So now that my pdp8/L is up and running (it now has a serial port and
runs FOCAL69 quite well) I'm thinking about the next step, which is of
course more memory.
This requires a BA08 or BM8/L or something expansion box but to be
honest I have enough spare flip chips and such from the wrecked 8/
> He has a lot of Exorciser boards and manuals to scan so I will let him
> step forward when he's ready for that. But I do greatly appreciate
> getting this manual.
Nice! Looking forward to that manual dump when it does happen. I haven't done a
ton with EXORbus due to the lack of documentation...
> Excellent information Jonathan!
Glad to share! I get the impression that people often think I'm on some
ideological soapbox when I tell them not to use $flybynite_pcb but really there
are big differences in quality.
> I generally carry the s100computers and many RetroBrew board
Thank *you* f
On Wed, Jan 19, 2022, 5:00 AM Peter Corlett via cctalk <
cctalk@classiccmp.org> wrote:
> >> https://www.thisiswhyimbroke.com/floppy-disk-table/
> > I like it!
>
> The ratios are wrong: it's about twice as thick as it ought to be. It's
> apparently been designed by somebody who has seen a picture o
And just to close the loop on the original documentation request--
someone has come forward with the exact manual for the M68MM01A2 board
and I very much appreciate that.
He has a lot of Exorciser boards and manuals to scan so I will let him
step forward when he's ready for that. But I do greatly
Excellent information Jonathan!
I generally carry the s100computers and many RetroBrew board and have
ordered over 5000 boards from PCBCart.com
I'm not a board designer but if people have any questions about PCB Cart
and the board ordering process, feel free to contact me privately.
Todd
O
Mike,
We use PCB Cart for boards with hard gold edge contacts, like our DEC
prototyping board, Apple II protoboard, XT-IDE, etc. They are the same Chinese
board house used by s100computers.com and N8VEM/RetroBrew Computers. Results
are pretty good for the price.
Expect to order 25 to make hard
On Wed, 19 Jan 2022 at 12:00, Peter Corlett via cctalk
wrote:
>
> Get a LACK table from IKEA (€6.99)
Speaking of LACK, I guess most people might know this, but it's the
same size as a standard 19" rack and can be used to hold rackmount
kit.
https://wiki.eth0.nl/index.php/LackRack
This may be be
On Wed, 19 Jan 2022 at 16:59, Peter Coghlan via cctalk
wrote:
>
> (BTW, trying to contact IKEA to get it sorted was very much like trying to
> contact Google except that Google doesn't have sacrificial call centre workers
> in a different country to intercept the complaints and lose them, Google j
Is anyone familiar with the IBM 6731 Diskette Module from around 1984 which
gave the IBM Electronic 85 and 95 Selectric Typewriters the ability to store
created documents to a 5.25" floppy diskette?
There was also a 5.25" diskette which was nicknamed "IPL" for "initial
program load", and an inter
Johnathan,
I saw you will be ordering boards pretty soon.
I need to order some boards for my PDP-8/E but I've never ordered boards
before.
What board house do you use? Have you ever specified gold fingers before?
Any advice would be greatly appreciated.
Thanks,
Mike
On Wed, 19 Jan 2022 at 12:00:33 +0100, Peter Corlett via cctalk wrote:
>On Tue, Jan 18, 2022 at 04:47:36PM -0700, Grant Taylor via cctalk wrote:
>> On 1/18/22 2:21 PM, Peter Coghlan via cctalk wrote:
>>> https://www.thisiswhyimbroke.com/floppy-disk-table/
>> I like it!
>
> The ratios are wrong: it'
My curiosity is “what kind” of boot program did they use, was it some sort of
PC Dos incarnation?
There’s very little info left in IBM’s archives.
I also suppose the IBM Modularity option which plugs into the CPU board of the
electronic typewriter, but that too is an educated guess on my part.
Chris,
I'm probably going to order some of these on my next circuit board order (this
week or next), do you want a set of them? Seems they are of course "hacking
required," which is fine by me :P
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On Wednesday, January 19th, 2022 at 10:24, Chri
Just as a follow-up, I retensioned and read both tapes with clear bands this
morning, and they're fine. Since they were parked, there shouldn't have been
anything important there, and it looks like the removed oxide is staying on the
band.
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On
On 1/18/22 22:32, Alan Perry via cctalk wrote:
>
> On 1/18/22 8:22 AM, Chuck Guzis via cctalk wrote:
>> You should be warned that Plastibands
>> do deteriorate after a year or so--I have a package of them that cannot
>> be stretched without breaking.
>>
>
> Do you keep them in sealed bags? I keep
On Wed, 19 Jan 2022 at 04:06:59 -0800, D. Resor via cctalk wrote:
>
> There was also a 5.25" diskette which was nicknamed "IPL" for "initial
> program load", and an interface board which was installed into the
> typewriter and was referred to as the "IBM Typewriter Modularity Option".
>
Hi Don,
A
On Wednesday (01/19/2022 at 03:35PM +0100), Jos Dreesen via cctalk wrote:
> On 19.01.22 13:15, Jonathan Chapman via cctalk wrote:
> > That's a neat board! Where can I/we order one?
>
> With me...
> 20 Eur for the set of 2 + shipping.
>
> If you are in the US it is probably cheaper to order new on
On 19.01.22 13:15, Jonathan Chapman via cctalk wrote:
That's a neat board! Where can I/we order one?
With me...
20 Eur for the set of 2 + shipping.
If you are in the US it is probably cheaper to order new ones locally.
Note that I never completed the documentation or wrote the code for the he
That's a neat board! Where can I/we order one?
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On Wednesday, January 19th, 2022 at 04:08, jos via cctalk
wrote:
> On 19.01.22 01:22, Chris Elmquist via cctalk wrote:
>
> > On Tuesday (01/18/2022 at 11:35PM +), Jonathan Chapman wrote:
> >
>
Is anyone familiar with the IBM 6731 Diskette Module from around 1984 which
gave the IBM Electronic 85 and 95 Selectric Typewriters the ability to store
created documents to a 5.25" floppy diskette?
There was also a 5.25" diskette which was nicknamed "IPL" for "initial
program load", and an interf
On Tue, Jan 18, 2022 at 04:47:36PM -0700, Grant Taylor via cctalk wrote:
> On 1/18/22 2:21 PM, Peter Coghlan via cctalk wrote:
>> https://www.thisiswhyimbroke.com/floppy-disk-table/
> I like it!
The ratios are wrong: it's about twice as thick as it ought to be. It's
apparently been designed by som
On 19.01.22 01:22, Chris Elmquist via cctalk wrote:
On Tuesday (01/18/2022 at 11:35PM +), Jonathan Chapman wrote:
How's about a Glitchbus board set that's compatible? I was planning on doing it
anyway.
That would be very cool. Something along those lines was my plan B and
I even dug out a
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