-Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Tothwolf
> Sent: Sunday, August 30, 2015 1:57 AM
> To: General Discussion: On-Topic and Off-Topic Posts
>
> Subject: Re: IBM 1620
>
> On Sat, 29 Aug 2015, Paul Koning wrote:
> > On Aug 29, 2015, at 12:3
On 2015-08-30 03:48, drlegendre . wrote:
Have the prices for 2600 E.T. carts climbed over the years, or is these
buyers paying a premium to own a "Genuine landfill ATARI E.T. game,
complete with certificate of authenticity" etc.?
Thing is, the article mentions only a few hundred carts. Rumor had
Hi Lukas,
Shipping is certainly possible but expensive, the 4000 plus a decent sized
packing box will be around 10kg so a rough guess would be ukp45/€62. If that
doesn't sound too bad I can box it up next week and let you know.
Cheers
Adrian
On 01/08/2015 11:29, "Lukas Kaminski" wrote:
> Hi,
> On Aug 30, 2015, at 4:49 AM, Dave G4UGM wrote:
>
> ...
>> IBM had special machines to
>> position and thread them.
>> http://ibm-1401.info/IBMCoreArraysIEEEMagnetics1969.pdf
Interesting. I remember learning about the processes DEC used. No fancy
machines, just a flat plate jig with slots t
Jules Richardson writes:
> Yes, it's a desktop system.
There's a news article about the FX series of machines in "Electronics
and Power", January 1983, p89:
http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=5186775
"They will be IBM compatible, and will offer built-in
local-area-networking ca
On 8/30/15 12:50 AM, Henk Gooijen wrote:
-Oorspronkelijk bericht- From: Guy Sotomayor Sent: Sunday,
August 30, 2015 7:05 AM To: General Discussion: On-Topic and Off-Topic
Posts Subject: MEM11 Status Update
[... snip ...]
The biggest piece of work remaining on the emulator will be emul
On 8/30/15 8:45 AM, Guy Sotomayor wrote:
On 8/30/15 12:50 AM, Henk Gooijen wrote:
-Oorspronkelijk bericht- From: Guy Sotomayor Sent: Sunday,
August 30, 2015 7:05 AM To: General Discussion: On-Topic and
Off-Topic Posts Subject: MEM11 Status Update
[... snip ...]
The biggest piece of
On Sun, 30 Aug 2015, Dave G4UGM wrote:
On Sat, 29 Aug 2015, Tothwolf wrote:
IBM had special machines to position and thread them.
http://ibm-1401.info/IBMCoreArraysIEEEMagnetics1969.pdf
Thanks for posting that. Very interesting. Looking at it, the machines are
extremely complex, but I am sure
> On Aug 30, 2015, at 9:28 AM, Dave G4UGM wrote:
>
>> ...
>> Interesting. I remember learning about the processes DEC used. No fancy
>> machines, just a flat plate jig with slots to hold the cores in their
> correct
>> position, and nimble-fingered Oriental ladies to thread the wire through
>
On 08/29/2015 04:10 PM, Steve Hunt wrote:
I'm guessing this is it:
http://www.sekaimon.com/i361201143538
Scroll down to find the images of a desktop unit. The pics look just
like an FX31 that was advertised on ebay.co.uk earlier on this year.
Yes, that's the critter!
On 08/30/2015 08:54 AM, Adam Sampson wrote:
Jules Richardson writes:
Yes, it's a desktop system.
There's a news article about the FX series of machines in "Electronics
and Power", January 1983, p89:
Thanks for all the info - I've passed it on to the guy who has the machine.
He's going to
There are some really, really, really pedantic Atari people who may correct
you on some of the details. Regardless, this is an extraordinarily silly
situation, akin to selling cut up squares of blankets from hotel rooms The
Beatles stayed in. I don't think it's wise to derive any conclusion or
insi
On 08/30/2015 09:47 AM, Tothwolf wrote:
If repair of the core memory in CHM's IBM 1620 is ever attempted, I
think either low-tin solder alloy with 1-2% added copper or possibly
a more modern indium-lead solder alloy would probably be the best
choice for the enamel wire to terminal connections si
I wrote:
> Don't bother. There's nothing interesting in Area 51 any more; due to
> all the publicity Area 51 has gotten, they've long since moved all the
> good stuff to Area 52, which still has a low profile.
On Sat, Aug 29, 2015 at 12:32 PM, Toby Thain wrote:
> I know you're just being witty, b
> On Aug 30, 2015, at 1:55 PM, Chuck Guzis wrote:
>
> On 08/30/2015 09:47 AM, Tothwolf wrote:
>
>> If repair of the core memory in CHM's IBM 1620 is ever attempted, I
>> think either low-tin solder alloy with 1-2% added copper or possibly
>> a more modern indium-lead solder alloy would probably
On 08/30/2015 11:15 AM, Paul Koning wrote:
So there'd be what, 120,000 cores to thread? That might be a bit
daunting from a human-hour standpoint. I'll wager that 120K cores
wasn't even a day's output for outfits like Fabritek.
Those cores weren't threaded one by one. You'd start by setting
>
> How might a collector discern a "landfill" E.T. cart from any other
> E.T.
> cat that some snarky guy buried in the clay of his back forty?
Not that I am expert or anything but my understanding is that the ET cart is
extremely rare to begin with. In fact the landfill collection is the larges
> I am trying to identify why my IBM 5151 display has no picture when
> connected to a normal MDA card in a IBM PC 5150. So armed with an
> oscilloscope, digital multi-meter and the SAMS Computerfacts for it I
> started to investigate. First, the card does send out signal and that
> signal does re
On Sun, Aug 16, 2015 at 11:18 AM, Earl Evans wrote:
> > Sorry guys, I dropped the ball on this. I've been doing a bunch of
> > transitioning and ended up working on a number of other projects - and
> > completely forgot about TSX.
> >
> > This discussion is prodding me to finish my half done webs
> On Aug 30, 2015, at 2:34 PM, Chuck Guzis wrote:
>
> ...
> I have heard of machine-fabricated core as well, but I thought that it only
> applied to larger, slower bulk core store. One can certainly understand why
> plated-wire or thin-film technologies were attractive.
Perhaps CDC's ECS? 1
On 08/30/2015 12:15 PM, Paul Koning wrote:
Perhaps CDC's ECS? 125k (funny number that) words per memory bank.
Possibly. We used a lot of it in SSD. 4MW installations were not
uncommon, shared among 2-4 mainframes. As I recall, core errors were
not treated the same way as CM--part of dead
> A quick search of eBay would correct your 'understanding'. There are
> dozens of copies for sale, many with boxes and manuals. They start at
> about $5.00.
I stand corrected.
>
> The game is very common, and generally considered worthless. It's a
> joke, possibly the "worst video game ever ma
On 2015-08-30 22:19, Ali wrote:
A quick search of eBay would correct your 'understanding'. There are
dozens of copies for sale, many with boxes and manuals. They start at
about $5.00.
I stand corrected.
:-)
The game is very common, and generally considered worthless. It's a
joke, possibly t
On 08/30/2015 03:04 PM, Chuck Guzis wrote:
PCB design was also a specialty, what with mylar film,
tape, white-out and India ink and, of course, an X-acto
knife. The best people at this seemed to be from the Far
East. Done probably at 4X scale, then reduced for
production.
Yup, back in th
Even the unsold copies ended up getting purchased at the Atari liquidation
firesale and there are people still selling them NIB cheap. The ET cart can
be had for $2 (one of the cheapest)
http://www.atari2600.com/ccp7/ecom-prodshow/ET-The-Extra-Terrestrial-PROD375.html
-Original Message---
It was thus said that the Great drlegendre . once stated:
>
> The game [E.T.] is very common, and generally considered worthless. It's a
> joke,
> possibly the "worst video game ever made" - up there with Superman 64 for
> N64.
I would think it depends upon your criteria for "worst video game
Someone went through E.T. and fixed a lot of the bugs and oversights,
releasing an improved version. It's playable here:
https://archive.org/details/ET_Fixed_Final
On Sun, Aug 30, 2015 at 5:54 PM, Sean Conner wrote:
> It was thus said that the Great drlegendre . once stated:
> >
> > The game [E
On 08/30/2015 11:08 AM, Jules Richardson wrote:
On 08/28/2015 12:08 PM, Evan Koblentz wrote:
We're thinking about building that kind of "deyellowing station" in
the MARCH warehouse.
Hmm, single UV lamp, couple of stepper motors and a couple of
circular tracks, one set at right angles to the ot
On Sun, 30 Aug 2015, Chuck Guzis wrote:
On 08/30/2015 11:15 AM, Paul Koning wrote:
So there'd be what, 120,000 cores to thread? That might be a bit
daunting from a human-hour standpoint. I'll wager that 120K cores
wasn't even a day's output for outfits like Fabritek.
Those cores weren't th
On Sun, 30 Aug 2015, Chuck Guzis wrote:
On 08/30/2015 09:47 AM, Tothwolf wrote:
If repair of the core memory in CHM's IBM 1620 is ever attempted, I
think either low-tin solder alloy with 1-2% added copper or possibly
a more modern indium-lead solder alloy would probably be the best
choice for t
On Sun, 30 Aug 2015, Paul Koning wrote:
On Aug 30, 2015, at 1:55 PM, Chuck Guzis wrote:
On 08/30/2015 09:47 AM, Tothwolf wrote:
If repair of the core memory in CHM's IBM 1620 is ever attempted, I
think either low-tin solder alloy with 1-2% added copper or possibly a
more modern indium-lead so
On 8/30/2015 6:32 PM, Tothwolf wrote:
On page 5, they describe 0.0031" 40 AWG magnet wire being reduced to
0.002" after soldering with 60/40 tin-lead solder. That 0.0011"
reduction is basically 1/3 of the diameter of the wire. This explains
the failures of the enamel wires in CHM's IBM 1620.
Co
On Sun, 30 Aug 2015, Chuck Guzis wrote:
On 08/30/2015 11:08 AM, Jules Richardson wrote:
On 08/28/2015 12:08 PM, Evan Koblentz wrote:
We're thinking about building that kind of "deyellowing station" in
the MARCH warehouse.
Hmm, single UV lamp, couple of stepper motors and a couple of circular
On Sun, 30 Aug 2015, ben wrote:
On 8/30/2015 6:32 PM, Tothwolf wrote:
On page 5, they describe 0.0031" 40 AWG magnet wire being reduced to
0.002" after soldering with 60/40 tin-lead solder. That 0.0011"
reduction is basically 1/3 of the diameter of the wire. This explains
the failures of the
On Sun, 30 Aug 2015, drlegendre . wrote:
On Sun, Aug 30, 2015 at 1:41 PM, Ali wrote:
How might a collector discern a "landfill" E.T. cart from any other
E.T. cat that some snarky guy buried in the clay of his back forty?
Not that I am expert or anything but my understanding is that the ET
c
On 08/30/2015 05:16 PM, Tothwolf wrote:
According to IBM's paper, extra cores were threaded initially and
used to replace any cores that tested bad during assembly. Any extras
were crushed after assembly to remove them.
I suspect there were also extra rows after shipment as well. I seem to
r
On 08/30/2015 05:55 PM, Tothwolf wrote:
Wrong type of UV. You are mostly getting long wave UVA outdoors, so
blacklight lamps would seem to be the correct (and MUCH safer) choice.
When I looked at 24" T8 bi-pin blacklight lamps, they were going for
about USD $10 per lamp.
Oh, but there's that a
On Sun, 30 Aug 2015, Chuck Guzis wrote:
On 08/30/2015 05:55 PM, Tothwolf wrote:
Wrong type of UV. You are mostly getting long wave UVA outdoors, so
blacklight lamps would seem to be the correct (and MUCH safer) choice.
When I looked at 24" T8 bi-pin blacklight lamps, they were going for
about
> > Do you mean no picture or no raster? To me the 'picture' is the video
> > modulation (that makes different bits of the screen light or dark). If you
> > turn up the brightness and contrast controls do you get any illumination on
> > the screen?
> The screen is entirely black no matter what I d
Probably old news to some, but I just ran into this 3 year old article. Gotta
dust off your Hercules:
http://www.computerhistory.org/atchm/the-apl-programming-language-source-code/
And also http://wotho.ethz.ch/mvt4apl-2.00/
paul
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