So Dave Bridgham and I are continuing to make (slow) progress with the QSIC
and indicator panel project; the latest step was to find some LEDs which look
much more like the original lights:
http://pdp10.froghouse.org/qsic/new-led.jpg
So now I'm trying to make up a prototype 'light shield' (the
The 820 is spoken for. Let's see what I find next.
bill
On 11/23/2017 06:39 AM, Noel Chiappa via cctalk wrote:
So now I'm trying to make up a prototype 'light shield' (the flat board with
all the holes drilled in it); the parts list in the drawings (RF11 engineering
drawings, pg. 187) just calls it a 'Benelex', which is the name for the
material it w
On 22 November 2017 at 11:25, Peter Corlett via cctalk
wrote:
> On Tue, Nov 21, 2017 at 08:15:00PM +0100, Liam Proven via cctalk wrote:
> [...]
>> A file-based virus could escape _if_ the VM had access to the host
>> filesystem. But mine don't, partly because it's moderately hard, partly
>> becaus
Hi folks,
A random facebook post made me dig out my model 4P which has never worked as
long as I’ve owned it, it’s always just sat on a shelf looking cute.
Good old ASTEC PSU problem so I fixed that, reseated all the thankfully
socketed chips and it burst into life. Sort of. I know it’s runnin
On Thu, Nov 23, 2017 at 06:53:18PM +0100, Liam Proven via cctalk wrote:
[...]
> But only someone who thinks that Emacs or Vi are usable editors could
> think this was an appealing virtualisation solution.
Oh my, I know you are not offensive and I think flame over editors is
really stupid thing to
> From: Liam Proven
> TCP/IP basically postdates the MS-DOS era, in PC terms, and it's Bloaty
> McBloatface.
This must be a uSloth TCP/IP you are speaking of. There's the one from FTP
software which was based on the one done at MIT which was freeware. That one
was definitely DOS-era -
> From: Eric Christopherson
> I have an inside scoop that a certain library is about to get rid of
> their 2003 printing (which is apparently 1st edition)
ABE seems to have copies for around US$10:
https://www.abebooks.com/servlet/SearchResults?bi=0&bx=on&cm_sp=SearchF-_-Advtab1-_
On 11/23/17 21:28, Noel Chiappa via cctalk wrote:
> From: Liam Proven
> TCP/IP basically postdates the MS-DOS era, in PC terms, and it's Bloaty
> McBloatface.
This must be a uSloth TCP/IP you are speaking of. There's the one from FTP
software which was based on the one done at MI
On 11/23/2017 11:34 AM, Adrian Graham via cctalk wrote:
> None of the pots on the video board deal with contrast so I’ve got it out on
> the bench to remove and test the capacitors. What else can I look at at the
> same time? Someone else has already mentioned the transistors Q101, Q102 and
> Q
On 2017-Nov-23, at 11:34 AM, Adrian Graham via cctalk wrote:
> Hi folks,
>
> A random facebook post made me dig out my model 4P which has never worked as
> long as I’ve owned it, it’s always just sat on a shelf looking cute.
>
> Good old ASTEC PSU problem so I fixed that, reseated all the thank
On 23 November 2017 at 21:01, Tomasz Rola wrote:
> On Thu, Nov 23, 2017 at 06:53:18PM +0100, Liam Proven via cctalk wrote:
> [...]
>> But only someone who thinks that Emacs or Vi are usable editors could
>> think this was an appealing virtualisation solution.
>
> Oh my, I know you are not offensiv
On 23 November 2017 at 21:28, Noel Chiappa via cctalk
wrote:
>
> This must be a uSloth TCP/IP you are speaking of. There's the one from FTP
> software which was based on the one done at MIT which was freeware. That one
> was definitely DOS-era - it ran on DOS 1 and DOS 2. I think I have the MIT
>
On 23 November 2017 at 21:31, Christian Groessler via cctalk
wrote:
>
> When your are talking about editors and DOS, the only answer is BRIEF!
Now that I _have_ heard of, yes. Never used it, though. Never really
was a programmer. The tiny bit of coding I did on the PC was in the
built-in editor o
Free for shipping from 95006, a stack of original IBM documents for the
S/360 including Field Engineering Manuals and Systems Reference Library
documents plus others - dumpster rescues from an engineer's estate. All
have been hi res scanned.
Titles from the IBM Systems Reference Library as we
* On Tue, Nov 21, 2017 at 08:03:30PM -0800, Seth Morabito via cctalk
wrote:
> Hi folks,
>
> I can't seem to find the "Networking Support Utilities" package for
> the 3B2 anywhere online. Unfortunately, this package is required in
> order to install TCP/IP (which I DO have)
Replying to myself he
On 11/23/2017 4:28 PM, steve shumaker via cctalk wrote:
Free for shipping from 95006, a stack of original IBM documents for
the S/360 including Field Engineering Manuals and Systems Reference
Library documents plus others - dumpster rescues from an engineer's
estate. All have been hi res scann
I have managed to get 2 PC type drives working in a 9122C they are two
different versions of the YE Data YD-702D. The important thing is the
drive needs to provide a ready signal, diskette change and density.
Most drives provide the last two but do not have a ready signal. You
also need to l
On 11/23/2017 07:02 PM, Paul Berger via cctalk wrote:
> I have managed to get 2 PC type drives working in a 9122C they are two
> different versions of the YE Data YD-702D. The important thing is the
> drive needs to provide a ready signal, diskette change and density.
> Most drives provide the la
On 11/22/2017 08:51 PM, william degnan via cctech wrote:
> On Nov 22, 2017 8:17 PM, "Pete Lancashire via cctech"
> wrote:
>> Wow that brings back some memories. There was about 10 of us who got
>> together and I can't remember how or who got 10 of them. I think mine is
>> still in storage somewher
On 11/21/2017 10:51 AM, Bill Gunshannon via cctech wrote:
> Any interest in a Xerox 820 board that never had it's construction completed?
>
> It's amazing the stuff I find digging through my boxes of junk.
>
> bill
Bill,
I'm likely one of the few around that can populate it with period parts.
Very
Wow that brings back some memories. There was about 10 of us who got
together and I can't remember how or who got 10 of them. I think mine is
still in storage somewhere.
On Wed, Nov 22, 2017 at 4:54 PM, allison via cctech
wrote:
> On 11/21/2017 10:51 AM, Bill Gunshannon via cctech wrote:
> > A
Hi all,
I was given an MTI MXV21 controller which is apparently compatible with
the RX02 drive. The card has a 50 pin header, but the RX02 drive has a
40 pin ribbon cable. Does anyone know what am I missing here?
I don't see anything about this in the manual:
http://bitsavers.informatik.uni-stut
Hi Alan
> What are you talking about?
>
> https://www.digikey.com/product-detail/en/maxim-integrated/DS12885/DS12885-ND/1196867
Thank you for your input, however a DS12885 is not a DS1285 (and neither
a DS12887/A is a DS1287/A), and I did explain why I only consider an exact
replacement suita
Never mind. The manual is not particularly clear. It is for a Shugart
drive, which can read/write to RX02 floppies, but does not work with an
RX02 drive.
Ah well!
Thanks,
Aaron.
Aaron Jackson writes:
> Hi all,
>
> I was given an MTI MXV21 controller which is apparently compatible with
> the RX
> On 23 Nov 2017, at 21:18, Brent Hilpert via cctalk
> wrote:
>
> On 2017-Nov-23, at 11:34 AM, Adrian Graham via cctalk wrote:
>> Hi folks,
>>
>> A random facebook post made me dig out my model 4P which has never worked as
>> long as I’ve owned it, it’s always just sat on a shelf looking cute
> On 23 Nov 2017, at 20:43, Chuck Guzis via cctalk
> wrote:
>
> On 11/23/2017 11:34 AM, Adrian Graham via cctalk wrote:
>
>> None of the pots on the video board deal with contrast so I’ve got it out on
>> the bench to remove and test the capacitors. What else can I look at at the
>> same tim
On Nov 22, 2017 8:17 PM, "Pete Lancashire via cctech"
wrote:
>
> Wow that brings back some memories. There was about 10 of us who got
> together and I can't remember how or who got 10 of them. I think mine is
> still in storage somewhere.
>
>
>
> On Wed, Nov 22, 2017 at 4:54 PM, allison via cctech
>
>
> > I have an 820-II but I also have a lot of 820 1/4 un software diskettes
> > (but no 5 1/4" drive. I can image and upload my disks if you'd like. I
> > have about 50 or so disks, various software.
> >
> > My 820-11 was new-old -stock when I got it whatever years ago, still have
> > the or
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