to the Navy and the rest of us got the crappy
I too have heard that RC25s and PDP-11s were used in nuclear subs for some
kind of sonar thingie. I've no idea how that worked, except that maybe DEC
gave all the good drives to the Navy and the rest of us got the crappy ones.
They worked as long as you didn't spin them down or try to
On Tue, Jun 5, 2018 at 2:53 PM, Robert Armstrong wrote:
> I too have heard that RC25s and PDP-11s were used in nuclear subs for some
> kind of sonar thingie. I've no idea how that worked, except that maybe DEC
> gave all the good drives to the Navy and the rest of us got the crappy ones.
On 06/05/2018 01:08 PM, Ethan Dicks via cctalk wrote:
> On Mon, Jun 4, 2018 at 5:13 PM, Paul Koning via cctalk
> wrote:
>>> On Jun 4, 2018, at 1:17 PM, Robert Armstrong via cctalk
>>> wrote:
>>>
>>> ... FWIW, I have a 725 complete and working. Well, except for the RC25,
>>> which never
On Tue, Jun 5, 2018 at 1:19 PM, Noel Chiappa via cctalk
wrote:
> > From: Ethan Dicks
>
> > Mostly, what I need is affordable ($250 or less) Unibus storage with
> > modern media
>
> There's this:
>
> http://www.retrocmp.com/projects/unibone
I would totally buy this. I have some NOS
> From: Ethan Dicks
> Mostly, what I need is affordable ($250 or less) Unibus storage with
> modern media
There's this:
http://www.retrocmp.com/projects/unibone
Not quite there yet, but getting there.
Noel
On Mon, Jun 4, 2018 at 5:13 PM, Paul Koning via cctalk
wrote:
>> On Jun 4, 2018, at 1:17 PM, Robert Armstrong via cctalk
>> wrote:
>>
>> ... FWIW, I have a 725 complete and working. Well, except for the RC25,
>> which never worked even when they were new.
I had an 11/725 in the 80s and 90s
