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
which Innoflex filament? There are several different hardness variants.
I used Ninjaflex 3DNF0517505, but that is because it is the only TPU type
filament I have at hand.
I would rather use a somewhat harder variant.
Jos
Also, when the tapes arrive, are there recommendations in case their
drive belts are gone?
You can 3D-print replacements.
Use Innoflex filament, 100% fill-in and the following OpenScad formula :
module ring(d1,d2,w)
{
difference()
{ cylinder( w, d1/2, d1/2, $fn=230);
cylinder( w
On 22.09.21 13:46, Jules Richardson via cctalk wrote:
On 9/20/21 1:13 AM, Chris Zach via cctalk wrote:
Running it through the MFM tool got all but 200 or so sectors on the first
pass, most errors were on head 3 but tapered off after cyl 500. Seems like a
normal copy of Accent, no special infor
On 30.03.21 21:13, Curious Marc wrote:
Can’t see the web page, it’s blocked. But yes, I could definitely use an
alignment taoe.
Marc
Sorry all,
Did not realize that site was geoblocked, it is some sort of local (i.e. Swiss)
Craigslist.
I will not copy the whole advert, but this is what
Does this head alignment tape need saving ?
https://www.tutti.ch/de/vi/zuerich/computer-zubehoer/komponenten-zubehoer/5-stk-vintage-computer-tapes-memorex-pericomp-etc/43582741
I'd be inclined to think that the alignment tape would suffer to same issues as
all old tapes, but then this is r
On 13.03.21 20:43, Cory Heisterkamp via cctalk wrote:
I’m wondering if anyone recognizes this PCB. Double-sided, 74xx vintage,
measuring 14”x15”. There’s a “B.I.” logo in one corner, but no google match. IC
date codes are ’77/’78 vintage.
There’s a pair of DB-25’s, a BCD encoder, and for some
On 13.03.21 09:17, Joshua Rice via cctalk wrote:
Hi,
I recently bought a core rope memory unit from a Wagner WAC40, mainly because
it’s very aesthetically pleasing and looks good on display:
https://i.redd.it/h9sb550uhnm61.jpg
However, i can fine very little about Wagner Computer, the WAC40 (
On 03.01.21 01:11, Liam Proven via cctalk wrote:
This may be old news -- it was new to me, though.
https://suddendisruption.blogspot.com/search/label/Booting%20Sage%20Computer
The story is around for several years already, but yes : interesting read
indeed.
Speaking of which :
I am current
On 29.04.19 22:28, Chuck Guzis via cctalk wrote:
On 4/29/19 12:56 PM, Jos Dreesen via cctalk wrote:
1970, also all TTL is dated 1969 or 1970.
Jos
That would fit right in with a key-tape scheme. Can you tell if the
capstan motor is a stepper?
--Chuck
I put up some more pics (Tapehead
What's the date on the paddle board?
Could almost be a key-to-tape drive.
--Chuck
1970, also all TTL is dated 1969 or 1970.
Jos
On 16.05.2018 20:00, Al Kossow via cctalk wrote:
Honeywell Level 66 CP
http://ana-3.lcs.mit.edu/~jnc/tech/multics/jpg/L66CPUL.jpg
That seems to be spot on...
What a beast this machine was..
Jos
On 16.05.2018 19:13, Ed Sharpe via cctalk wrote:
OK I see there is a mix of photos in this directory!
some tape reader some drum 2 separate topics.
My mistake, sorry, that papertape reader was of course obvious. Removed that
pic.
Added 4 more, that are from some frontpanel tha
On 22.02.2018 18:56, Pete Lancashire via cctalk wrote:
I thought I would post a heads for
https://photos.app.goo.gl/36CxlZQJDssj5uLh1
I have the IBM 360 aluminum plate that goes on top, it is scratched. More
detailed and better pictures as I dig deeper.
...and if someone needs a nice Univac
On 28.01.2018 16:25, Adrian Graham via cctalk wrote:
On 28 Jan 2018, at 11:09, corey cohen via cctalk wrote:
Or do I need an external profile for my 2/10 if I want to still use LOS.
One alternative is to go for an IdeFile : my Lisa has a 260MB IDE harddisk,
seven partitions, and 6 differe
On 07.01.2018 07:01, Randy Dawson via cctalk wrote:
This was for Mike Hass, he was not in the email chain, and I do not have his
address.
But it' s a general shout out to the other Tek 40xx users out there...
There are a number of us over and the vcfed forum, someone just brought his
405
On 28.12.2017 05:35, Randy Dawson via cctalk wrote:
Since I know there's tons of PDP/11 geniuses here, and other gurus with a NOVA
4, and a Tektronix 4052 guy (I have the 4051):
What have you done, with microprogramming this part? In your architecture,
have you changed the microcode, create
On 03.10.2017 16:59, Al Kossow via cctalk wrote:
On 10/3/17 2:50 AM, Jos Dreesen via cctalk wrote:
That "famous" QIC tape unit
Tektronix 405x tapes aren't QIC
They are 3M DC series cartridges, but the encoding is not a QIC standard.
The problems, alas, are the same.
That "famous" QIC tape unit
...has been talked about a lot, still some things are still not clear to me.
Baking : is this a last-resort means of reading some valuable tape, or a means
to restore them for a further few years of usage ?
I intend to bake mine before usage, although a few unus
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