On 1/16/18 4:27 PM, Sam O'nella via cctalk wrote:
> Enjoying the virus/malware history as its always interesting to see
> what people thought. Tricks, boredom, etc cause interesting results.
> For punch cards i thought someone was going to mention punching all
> the holes and jamming the reader.
Hello,
What software, hardware, simulators, emulators, etc are there that could
run ARPAnet today?
- ITS has support for NCP, but I don't know if it works.
- There's source code for the IMP.
- TENEX seems ok at a quick glance.
- WAITS, likewise.
- Multics NCP has not been located.
- Unix?
- IBM m
While I'm thinking about it, for any/all who might be interested, just last
week, I created a step-by-step video for disassembling a UNIX PC 7300 (with
a few comments/comparisons for the 3b1)
https://youtu.be/vYKS-jOdcsQ
I've always found them tricky to work on with the way they are packed
togeth
Thank you for this, Todd! I believe I can help here, on all fronts. I
have several 3b1s, both complete and in varying stages of assembly. I'd be
glad to be the comparison on the hardware for sure. I can even donate
parts (and/or a whole 3b1) if appropriate, and would gladly do so to see
that mu
Dwight, thanks for sharing all of this this! Great memory, and fantastic
ingenuity, to say the least!
Did it happen to be one of these older-style Convergent AWS machines?
http://mightyframe.blogspot.com/2017/03/convergent-technologies-workstation.html
On Mon, Jan 15, 2018 at 6:16 AM, dwight w
Hello Good Folks.
I've put up a new batch of S-100 boards for sale, details here:
http://www.vcfed.org/forum/showthread.php?61192-Sellam-s-S-100-Hardware-Software-and-Peripherals-Sales-Thread&p=494644#post494644
I've also added a 4051E01 ROM Expander to the Tektronix 4051 system I put
up for sal
This isn't malware, but back in 1962 when I was taking a college class
in assembly language programming for the IBM 709, my innocence led to
the following.
Of course, I had, on the typewriter, for my high school years, always
typed ' backspace . to get an exclamation point. I did this in a
c
On Tue, Jan 16, 2018 at 6:59 PM, Anders Nelson via cctalk
wrote:
> Silvertel makes POTS line interfaces (SLICs) that work on 3.3v or 5v
> supplies. They do all the high voltage generation and impedance wizardry on
> the POTS side, then expose audio in/out and simple control lines.
I've worked wit
On 01/16/2018 08:39 PM, Chuck Guzis via cctalk wrote:
I wonder if one of the inexpensive VoIP-to-POTS adapters would do the job...
I expect so. That's what I was referencing earlier when I said that I
had a fax machine working behind an IAXy (connected to Asterisk.)
Otherwise, there should
I wonder if one of the inexpensive VoIP-to-POTS adapters would do the job...
Otherwise, there should still be some cheap KSUs around on the surplus
market.
--Chuck
On Tue, Jan 16, 2018 at 4:27 PM, Sam O'nella via cctalk <
cctalk@classiccmp.org> wrote:
> Enjoying the virus/malware history as its always interesting to see what
> people thought. Tricks, boredom, etc cause interesting results.
> For punch cards i thought someone was going to mention punching all
> I would expect that such PBXs have a way to receiving incoming analog
> lines. As such, I would expect that you could take an FXO (station)
> port on one PBX and connect it to the FXS (CO) port on the other PBX,
> and vice versa.
They do have access to outside lines (e.g. 9, number). However, I
Enjoying the virus/malware history as its always interesting to see what people
thought. Tricks, boredom, etc cause interesting results.
For punch cards i thought someone was going to mention punching all the holes
and jamming the reader. I'm not sure if thats real but heard some folks had to
ch
Silvertel makes POTS line interfaces (SLICs) that work on 3.3v or 5v
supplies. They do all the high voltage generation and impedance wizardry on
the POTS side, then expose audio in/out and simple control lines.
To complete the picture you'd have to generate the tones and decode the
numbers but tha
On 01/16/2018 04:46 PM, Ali wrote:
You can pick up a cheap Chinese analog 8 port PBX on ePay for about
$60. It will create dial tone, ring, etc. and allow you to call from
"extension" to "extension" so you can even dial in and get a handshake
tone. The only issue is that I don't believe they ca
> Would this be a good job for the Viking Electronics DLE-300?
>
> It emulates a CO with a pair of POTS lines, so you can call from port
> to port on it. It emulates all of the correct tones and CPC, both
> modems think they are on POTS lines. Makes it very easy to connect a
> pair of modems back-
On 01/16/2018 04:19 PM, Fred Cisin via cctalk wrote:
If you don't need the "handshake" for dialtone, ring, caller-ID, etc.,
then all you need is some electric power.
Now I'm wondering about superimposing ~90 VAC (at 20 Hz) to simulate ring.
I think that the ""dialing modem could be configured
Would this be a good job for the Viking Electronics DLE-300?
It emulates a CO with a pair of POTS lines, so you can call from port to
port on it. It emulates all of the correct tones and CPC, both modems think
they are on POTS lines. Makes it very easy to connect a pair of modems
back-to-back, and
The tightwad fix is to bodge a PP3 battery onto a line splitter, which is
often enough to convince modems that there is a phone line. There is no
dial tone nor ring signal, so you need to turn off dial tone detection on
the calling modem ("ATX1", IIRC) and somehow tell the answering computer to
On Tue, 16 Jan 2018, dwight via cctalk wrote:
You know that one can always remove the pins from the lock and then any key
of the right diameter will work. It won't be original but it will work.
MOST of such locks (called "cam lock") have a standardized mounting,
although the "cam"/latch bar ma
On 01/16/2018 03:15 PM, Peter Corlett via cctalk wrote:
The tightwad fix is to bodge a PP3 battery onto a line splitter, which is
often enough to convince modems that there is a phone line. There is no
dial tone nor ring signal, so you need to turn off dial tone detection on
the calling modem (
On Tue, 16 Jan 2018, dwight via cctalk wrote:
You know that one can always remove the pins from the lock and then any
key of the right diameter will work. It won't be original but it will
work.
Most any real lock smith can make a key for you if you give him the
lock. The ones on the HPs are n
You know that one can always remove the pins from the lock and then any key of
the right diameter will work. It won't be original but it will work.
Most any real lock smith can make a key for you if you give him the lock. The
ones on the HPs are not that hard to remove.
Dwight
___
I never found on ein the key stash I ordered 2 off ebay
one to use...
one to loose!
Ed#
In a message dated 1/16/2018 3:19:11 PM US Mountain Standard Time,
cctalk@classiccmp.org writes:
On Tue, 16 Jan 2018, Tim Riker via cctalk wrote:
> Did this get resolved? I have an HP-21
On Tue, 16 Jan 2018, Tim Riker via cctalk wrote:
Did this get resolved? I have an HP-2108A with key as pictured here:
https://rikers.org/gallery/hardware-hp2108a/20050415_132446
Nice pictures of a 2108A !
But no pictures of the key, (which has been worked out)
On Tue, Jan 16, 2018 at 02:07:59PM -0700, Grant Taylor via cctalk wrote:
[...]
> I doubt that will work quite like you are thinking. There is more to an
> analog phone line than the audio that comes over it. Namely the loop current
> and voltage are also additional bits of signaling.
The tightwad
On Tue, 16 Jan 2018, Tim Riker via cctalk wrote:
On 09/21/2017 08:52 AM, Fred Cisin via cctalk wrote:
On Thu, 21 Sep 2017, Mike Loewen via cctalk wrote:
Mike Thompson at the RICM is going to look for a number on the key
for their 2108A, this weekend.
Ask if he can snap a few good close-up
On 09/21/2017 08:52 AM, Fred Cisin via cctalk wrote:
> On Thu, 21 Sep 2017, Mike Loewen via cctalk wrote:
>> Mike Thompson at the RICM is going to look for a number on the key
>> for their 2108A, this weekend.
>
> Ask if he can snap a few good close-up pictures of it. While
> measurement from a
On 01/16/2018 02:21 PM, Mark G Thomas via cctalk wrote:
Teltone and several other companies made/make phone line similators which
provide battery, dial tone, ringing, caller ID (sometimes), DTMF (and
maybe even pulse?) dialing between several ports. These are designed
for testing and demonstrat
> On Jan 16, 2018, at 4:19 PM, Grant Taylor via cctalk
> wrote:
>
> On 01/16/2018 02:07 PM, Paul Koning via cctalk wrote:
>> Which of course also goes out if the power fails, perhaps not as quickly as
>> a poorly constructed POTS system but it will. Various emergency
>> sitatuations (hurric
On Tue, 16 Jan 2018, Grant Taylor via cctalk wrote:
I doubt that will work quite like you are thinking. There is more to an
analog phone line than the audio that comes over it. Namely the loop current
and voltage are also additional bits of signaling.
I don't think there is such a thing as a
Hi,
On Tue, Jan 16, 2018 at 02:07:59PM -0700, Grant Taylor via cctalk wrote:
> On 01/16/2018 12:18 PM, Anders Nelson via cctalk wrote:
> >I suppose one could emulate the telephone carrier dial tone and
> >ring back tone with a third device, then the modems would just act
> >like a direct connectio
On 01/16/2018 02:07 PM, Paul Koning via cctalk wrote:
Which of course also goes out if the power fails, perhaps not as quickly
as a poorly constructed POTS system but it will. Various emergency
sitatuations (hurricanes etc.) have demonstrated this repeatedly.
That surprises me. In Missouri,
On 01/16/2018 01:19 AM, Martin Meiner via cctech wrote:
Hello guys.
Hi,
I am a passionate collector of old computer hardware (PDP8’s) and
terminals from the very early 70ies.
To each his / her own.
It has always been my aim to be able to connect a modem or an acoustic
coupler directly to
On 01/16/2018 01:19 AM, Martin Meiner via cctech wrote:
Hello guys.
Hi,
I am a passionate collector of old computer hardware (PDP8’s) and
terminals from the very early 70ies.
To each his / her own.
It has always been my aim to be able to connect a modem or an acoustic
coupler directly to
On 01/16/2018 12:18 PM, Anders Nelson via cctalk wrote:
I suppose one could emulate the telephone carrier dial tone and ring
back tone with a third device, then the modems would just act like a
direct connection after their handshake?
I doubt that will work quite like you are thinking. There
> On Jan 16, 2018, at 4:02 PM, Chuck Guzis via cctalk
> wrote:
>
> ...
> Of course, when the power goes out during a winter storm, *everything*
> goes out, even if you have emergency backup power for your home. Said
> fiber-fed terminal has only about an hour of reserve power,
>
> So a mobil
On 01/16/2018 12:31 PM, Fred Cisin via cctalk wrote:
> The WHOLE experience?
> howzbout BUSY signal, random drop of calls, noisy/static? on line, . . .
> maybe even include human error, and randomly [rarely] dial wrong number
Or trying to call Los Gatos from Sunnyvale using an acoustic modem? (L
> http://biosrhythm.com/?page_id=1453
>
> I tried one out on a tandy 1000 and it worked flawlessly. I had set up
> linux system and made it remotely accessable via telnet, and was able
> to reach it via the dos running tandy 1000. I did not have the correct
> adapter at the time, but i dont see an
I personally have had a hard time even trying to get a traditional
POTS phone line installed over here. The only offerings from atnt and
comcast are voip nonsense. Its kinda redundant and buggy trying to
dial up over a comcast voip line. ive tried it, it drops constantly.
The sales staff do not eve
On Tue, 16 Jan 2018, Anders Nelson via cctalk wrote:
I suppose one could emulate the telephone carrier dial tone and ring back
tone with a third device, then the modems would just act like a direct
connection after their handshake?
I'm so glad there are others who want to accurately recreate the
On 01/16/2018 03:38 AM, Peter Corlett via cctalk wrote:
I do this routinely, albeit with a terminal emulator and ssh session
rather than a physical terminal and modem.
Agreed.
My "small device" is a Debian Linux box in Germany on which I read mail
and Usenet, do IRC, etc. I wrote a trivial Pe
I suppose one could emulate the telephone carrier dial tone and ring back
tone with a third device, then the modems would just act like a direct
connection after their handshake?
I'm so glad there are others who want to accurately recreate the whole user
experience!
=]
On Tue, Jan 16, 2018 at 10
On 01/16/2018 10:47 AM, Noel Chiappa via cctalk wrote:
> > From: Jay West
>
> > I'm wary of just sending the tape through the mail for imaging
>
> Why? I sent some tapes out to Chuck to get read, those went by USPS, and no
> problem (well, one had some drop-outs, but they were old and
> From: Jay West
> I'm wary of just sending the tape through the mail for imaging
Why? I sent some tapes out to Chuck to get read, those went by USPS, and no
problem (well, one had some drop-outs, but they were old and not in great
shape; the other one read fine).
Noel
> On Jan 16, 2018, at 1:04 PM, Doug Ingraham via cctalk
> wrote:
>
> On Sat, Jan 13, 2018 at 7:34 AM, David Bridgham via cctalk <
> cctalk@classiccmp.org> wrote:
>
>> I've wondered if you might not make DECtape tape from 3/4" video tape.
>> I know that DECtape has mylar on both sides but what
Make that a 28 (Baudot) not a 35
On Tue, Jan 16, 2018 at 10:02 AM, Pete Lancashire
wrote:
> Think 101-C's are rare ?
>
> This weekend a Teletype model 35 came home with me and the attached
> Western Electric 101-A modem is missing its boards.
>
> https://photos.app.goo.gl/rZNAt20Vh9CXAflA3
On Sat, Jan 13, 2018 at 7:34 AM, David Bridgham via cctalk <
cctalk@classiccmp.org> wrote:
> I've wondered if you might not make DECtape tape from 3/4" video tape.
> I know that DECtape has mylar on both sides but what if you somehow
> glued two strips of video tape together with the mylar backing
Think 101-C's are rare ?
This weekend a Teletype model 35 came home with me and the attached
Western Electric 101-A modem is missing its boards.
https://photos.app.goo.gl/rZNAt20Vh9CXAflA3
-pete
I understand very well your concerns about sending by mail rare data on
magnetic media. It's a pity that I live so far away (in Belgium), even
if I have not finished to configure my machines, at the end I should be
able to write anything on any media, and concerning magnetic tapes it
will be fr
Hello Jay (JRJ),
I'm not sure if I understand well, what do you mean by "drawings", do
you need additional images of the beast, maybe to better identify it ?
If yes :
http://www.zeltrax.com/classiccmp_forum/tapetransfert/d116_panel_01.jpg
http://www.zeltrax.com/classiccmp_forum/tapetransfert/d1
The 'other Jay' wrote...
--
Diagnostics for DG systems are notoriously difficult to find. I have a few, in
listing format.
--
I have a full official DG-issued/labeled original diagnostic OS tape. I do
believe it is at 800bpi though.
On Jan 16, 2018, at 4:38 AM, Peter Corlett via cctalk
wrote:
> On Tue, Jan 16, 2018 at 08:19:34AM +, Martin Meiner via cctech wrote:
> [...]
>> Does anybody know if there exists such anaccess-number where this conversion
>> is already made, or is there a small deviceon the market that allows
On Tue, Jan 16, 2018 at 08:19:34AM +, Martin Meiner via cctech wrote:
[...]
> Does anybody know if there exists such anaccess-number where this conversion
> is already made, or is there a small deviceon the market that allows on one
> side connect to a dial-up modem and on theother side to the
Hello guys.
I am a passionate collector of old computerhardware (PDP8’s) and terminals from
the very early 70ies.
It has always been my aim to be able toconnect a modem or an acoustic coupler
directly to one of my ASCII terminals,dial a number and be connected…with
Google!
Something like
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