Some blinkenlights for entertainment...
Mike Ross
mross666 at hotmail.com
Fri May 29 20:04:14 CDT 2009
Here you go:
http://www.youtube.com/watch?v=CBtXLZcY_bM
Makes a change from pdp... :-)
William Donzelli: ping! Please email me at mike at corestore dot org - I may just have something for you...
Mike
http://www.corestore.org
> From: cctech-request at classiccmp.org
> Subject: cctech Digest, Vol 69, Issue 48
> To: cctech at classiccmp.org
> Date: Fri, 29 May 2009 12:00:01 -0500
>
> Send cctech mailing list submissions to
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>
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> or, via email, send a message with subject or body 'help' to
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> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of cctech digest..."
>
>
> Today's Topics:
>
> 1. Re: 1964 Antique MODEM Live Demo (Chuck Guzis)
> 2. Re: VT-6 kit (was Re: Making vintage computers) (John Honniball)
> 3. EPROM for Linger 6502 Terminal (M H Stein)
> 4. Re: 1964 Antique MODEM Live Demo (David Griffith)
> 5. Re: VT-6 kit (was Re: Making vintage computers) (Alexandre Souza)
> 6. Re: VT-6 kit (was Re: Making vintage computers) (Alexandre Souza)
> 7. Re: VT-6 kit (was Re: Making vintage computers) (Gene Buckle)
> 8. Re: VT-6 kit (was Re: Making vintage computers) (Alexandre Souza)
> 9. Re: VT-6 kit (was Re: Making vintage computers) (Bob Bradlee)
> 10. Re: receptacles (was IBM 029 Keypunch has arrived) (Pete Turnbull)
> 11. Re: 1964 Antique MODEM Live Demo (Brent Hilpert)
> 12. Re: 1964 Antique MODEM Live Demo (Dave McGuire)
> 13. Re: 1964 Antique MODEM Live Demo (Chuck Guzis)
> 14. Re: 1964 Antique MODEM Live Demo (Chuck Guzis)
> 15. Re: 1964 Antique MODEM Live Demo (John Foust)
> 16. Re: 1964 Antique MODEM Live Demo (Dave McGuire)
> 17. Re: 1964 Antique MODEM Live Demo (William Donzelli)
> 18. Re: 1964 Antique MODEM Live Demo (Dave McGuire)
> 19. Re: 1964 Antique MODEM Live Demo (Chuck Guzis)
> 20. Re: VT-6 kit (was Re: Making vintage computers) (Gene Buckle)
> 21. RE: An ebay bargain (I hope!) (N0body H0me)
> 22. Re: 1964 Antique MODEM Live Demo (Warren Wolfe)
> 23. Re: VT-6 kit (Ethan Dicks)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 28 May 2009 13:38:43 -0700
> From: "Chuck Guzis" <cclist at sydex.com>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID: <4A1E93E3.24953.348876B3 at cclist.sydex.com>
> Content-Type: text/plain; charset=US-ASCII
>
> On 28 May 2009 at 15:56, Golan Klinger wrote:
>
> > Disclaimer: I wouldn't normally post this sort of thing but I'm
> > confident it will be of interest to more than a few on this list.
> >
> > "1964 Antique MODEM Live Demo"
> > <http://www.youtube.com/watch?v=X9dpXHnJXaE>
>
> This brought up the question of "whatever happened to all of the gray
> Bell Dataphones? (e.g. 401E). They used to be as common as
> cockroaches.
>
> I haven't seen one in many years.
>
> --Chuck
>
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 28 May 2009 21:55:07 +0100
> From: John Honniball <coredump at gifford.co.uk>
> Subject: Re: VT-6 kit (was Re: Making vintage computers)
> To: General Discussion: On-Topic Posts Only <cctech at classiccmp.org>
> Message-ID: <4A1EFA2B.3000606 at gifford.co.uk>
> Content-Type: text/plain; charset=us-ascii; format=flowed
>
> Gene Buckle wrote:
> > I'd love to find a 7" color VGA display. Even a 7" LCD panel with a 4:3
> > aspect ratio would work.
>
> I have an Olivetti VGA colour monitor with a 9-inch screen.
> If you want to find one like it, the model number is:
>
> CD.9.A./2709
>
> Hope that helps!
>
> --
> John Honniball
> coredump at gifford.co.uk
>
>
> ------------------------------
>
> Message: 3
> Date: Thu, 28 May 2009 14:47:23 -0400
> From: M H Stein <dm561 at torfree.net>
> Subject: EPROM for Linger 6502 Terminal
> To: "'cctalk at classiccmp.org'" <cctalk at classiccmp.org>
> Message-ID: <01C9DFA3.4D5A5A00 at MSE_D03>
> Content-Type: text/plain; charset="us-ascii"
>
> Speaking of terminal kits, by any chance does anyone out there have a
> Linger 6502 terminal kit? I'm looking for an image of the the AT keyboard
> version of the EPROM...
>
> mike
> ****************************
> ---------------Original Message(s)
> Date: Wed, 27 May 2009 22:00:57 -0400
> From: Ethan Dicks <ethan.dicks at gmail.com>
> Subject: VT-6 kit (was Re: Making vintage computers)
>
> On Wed, May 27, 2009 at 9:53 PM, bfranchuk at jetnet.ab.ca
> <bfranchuk at jetnet.ab.ca> wrote:
> > Now back to putting together my SPARE TIME GIZMOS dumb terminal once I print
> > out the online PDF manual.
>
> I just got my VT-6 partial kit today - time for me to start assembling it!
>
> -ethan
>
>
>
> ------------------------------
>
> Message: 4
> Date: Thu, 28 May 2009 14:18:19 -0700 (PDT)
> From: David Griffith <dgriffi at cs.csubak.edu>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID:
> <alpine.DEB.1.10.0905281414150.11441 at sleipnir.cs.csubak.edu>
> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
>
> On Thu, 28 May 2009, Golan Klinger wrote:
>
> > Disclaimer: I wouldn't normally post this sort of thing but I'm
> > confident it will be of interest to more than a few on this list.
> >
> > "1964 Antique MODEM Live Demo"
> > <http://www.youtube.com/watch?v=X9dpXHnJXaE>
>
> It certainly is of interest. I'd like to get one of those for myself. It
> shouldn't be too terribly hard to homebrew one of these things into a
> shoeshine box, right?
>
> --
> David Griffith
> dgriffi at cs.csubak.edu
>
> A: Because it fouls the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
> A: Top-posting.
> Q: What is the most annoying thing in e-mail?
>
>
> ------------------------------
>
> Message: 5
> Date: Thu, 28 May 2009 18:24:35 -0300
> From: "Alexandre Souza" <alexandre-listas at e-secure.com.br>
> Subject: Re: VT-6 kit (was Re: Making vintage computers)
> To: "General Discussion: On-Topic Posts Only" <cctech at classiccmp.org>
> Message-ID: <0cd101c9dfda$eaec2960$35c219bb at desktaba>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> >One problem is that the video circuit for compact Macs is bizarre.
> >The display circuit was optimized for square pixels at 72 dpi on the
> >tube. Here's the stats of the Mac video circuit I was able to dredge
> >up...
>
> Do what I did. Subistitute the entire analog board for a small (9") vga
> mono monitor :o)
>
> All (or most) picture tubes are compatible. I have an old mac 128 who
> came to me without the analog board. When it happened, it was hard (and
> expensive) as hell to put my hands on an analog board. Since I wanted that
> mac to play, I gutted an old 9" mono vga monitor I had and installed
> everything but the picture tube on the mac. It is my "secondary PC monitor"
> up to today, running windows and like :D
>
> If you want a colour monitor, install everything - incluiding the
> picture tube.
>
> >As for the keyboard, the original Mac keyboard (128K and 512K) lacks
> >arrow keys, a control key, function keys and a keypad. The Mac Plus
>
> Why would I use the (arrrrggghhhh) original mac keyboard? The newer mac
> keyboards are nice, and you can always build an ADB -> PS/2 adapter. Or mod
> the source of the VT-5 to use an ADB keyboard :) I took a (very) fast look
> on the schematics, seems that the keyboard decoder is very simple.
>
> Or, do like me, use a PC keyboard :o)
>
> >EDT user. I don't know anything about Mac keyboard protocols or
> >signaling method, but with the modular-jack keyboards (pre-ADB), it's
> >probably similar enough to what everyone else did (power, ground,
> >either data+clock or bi-directional data over the 4 wires) that it
> >shouldn't be too hard to reverse-engineer.
>
> ADB is not hard, it is well documented in apple's site!
>
> >If you could find an old 9" mono VGA monitor, that might be easy to
> >physically adapt to an old Mac case, but I don't remember those being
> >too common, even back when they were making them (since they were
> >really only popular with hardcore DOS users).
>
> you can use a 12" monitor circuit with a 9" tube. Did I made it easier
> for you? :o)
>
> I have some photos of mine, I can send to you, my site is offline
>
>
>
>
> ------------------------------
>
> Message: 6
> Date: Thu, 28 May 2009 18:25:52 -0300
> From: "Alexandre Souza" <alexandre-listas at e-secure.com.br>
> Subject: Re: VT-6 kit (was Re: Making vintage computers)
> To: "General Discussion: On-Topic Posts Only" <cctech at classiccmp.org>
> Message-ID: <0d1d01c9dfdb$39656cf0$35c219bb at desktaba>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> > The problem, of course, is finding terminal emulation software that'll
> > emulate weird terminal types (non VT100/ANSI emulation). That's what I
>
> - Telix?
> - Terminate? (EXCELLENT!!!!!!)
> - Telemate?
> - Procomm Plus?
>
>
>
> ------------------------------
>
> Message: 7
> Date: Thu, 28 May 2009 14:48:27 -0700 (PDT)
> From: Gene Buckle <geneb at deltasoft.com>
> Subject: Re: VT-6 kit (was Re: Making vintage computers)
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID: <alpine.LFD.1.10.0905281446390.8841 at grumble.deltasoft.com>
> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
>
> On Thu, 28 May 2009, John Honniball wrote:
>
> > Gene Buckle wrote:
> >> I'd love to find a 7" color VGA display. Even a 7" LCD panel with a 4:3
> >> aspect ratio would work.
> >
> > I have an Olivetti VGA colour monitor with a 9-inch screen.
> > If you want to find one like it, the model number is:
> >
> John, thanks for the tip. Unfortunately, a 7" diagonal monitor is the
> largest I can use. It's a replacement for the 1:1 aspect ratio screen
> that was originally installed in the MPCD of the F-15C I'm rebuilding into
> a simulator. I've got a 7" monochrome display shoe-horned into the
> chassis now, but it really should be a color display.
>
> g.
>
>
> --
> Proud owner of F-15C 80-0007
> http://www.f15sim.com - The only one of its kind.
>
> ScarletDME - The red hot Data Management Environment
> A Multi-Value database for the masses, not the classes.
> http://www.scarletdme.org - Get it _today_!
>
>
> ------------------------------
>
> Message: 8
> Date: Thu, 28 May 2009 18:59:17 -0300
> From: "Alexandre Souza" <alexandre-listas at e-secure.com.br>
> Subject: Re: VT-6 kit (was Re: Making vintage computers)
> To: "General Discussion: On-Topic Posts Only" <cctech at classiccmp.org>
> Message-ID: <0d8601c9dfdf$9af81360$35c219bb at desktaba>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> > you can use a 12" monitor circuit with a 9" tube. Did I made it easier for
> > you? :o)
> >I can understand how that can be so, but I didn't assume it was true.
> >I certainly have never tried it (though now I might).
>
> Most of mono monitors are the same. Never had a different tube that I
> couldn't exchange between boards (but you have to use the same yoke coil
> from the board - you just swap the glass tube). I used tubes from 5" to 12"
> in the same board. All of then worked the same, with retouches on the pots
> (width, height, bright, so on)
>
>
>
> ------------------------------
>
> Message: 9
> Date: Thu, 28 May 2009 18:12:33 -0400
> From: "Bob Bradlee" <caveguy at sbcglobal.net>
> Subject: Re: VT-6 kit (was Re: Making vintage computers)
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID: <200905282212.n4SMCMco081219 at keith.ezwind.net>
> Content-Type: text/plain; charset="us-ascii"
>
> On Thu, 28 May 2009 14:48:27 -0700 (PDT), Gene Buckle wrote:
>
> >On Thu, 28 May 2009, John Honniball wrote:
>
> >> Gene Buckle wrote:
> >>> I'd love to find a 7" color VGA display. Even a 7" LCD panel with a 4:3
> >>> aspect ratio would work.
> >>
> >> I have an Olivetti VGA colour monitor with a 9-inch screen.
> >> If you want to find one like it, the model number is:
> >>
> >John, thanks for the tip. Unfortunately, a 7" diagonal monitor is the
> >largest I can use. It's a replacement for the 1:1 aspect ratio screen
> >that was originally installed in the MPCD of the F-15C I'm rebuilding into
> >a simulator. I've got a 7" monochrome display shoe-horned into the
> >chassis now, but it really should be a color display.
>
> >g.
>
> Google 7 inch color display and you will find a bunch of choices.
> assuming LCT is close enough.
> 7
color CRT are a bit harder to find but theye are around.
>
> an ebay search of 7 color tv came up with a few choices.
>
> Auto Vackup camera with 7
display
> http://www.i4u.com/article6741.html
>
> Door camera with 7
color display
> http://www.alibaba.com/product-gs/211479480/Color_Video_Door_Phone_7_inch.html
>
>
> http://www.diytrade.com/china/4/products/4802363/7inch_in_VGA_LCD_PC_AV.html
>
> ASUS Eee PC 4G (7-Inch Display
> http://www.amazon.com/7-Inch-Display-Mobile-Processor-Preloaded/dp/B000YEMKGY
>
> Bob
>
>
>
>
>
> ------------------------------
>
> Message: 10
> Date: Thu, 28 May 2009 22:59:01 +0100
> From: Pete Turnbull <pete at dunnington.plus.com>
> Subject: Re: receptacles (was IBM 029 Keypunch has arrived)
> To: General Discussion: On-Topic and Off-Topic Posts
> <cctalk at classiccmp.org>
> Message-ID: <4A1F0925.9020505 at dunnington.plus.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> On 28/05/2009 19:45, Tony Duell wrote:
>
> > Indeed. I have a cable with a suitable plug on one end to fit the
> > transformer (It's normally called a 'BS4343 plug' over here after the
> > British Standard that refers to it , there is a CEN number, but I can't
> > rememebr it :-))
>
> IEC 309, or more correctly (and up to date) IEC 60309 or EN 60309.
> Often called "Commando" plugs though that's a trademark of a particular
> manufacturer. That range covers 240V as well as 110V and covers
> three-phase versions as well.
>
> --
> Pete Peter Turnbull
> Network Manager
> University of York
>
>
> ------------------------------
>
> Message: 11
> Date: Thu, 28 May 2009 16:03:47 -0700
> From: Brent Hilpert <hilpert at cs.ubc.ca>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: General at invalid.domain, "Discussion at invalid.domain":On-Topic and
> Off-Topic Posts <cctalk at classiccmp.org>
> Message-ID: <4A1F1852.355206C9 at cs.ubc.ca>
> Content-Type: text/plain; charset=us-ascii
>
> David Griffith wrote:
> >
> > On Thu, 28 May 2009, Golan Klinger wrote:
> >
> > > Disclaimer: I wouldn't normally post this sort of thing but I'm
> > > confident it will be of interest to more than a few on this list.
> > >
> > > "1964 Antique MODEM Live Demo"
> > > <http://www.youtube.com/watch?v=X9dpXHnJXaE>
> >
> > It certainly is of interest. I'd like to get one of those for myself. It
> > shouldn't be too terribly hard to homebrew one of these things into a
> > shoeshine box, right?
>
> I have one of the same model as shown in the video (Livermore Data Systems
> model A). Component date codes in mine are 1969/70, the 1964 suggestion may be
> a little early, but I guess it depends on how long they were producing them
> for. Very elaborate woodwork for the task (solid teak or walnut with dovetail
> joints) but I suppose the wood case had some acoustic advantages. 13 transistors.
>
> (pedantic: His technical description was a little off, it's FSK, not an
> 'interrupted' tone.)
>
> Does anyone know if the frequencies for the 110 and 300 baud modem standards
> were the same or different?
>
>
> ------------------------------
>
> Message: 12
> Date: Thu, 28 May 2009 19:10:56 -0400
> From: Dave McGuire <mcguire at neurotica.com>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID: <49D46435-DFCF-45CE-8D53-6ED0F8960961 at neurotica.com>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
> On May 28, 2009, at 7:04 PM, Eric Smith wrote:
> >> It certainly is of interest. I'd like to get one of those for
> >> myself. It shouldn't be too terribly hard to homebrew one of
> >> these things into a shoeshine box, right?
> > "Pennywhistle", Popular Electronics, March 1976.
> >
> > If you don't really need a design that old, you might be able to
> > find a TMS99532 or Am7910 FSK modem chip.
>
> An eBay seller has a number of TMS99532s available at $2.75/ea,
> item # 110376664450.
>
> -Dave
>
> --
> Dave McGuire
> Port Charlotte, FL
>
>
>
> ------------------------------
>
> Message: 13
> Date: Thu, 28 May 2009 16:56:03 -0700
> From: "Chuck Guzis" <cclist at sydex.com>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID: <4A1EC223.26567.353D6FFC at cclist.sydex.com>
> Content-Type: text/plain; charset=US-ASCII
>
> On 28 May 2009 at 16:29, Fred Cisin wrote:
>
> > We saw him dial, and put the handset into the cradle, but he did NOT
> > shut the lid. The notch is there for a reason. If you don't close
> > the lid, ambient noise, such as a nearby printer or 026, can be a
> > problem.
>
> Yeah Fred, but a modern laptop isn't nearly as noisy as an ASR33! I
> don't recall Silent 700 terminals having any such lid on the acoustic
> coupler.
>
> --Chuck
>
>
>
> ------------------------------
>
> Message: 14
> Date: Thu, 28 May 2009 18:00:18 -0700
> From: "Chuck Guzis" <cclist at sydex.com>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID: <4A1ED132.7480.35780B86 at cclist.sydex.com>
> Content-Type: text/plain; charset=US-ASCII
>
> On 28 May 2009 at 19:10, Dave McGuire wrote:
>
> > > If you don't really need a design that old, you might be able to
> > > find a TMS99532 or Am7910 FSK modem chip.
> >
> > An eBay seller has a number of TMS99532s available at $2.75/ea,
> > item # 110376664450.
>
> I don't recall what the Pennywhistle used. Was it NE567s or am I
> thinking of another hobbyist modem design?
>
> --Chuck
>
>
>
>
> ------------------------------
>
> Message: 15
> Date: Thu, 28 May 2009 19:51:35 -0500
> From: John Foust <jfoust at threedee.com>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: <cctalk at classiccmp.org>
> Message-ID: <6.2.3.4.2.20090528194927.08c868f0 at mail.threedee.com>
> Content-Type: text/plain; charset="us-ascii"
>
> At 03:38 PM 5/28/2009, Chuck Guzis wrote:
> >On 28 May 2009 at 15:56, Golan Klinger wrote:
> >> "1964 Antique MODEM Live Demo"
> >> <http://www.youtube.com/watch?v=X9dpXHnJXaE>
> >
> >This brought up the question of "whatever happened to all of the gray
> >Bell Dataphones? (e.g. 401E). They used to be as common as
> >cockroaches. I haven't seen one in many years.
>
> A while back I mentioned my Anderson Jacobson ADC 300:
>
> http://www.classiccmp.org/pipermail/cctalk/2000-October/159208.html
>
> It looks like:
>
> http://www.computerhistory.org/collections/accession/102635865
>
> - John
>
>
>
> ------------------------------
>
> Message: 16
> Date: Thu, 28 May 2009 21:15:00 -0400
> From: Dave McGuire <mcguire at neurotica.com>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID: <FCABA958-F8CF-4CFC-959D-01EF6FC92ADE at neurotica.com>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
> On May 28, 2009, at 9:00 PM, Chuck Guzis wrote:
> >>> If you don't really need a design that old, you might be able to
> >>> find a TMS99532 or Am7910 FSK modem chip.
> >>
> >> An eBay seller has a number of TMS99532s available at $2.75/ea,
> >> item # 110376664450.
> >
> > I don't recall what the Pennywhistle used. Was it NE567s or am I
> > thinking of another hobbyist modem design?
>
> I honestly don't recall, but I seem to recall their having been
> more components than a TMS99532-based design would require.
>
> -Dave
>
> --
> Dave McGuire
> Port Charlotte, FL
>
>
>
> ------------------------------
>
> Message: 17
> Date: Thu, 28 May 2009 21:26:39 -0400
> From: William Donzelli <wdonzelli at gmail.com>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID:
> <e1d20d630905281826i19858efj140d9ce4e39a11cb at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> > ?I honestly don't recall, but I seem to recall their having been more
> > components than a TMS99532-based design would require.
>
> It was a Motorola CMOS part - 14412?
>
> --
> Will
>
>
> ------------------------------
>
> Message: 18
> Date: Thu, 28 May 2009 21:33:23 -0400
> From: Dave McGuire <mcguire at neurotica.com>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID: <64959316-DD3D-402B-8B8E-2248580C07E4 at neurotica.com>
> Content-Type: text/plain; charset=US-ASCII; format=flowed
>
> On May 28, 2009, at 9:26 PM, William Donzelli wrote:
> >> I honestly don't recall, but I seem to recall their having been more
> >> components than a TMS99532-based design would require.
> >
> > It was a Motorola CMOS part - 14412?
>
> Wasn't that a baud rate generator? Or is that the 14411?
>
> -Dave
>
> --
> Dave McGuire
> Port Charlotte, FL
>
>
>
> ------------------------------
>
> Message: 19
> Date: Thu, 28 May 2009 18:47:22 -0700
> From: "Chuck Guzis" <cclist at sydex.com>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID: <4A1EDC3A.11304.35A35271 at cclist.sydex.com>
> Content-Type: text/plain; charset=US-ASCII
>
> On 28 May 2009 at 21:33, Dave McGuire wrote:
>
> > On May 28, 2009, at 9:26 PM, William Donzelli wrote:
> > >> I honestly don't recall, but I seem to recall their having been
> > >> more
> > >> components than a TMS99532-based design would require.
> > >
> > > It was a Motorola CMOS part - 14412?
> >
> > Wasn't that a baud rate generator? Or is that the 14411?
>
> I do recall that a friend built the PW and reported to me that he
> thought it was the worst modem he'd ever used. I was happily using
> my scavenged-from-a-TI-terminal modem. I mounted it with a small
> power supply in one of those hammertone Bud aluminum utility boxes--
> and used a 4-conductor "Jones plug" for the signal lines.
>
> --Chuck
>
>
>
>
> ------------------------------
>
> Message: 20
> Date: Thu, 28 May 2009 19:08:32 -0700 (PDT)
> From: Gene Buckle <geneb at deltasoft.com>
> Subject: Re: VT-6 kit (was Re: Making vintage computers)
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID:
> <alpine.LFD.1.10.0905281859530.10323 at grumble.deltasoft.com>
> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
>
> On Thu, 28 May 2009, Bob Bradlee wrote:
>
> >
> > Google 7 inch color display and you will find a bunch of choices.
> > assuming LCT is close enough.
> > 7
color CRT are a bit harder to find but theye are around.
> >
> I've NEVER seen a 7" color VGA display. I'd hoped I was just looking in
> the wrong places.
>
> > an ebay search of 7 color tv came up with a few choices.
> >
> Actually, no choices. LCDs are by and large formatted for a 16:9 aspect
> ratio. This means that a display that's the correct width will be too
> narrow to properly fill the vertical space in the MPCD bezel. The
> original tube is still available, but the supplier wants $5000.00 for it.
> It's a 1:1 aspect ratio tube with a resolution of 512x512.
>
> g.
>
> --
> Proud owner of F-15C 80-0007
> http://www.f15sim.com - The only one of its kind.
>
> ScarletDME - The red hot Data Management Environment
> A Multi-Value database for the masses, not the classes.
> http://www.scarletdme.org - Get it _today_!
>
>
> ------------------------------
>
> Message: 21
> Date: Thu, 28 May 2009 21:51:00 -0800
> From: N0body H0me <n0body.h0me at inbox.com>
> Subject: RE: An ebay bargain (I hope!)
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID: <DF58630CEA8.000001BEn0body.h0me at inbox.com>
> Content-Type: text/plain; charset=US-ASCII
>
>
> IN my experience, the 9010's logic probe is a kinda
> critical item. When 9010's and related paraphernalia
> are surplussed out, the logic probes have this nasty
> tendency to vanish.
>
> You can do alot of good testing with a 9010 and a pod for
> your target system, but you really won't be able to fix
> anything that's broke (besides memory faults) w/o the
> probe.
>
> They can get kinda pricey . . . .
>
> > -----Original Message-----
> > From: hp-fix at xs4all.nl
> > Sent: Thu, 28 May 2009 19:06:19 +0200
> > To: cctalk at classiccmp.org
> > Subject: RE: An ebay bargain (I hope!)
> >
> > Sorry my fault, I was confused I own a Fluke 9100A and a 9105A where the
> > 9100 has the harddisk and the 9105A not.
> > For those machines I got the pods, docs and the firm- and software files.
> > I do have somewhere a 9010 logicprobe.
>
>
> ------------------------------
>
> Message: 22
> Date: Thu, 28 May 2009 20:40:40 -1000
> From: Warren Wolfe <lists at databasics.us>
> Subject: Re: 1964 Antique MODEM Live Demo
> To: General Discussion: On-Topic and Off-Topic Posts
> <cctalk at classiccmp.org>
> Message-ID: <4A1F8368.1010107 at databasics.us>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Chuck Guzis wrote:
> > On 28 May 2009 at 16:29, Fred Cisin wrote:
> >
> >
> >> We saw him dial, and put the handset into the cradle, but he did NOT
> >> shut the lid. The notch is there for a reason. If you don't close
> >> the lid, ambient noise, such as a nearby printer or 026, can be a
> >> problem.
> >>
> >
> > Yeah Fred, but a modern laptop isn't nearly as noisy as an ASR33! I
> > don't recall Silent 700 terminals having any such lid on the acoustic
> > coupler.
>
> The ASR I used in high school, and the one I bought, both had acoustic
> couplers that had rubber seals around both sides, and fit a Western
> Electric simple phone precisely. As a matter of fact, when you would
> remove the phone, it would make a sucking kind of 'pop' noise when the
> phone came out of the cradle. There was no lid involved. A picture of
> one of these beasts prior to restoration is available at:
>
> http://www.pdp8.net/asr33/pics/old_front.shtml?large
>
> The rubber cups are missing, though...
>
>
> Warren
>
>
> ------------------------------
>
> Message: 23
> Date: Fri, 29 May 2009 08:23:04 -0400
> From: Ethan Dicks <ethan.dicks at gmail.com>
> Subject: Re: VT-6 kit
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Message-ID:
> <f4eb766f0905290523x746cf9w30ab79e7119eae84 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On Fri, May 29, 2009 at 2:36 AM, bfranchuk at jetnet.ab.ca
> <bfranchuk at jetnet.ab.ca> wrote:
> > PS. Still wondering ... did a VT220 work with a PDP8 running OS/8?
>
> Yes. I did it in the 1980s (in large part because the VT220 had 20mA
> built-in). I don't remember the terminal settings, though.
>
> What did not work was the VTEDIT TECO macro. There's something
> inexact about the VT52 emulation in a VT220. The cheapest solution at
> the time was to get a real VT52 (about $50 to buy and $30 to ship).
> That's what I did.
>
> If you are just doing rather ordinary things with OS/8, a VT220 should
> work just fine.
>
> -ethan
>
>
> End of cctech Digest, Vol 69, Issue 48
> **************************************
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