Rich Alderson wrote:
> As for operating system support, the only DEC operating system which
> could put tapes and disks on the same Massbus was TOPS-20. Tops-10
> explicitly tells you in the SYSGEN process that disks and tapes must
> reside on different channels; I believe that ITS follows that sa
Gavin Scott wrote:
> We all had a love/hate relationship with Fry's, but they were an
> institution and will be missed.
Sometime after his story, Gavin moved to the Bay Area to work for my
company.
One day, I started to buy something at Fry's and they asked for my phone
number.
So, I gave th
> Date: Thu, 25 Feb 2021 12:37:25 -0800
> From: Josh Dersch via cctalk
> On Thu, Feb 25, 2021 at 12:27 PM Al Kossow via cctalk
> wrote:
>> On 2/25/21 10:43 AM, Chris Zach via cctalk wrote:
>>> Oh this is fun stuff. Is there a specification write-up anywhere on the
>>> MASSBUS overall?
>> ther
On 2/22/21 8:14 PM, Jon Elson wrote:
I have some Chabin TLC cables that have been cut from the paddle boards. I also have 4 of the SLT-style connectors sawed off of the some
paddle boards.
I managed to get some complete cables from Bob Rosenbloom so I think I'm set.
It sure would be nice if t
Just on a chance, would anybody have the paper workbook that goes with this kit?
It is a 8085 SDK board in a briefcase, power supply and tape player that was
probably part of a class they presented.
Mine works fine, including the Sony Walkman in the case, I am listening to the
10 or more trainin
On 02/25/2021 05:04 PM, jim stephens via cctalk wrote:
Sent out a request via multiple channels to you WRT a
local STL system. can you give me a call or ping back.
sent to your emails, discord and other channels.
thanks
Jim
Anything I can do for you?
Jon
On 2/25/2021 1:37 PM, Josh Dersch via cctalk wrote:
On Thu, Feb 25, 2021 at 12:27 PM Al Kossow via cctalk
wrote:
On 2/25/21 10:43 AM, Chris Zach via cctalk wrote:
Oh this is fun stuff. Is there a specification write-up anywhere on the
MASSBUS overall?
there is some documentation on bitsaver
Sent out a request via multiple channels to you WRT a local STL system.
can you give me a call or ping back.
sent to your emails, discord and other channels.
thanks
Jim
> On Feb 25, 2021, at 4:15 PM, Al Kossow via cctalk
> wrote:
>
> On 2/25/21 12:37 PM, Josh Dersch wrote:
>
>> Interesting... Is this obfuscation documented anywhere (beyond looking at
>> SIMH code?)
> Not that I know of. Thinking about it some more I think that it was the
> massbus device
On 2/25/21 12:37 PM, Josh Dersch wrote:
Interesting... Is this obfuscation documented anywhere (beyond looking at SIMH
code?)
Not that I know of. Thinking about it some more I think that it was the massbus
device addresses
behind the controllers that weren't documented
On 2/24/21 3:27 PM, Paul Koning wrote:
>
>
>> On Feb 24, 2021, at 9:08 AM, Antonio Carlini via cctalk
>> wrote:
>>
>> On 24/02/2021 03:26, Eric Smith via cctalk wrote:
>>> Does anyone have contact information for the proprietor of this site:
>>> http://www.activityclub.org/decnotes/
>>>
On Thu, Feb 25, 2021 at 12:27 PM Al Kossow via cctalk
wrote:
> On 2/25/21 10:43 AM, Chris Zach via cctalk wrote:
> > Oh this is fun stuff. Is there a specification write-up anywhere on the
> MASSBUS overall?
>
> there is some documentation on bitsavers
>
> the register descriptions were intention
On 2/25/21 10:43 AM, Chris Zach via cctalk wrote:
Oh this is fun stuff. Is there a specification write-up anywhere on the MASSBUS
overall?
there is some documentation on bitsavers
the register descriptions were intentionally obfuscated to prevent cloning
that was figured out to make SIMH work
In answer to my own question: No it does not based on a bit of review.
Looks like unique cards to the 11/70.
C
On 2/25/2021 1:43 PM, Chris Zach via cctalk wrote:
Oh this is fun stuff. Is there a specification write-up anywhere on the
MASSBUS overall?
For example I wonder if the RH70 could d
That is at least one RH11-AB in there, minus the knucklebusters of course.
On 2/25/2021 1:49 PM, Bill Degnan wrote:
On Thu, Feb 25, 2021 at 1:43 PM Chris Zach via cctalk
mailto:cctalk@classiccmp.org>> wrote:
Oh this is fun stuff. Is there a specification write-up anywhere on the
MAS
The PDP-10 KL10 at the RCS/RI was used to control a real-time flight
simulator at Sikorski. It had one of the RH20 Massbus controllers connected
to a DTR01 cabinet holding a DR01 chassis. The DR01 was, I think, connected
to a DR11 chassis that had A/D and D/A converters boards inside. You could
use
> On Feb 25, 2021, at 1:43 PM, Chris Zach via cctalk
> wrote:
>
> Oh this is fun stuff. Is there a specification write-up anywhere on the
> MASSBUS overall?
>
> For example I wonder if the RH70 could do a transfer >128kb at a time. ...
I don't know the answer to most of your questions, bu
On Thu, Feb 25, 2021 at 1:43 PM Chris Zach via cctalk
wrote:
> Oh this is fun stuff. Is there a specification write-up anywhere on the
> MASSBUS overall?
>
> For example I wonder if the RH70 could do a transfer >128kb at a time.
> Another is around the RH11: There were two models, the traditional
Oh this is fun stuff. Is there a specification write-up anywhere on the
MASSBUS overall?
For example I wonder if the RH70 could do a transfer >128kb at a time.
Another is around the RH11: There were two models, the traditional RH11
(which could only do so many words on a DMA transfer) and the
> On Feb 25, 2021, at 1:30 PM, Noel Chiappa via cctalk
> wrote:
>
>> From: Paul Koning
>
>> There's a good reason why the big disks on many DEC machines were Massbus
>> devices until MSCP arrived. It's quite clear on Unibus PDP-11s, which
>> needed Massbus both for speed and for a cleaner a
> From: Paul Koning
> There's a good reason why the big disks on many DEC machines were Massbus
> devices until MSCP arrived. It's quite clear on Unibus PDP-11s, which
> needed Massbus both for speed and for a cleaner answer to more-than-18
> bit addressing.
I follow the firs
> On Feb 25, 2021, at 2:40 AM, Eric Smith via cctalk
> wrote:
>
> On Wed, Feb 24, 2021 at 7:06 AM Chris Zach via cctalk
> wrote:
>
>> Yes, the TM02 and TM03 formatters allowed MASSBUS to connect to Pertec
>> drives, but I don't think you could run a tape drive and a disk drive on
>> the sam
Hm, just adding that my venerable SUN SPARC UII runs WEB server, ssh, web
proxy, sub-version, and is my "cloud" via rsync and of course serves email.
Over the last 7 years it got rebooted only twice, because the provider needed
to relocate it in the server farm and during one of these reboots we
On 2/25/21 2:05 AM, Peter Coghlan wrote:
> Chuck Guzis wrote:
> I don't think so. My Raspberry Pi running Linux becomes choked by memory
> leaks
> when I leave it running more than a few months. No amount of killing
> processes
> or other fiddling with the operating system tools available allo
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