On 07/08/2017 18:37, Rod Smallwood via cctalk wrote:
So to-morrow connect up a terminal that will do 110 baud and try an echo
test.
Next part is interesting. There should be a way to fake a reader / punch
and feed in tape images.
There is. Look on Kevin McQuiggin's site:
http://highgate.co
On 25/06/2017 11:46, Rob Jarratt via cctalk wrote:
I have done a bit more tracing of components and have come across a
possibly anomaly. The signal that won't go low enough goes to the
input (pin 2) of a 74LS125 buffer.
As soon as I saw "74LS125" I thought, "Oh, yes, another one". That's a
f
On 20/06/2017 09:06, Aaron Jackson via cctalk wrote:
I think I have seen this too, and was actually beginning to wonder if a
box with the clunky connector was the only "official" way of doing it. I
believe I read somewhere about bypassing the connector on the back of
the drive and going straight
On 06/06/2017 23:58, David Griffith via cctalk wrote:
Often when I comb through old documentation, I find that the years,
heat, and pressure appear to have remelted the toner such that pages get
stuck together. Is there a danger of that happening with modern toners?
Yes. Toner composition
On 03/06/2017 17:57, Dave Wade via cctalk wrote:
I have in my loft 2 x RL02 with Packs in place and 1 x RX02 drive, which I
got with various other PDP-11 bits. They have been roughly treated and
probably don't work, but they take up a huge amount of space, and I can't
see me ever getting the ti
On 28/05/2017 23:45, Mazzini Alessandro via cctalk wrote:
I tried to clone a boot drive ( on a bigger one ), using one of the
scripts on nekochan. The disk was initialized , labelled then
formatted by the script, and cloned. The data is present if I mount
it
The issue starts when I change the i
On 25/04/2017 17:46, js--- via cctalk wrote:
On 4/25/2017 11:34 AM, Pete Turnbull via cctalk wrote:
Definitely. It takes a while, but even behind window glass (which is
barely transparent to short wavelength UV) EPROMs can eventually lose
their content. It happened to a friend who had a
On 25/04/2017 15:55, Tapley, Mark via cctalk wrote:
On Apr 25, 2017, at 8:51 AM, allison via cctalk wrote:
Even after all that I'd still dry it with a little heat (oven at 180F or a
clean empty
container in the sun.
Irrelevant for backplanes, but for circuit boards, would any UV-erasable PR
On 25/04/2017 10:08, jim stephens via cctalk wrote:
On 4/25/2017 1:39 AM, Pete Turnbull via cctalk wrote:
"Little residue" would be more accurate, and some of that residue
will be water (look up "azeotrope") - plus you need a lot of
alcohol for something the size of a PD
On 25/04/2017 08:51, jim stephens via cctalk wrote:
On 4/25/2017 12:45 AM, ben via cctech wrote:
I would go for distilled water, tap water could have chlorine it
it.
Not enough to do any harm if you dry it sensibly; besides, it's more
likely to be choramines these days, not chlorine as suc
On 16/03/2017 00:30, Philipp Hachtmann via cctalk wrote:
I have announced that there will be a kind of
handle for the boards this time... I went to my neighbour and showed him
some bits and pieces. He has a nice little workshop for concrete artwork
(https://www.fritzundfranz.com/) and spent a lot
On 12/03/2017 17:24, Noel Chiappa via cctalk wrote:
> From: Devin Davison
> This past week I managed to pick up a pdp 11/23.
Nice system; the CPU has the MMU and FPP
And it's a Rev.D (you can tell from the jumper layout), so full 22-bit.
you've got what's probably a 256KB
memory ca
On 09/03/2017 09:50, Christian Corti via cctalk wrote:
On Thu, 9 Mar 2017, Tor Arntsen wrote:
I did an strace and I can confirm that the Linux 'whois' client that I
used from those various sites sends '-T dn' (or actually -T dn,ace)
I did a little research on that:
The '-T' option is passed t
On 09/03/2017 07:25, Tor Arntsen wrote:
I did an strace and I can confirm that the Linux 'whois' client that I
used from those various sites sends '-T dn' (or actually -T dn,ace)
write(3, "-T dn,ace uni-stuttgart.de\r\n", 28) = 28
I can't see where this whois originates from, it has version
On 08/03/2017 07:11, Tor Arntsen via cctalk wrote:
I tested 'whois -h whois.denic.de uni-stuttgart.de'
from Oslo, London, Tokyo, and it seems to work fine - I got all
expected whois output. Tested yesterday too.
Sounds like it may be the whois client instead - what OS are you guys
using, and whi
On 07/03/2017 15:07, Mouse via cctalk wrote:
$ telnet whois.denic.de 43
Trying 81.91.170.6...
Connected to whois.denic.de.
Escape character is '^]'.
whois -r uni-stuttgart.de
% Error: 557 Request not clearly specified
Connection closed by foreign host.
$
That's broken.
In that case,
On 07/03/2017 13:47, Christian Corti via cctalk wrote:
On Tue, 7 Mar 2017, Pete Turnbull wrote:
No, Mouse is right, it's broken:
Works for me (also from different networks outside the university network):
Interesting... I still get the same errors. Could it be
location-dependant in some wa
On 07/03/2017 09:57, Christian Corti via cctalk wrote:
And BTW, what you are doing is not clever at all:
mo...@rodents-montreal.org
SMTP error from remote mail server after initial connection:
host MX-4.rodents-montreal.org [98.124.61.89]:
550-.de's whois server, whois.denic.de, is
On 05/03/2017 03:34, Noel Chiappa via cctalk wrote:
> From: Josh Dersch
> I'm looking to rack up my PDP-11/34 so I can get it off my bench. I'd
> like to track down something similar to (if not exactly) the original
> rackmount rails (the ones that allow the chassis to pivot 90 d
On 28/02/2017 21:23, Rich Alderson via cctalk wrote:
OK, it's official. I rarely criticize mail interfaces, because
they're usually mostly innocuous. However, today's change makes life
a lot more difficult.
Actually, I rather like it, because in my mail client (Thunderbird) it
shows as "From:
On 28/02/2017 22:06, Eric Christopherson via cctalk wrote:
At least in Gmail's web interface, I don't see reply and reply all having
any difference here; they both put both addresses in the To:. I'll have to
check how this works in an IMAP client later.
It may vary in different clients, but in
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