On Mon, Oct 5, 2020 at 9:25 AM Chuck Guzis via cctech
wrote:
> On 10/4/20 10:51 PM, J. David Bryan via cctech wrote:
> > On Sunday, October 4, 2020 at 16:00, Chuck Guzis via cctalk wrote:
> >
> >> A 16MB tape block is impossibly large in any case.
> >
> > The HP 3000 mag tape diagnostic attempts
I have a VT525 that I couldn't turn off. I took it apart and there's
an adapter that connects the metal rod off the button on the front to
the power switch inside. The adapter has crumbled and it feels like
it was wax but it may have just been some plastic that has severely
deteriorated.
Before
On 10/5/20 2:06 PM, Warner Losh wrote:
> The other way to handle it, should we not be able to steal bits which
> should be plan A, is to have a metadata type that says 'append this to
> the prior record' which would remove the limit entirely.
There's a good idea! Instead of putting headers on an
https://elecshopper.com/en/software/242-dos-6-22-and-windows-3-1-on-3-5-inch-floppy-diskettes.html
This is the only OS I have listed right now. My computer crashed, and
after YEARS of MS, I now am learning to use Linux. Very steep curve for
me! As soon as I get photo editors and other stuff ins
On Mon, 5 Oct 2020, Cindy Croxton via cctalk wrote:
The picture referenced is for an aftermarket version of DOS. The retail
versions came in fancy white boxes with hologram logos. I can probably take a
picture of one in my warehouse, if you need it.
Do you happen to have any boxed copies of 3
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Cindy
> Croxton via cctalk
> Sent: Monday, October 05, 2020 1:50 PM
> To: Ali via cctalk
> Subject: Re: DOS Versions (Was: IBM PC-DOS 2.10 explorations
>
> The picture referenced is for an aftermarket v
The picture referenced is for an aftermarket version of DOS. The retail
versions came in fancy white boxes with hologram logos. I can probably
take a picture of one in my warehouse, if you need it.
Cindy
On 10/5/20 3:04 PM, Ali via cctalk wrote:
We need to differentiate between Retail Sales
> We need to differentiate between Retail Sales BY MICROSOFT, V
> manufacture
> and WHOLESALE sales by Microsoft to OEMs for them to retail. With a
> WIDE
> variety of different packagings, ranging from personalized to the OEM
> (Compaq, Zenith, Morrow, etc.), very generic, and even packaging that
> From: Chris Hanson
> There's an MXV11-B (M7195) on its way to me. :)
Wow, you've got a really good fairy god-mother!
I've been trying to buy one on eBait for some time now (in part to have one
to take a photo of for the CHWiki), and no luck - they always get bid up into
the sky. And he
Hello,
Ken Thompson's space exploration simulation Space Travel will now run on
the SIMH PDP-7 simulator:
http://sebras.se/space-travel-2.mp4
On 10/4/20 10:51 PM, J. David Bryan via cctech wrote:
> On Sunday, October 4, 2020 at 16:00, Chuck Guzis via cctalk wrote:
>
>> A 16MB tape block is impossibly large in any case.
>
> The HP 3000 mag tape diagnostic attempts to write a single record from BOT
> to EOT, which unfortunately fails u
The making of this computer perhaps explain why I never had someone wander in
and talk about designing or building a MOTOROLA MINICOMPUTER Ed#
On Monday, October 5, 2020 Bill Degnan via cctalk wrote:
On Mon, Oct 5, 2020 at 1:10 PM Al Kossow via cctalk
wrote:
> On 10/4/20 11:13 PM, Josh D
On Mon, Oct 5, 2020 at 1:10 PM Al Kossow via cctalk
wrote:
> On 10/4/20 11:13 PM, Josh Dersch via cctalk wrote:
>
> > Just made a minor breakthrough; a random usenet post suggested that the
> > MDP-1000 was just a rebadged General Automation SPC-12, and so it is. I
> > suspect the internals of t
On 10/4/20 11:13 PM, Josh Dersch via cctalk wrote:
Just made a minor breakthrough; a random usenet post suggested that the
MDP-1000 was just a rebadged General Automation SPC-12, and so it is. I
suspect the internals of the unit I have (which is badged as an "MDP-6650"
on the rear) are a bit di
> On Oct 5, 2020, at 11:50 AM, Jon Elson via cctalk
> wrote:
>
> On 10/04/2020 11:30 PM, Chuck Guzis via cctalk wrote:
>> The problem arose if the program either failed to keep up (e.g. competing
>> programs demanding the CPU) or if an ECS transfer occurred. Where I got
>> involved was with
On 10/04/2020 11:30 PM, Chuck Guzis via cctalk wrote:
The problem arose if the program either failed to keep up
(e.g. competing programs demanding the CPU) or if an ECS
transfer occurred. Where I got involved was with a 4-CPU
configuration sharing 4MW of ECS, using the ECS for swap
space. ECS
> On Oct 5, 2020, at 12:30 AM, Chuck Guzis via cctalk
> wrote:
>
> On 10/4/20 8:58 PM, jim stephens via cctalk wrote:
>
>> I had not seen your earlier no tape gap mentions.
>
> The old CDC 6000 SCOPE 1LT driver. Since SCOPE user programs use
> circular buffering, The PP overlay 1LT simply
On Sunday, October 4, 2020 at 16:00, Chuck Guzis via cctalk wrote:
> A 16MB tape block is impossibly large in any case.
The HP 3000 mag tape diagnostic attempts to write a single record from BOT
to EOT, which unfortunately fails under simulation due to the 16 MB
limitation. In hindsight, it w
Hi list,
i don't know who in the end made available all the documents for the
CDC/Seagate Sabre IPI and SMD disk drives, but I am very happy that they are
finally there for the public!
Thanks a lot to the document providers and Al for maintaining bitsavers!
Best regards,
Pierre
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