Totem pole outputs have comparable drive strength in both directions, that$
That's true for CMOS outputs. TTL outputs pull down much more strongly than$
Ok, but when you refer to drive strength I assumed you were talking about $
Maybe _rated_ current, but, even there, I don't think so (my TTL
A consideration with RS232 is that the signals swing to either side of 0, so$
It's been a while since I read the spec, but I think it's -3 to -20
volts one way and +3 to +20 the other, with the -3 to +3 range
deliberately left ambiguous. I think there are slew rate limits, too,
but I don't
On Wed, 19 Aug 2015, Sean Caron wrote:
At what point should historic preservationists be concerned with preserving
someone else's obsolescent business model?
At the point when those obsolescent businesses have lawyers that can put
you in prison and/or take away everything you've ever
From: Paul Koning paulkon...@comcast.net
...
Ok. RSTS does indeed check for duplicate vectors. It also checks for
devices interrupting at too high a priority.
It?s pretty neat code. Back in 1977 or so when that came out, it may
have been one of the first autoconfig systems, at least in
At what point should historic preservationists be concerned with preserving
someone else's obsolescent business model? Selling Xerox copies and burned
CDs ... and that's hard cash out of the pocket of every hobbyist that could
undoubtedly be better spent say, preserving actual equipment, than
Dear Group,
My name is Sue Skonetski I am a vintage Digital, Compaq and HP person and now
with VMS Software.
It is not a typo I am really looking for a VAX 9000.
Thanks,
Sue
Sue Skonetski
VP of Customer Advocacy
sue.skonet...@vmssoftware.com
Office: +1 (978) 451-0116
Mobile: +1 (603)
On Aug 19, 2015, at 3:33 PM, d...@mitton.com wrote:
From: Paul Koning paulkon...@comcast.net
...
Ok. RSTS does indeed check for duplicate vectors. It also checks for devices
interrupting at too high a priority.
It’s pretty neat code. Back in 1977 or so when that came out, it may
I guess if philistines want to pillage themselves, that is their sad
perogative ... but if releasing the entirety of Manuals Plus to the public
domain will break them, maybe they don't really have anything all that
unique after all?
Best,
Sean
On Wed, Aug 19, 2015 at 7:50 PM, William Donzelli
FYI, 2 double-beds only. No King beds.
Randy
On Aug 19, 2015, at 6:47 PM, Jason T silent...@gmail.com [chiclassiccomp]
chiclassicc...@yahoogroups.com wrote:
Hello all - I thought they did this weeks ago but the VCFMW hotel has
informed me that they still have the special rooms pricing
On Wed, 19 Aug 2015, Sean Caron wrote:
On Wed, Aug 19, 2015 at 7:50 PM, William Donzelli wdonze...@gmail.com wrote:
On Wed, 19 Aug 2015, Tothwolf wrote:
I have to disagree strongly with Will on this. There are quite a few
PDF manual dealers who honestly deserve to go out of business. Those
Eric All,
On Thu, Aug 20, 2015 at 10:16 PM, Eric Smith space...@gmail.com wrote:
Last week (...)
After a lot of pulling of hair, gnashing of teeth, and sacrificing a
chicken at midnight, I discovered that +5V pin in the connector that
plugs onto the switching power supply was not crimped
I have a PDP-8/A with a flaky RL8A (M8433) controller card. I can't track
the fault down. I've spent enough hours on it by now that I'd just as soon
buy another one.
Anyone have one to sell? Or possibly could repair mine (for compensation)?
thanks
Charles
Re: Degaussing floppies.
Only part of degaussing a floppy is getting a strong enough degausser--I
use on made for wiping VHS carts--it gets very hot after only about 3
minutes of use and the thermal cutout belays my impatience until it
cools off. So it's definitely not wimpy.
However, to
Weirdstuff recently received the following:
(2) Magnum 4000SC-50 mips systems
(2) RS 2030 mips systems
Look clean (from the outside)...
Contact Jim if you're interested in them.
Usual disclaimer: I have no relationship with Weirdstuff other than as a
client. I receive no remuneration for
OK, interesting defense of private property and while I'm a socialistic
kind of guy I'm not going to argue with you the fundamental right to
private property but my consideration is, while some vendor may own one
particular dead trees incarnation of a manual, they don't own the IP
rights to the
I guess if philistines want to pillage themselves, that is their sad
perogative ... but if releasing the entirety of Manuals Plus to the public
domain will break them, maybe they don't really have anything all that
unique after all?
You are missing the point.
They may view releasing the
They reuse numbers for what I call marketing numbers. For example,
with a LaserJet 8150dn, the 8150 is a marketing number and not the
actual HP product number, which was C4267A. As far as I know they've
never actually reused a product number.
The same occurs with IBM type numbers and
On Aug 20, 2015 6:43 PM, Fred Cisin ci...@xenosoft.com wrote:
On Thu, 20 Aug 2015, Chuck Guzis wrote:
But yeah, I'd hate to run up against BillG in a spat over appropriating
his Altair BASIC. He could squash me like a bug with his legal resources.
I recall that other outfits stealing his code
On 08/20/2015 06:44 PM, william degnan wrote:
Gates does not care about personal use of MITS software, be
realistic. B
So--ask. I don't presume to read the minds of others.
--Chuck
We are currently running TCP/IP Services 5.1 under OpenVMS 7.3 on the museum's
VAX-11/780-5. The telnet listener has a known issue which is fixed in v5.3,
but we have not been able to locate this (we've asked in the right places).
Was this on a ConDist platter? Or was it made available in some
Date: Thu, 20 Aug 2015 13:57:05 -0700
From: ccl...@sydex.com
To: gene...@classiccmp.org; classiccmp.org:On-Topic and Off-Topic Posts
cctalk@classiccmp.org
Subject: Re: 5.25 floppies that read but don't write
On 08/20/2015 01:04 PM, Marc Verdiell wrote:
So I tried to force
On Aug 20, 2015 10:08 PM, Chuck Guzis ccl...@sydex.com wrote:
On 08/20/2015 06:44 PM, william degnan wrote:
Gates does not care about personal use of MITS software, be
realistic. B
So--ask. I don't presume to read the minds of others.
Chuck..allow me to posit an alternative view
Be it
What follows is a tale of carelessness, stupidity and laziness. So far,
I haven't found an excuse to add ignorance to the list. ;) As you may
recall, I was testing an 8 floppy drive that was reading inconsistently
on an Altos 8000 system, when, while testing with a replacement drive,
the 24V
On Thu, 8/20/15, Mouse mo...@rodents-montreal.org wrote:
Maybe _rated_ current, but, even there, I don't think so (my TTL
doc hasn't been unpacked yet, or I'd go check, but I'm fairly sure
they are generally specced to sink more current to GND
than source from Vcc).
It so happens I have a
I assume all the 8K, 4K BASICs are in public domain by now. The demo
for the kids will be the 15 minutes of paper tape, followed by READY.
Bad assumption. Things that were actually registered even if there was
no notice, or published with a copyright notice would still be protected
under
On Thu, 8/20/15, Fred Cisin ci...@xenosoft.com wrote:
On Thu, 20 Aug 2015, Mouse wrote:
Copyright violation is not theft. (That doesn't make it OK. I just
get so sick of people tossing around emotionally loaded words like
theft and stealing when discussing copyright violation I feel it
Location?
Messaggio originale
Da: Julian Wolfe jul...@twinax.org
Data:20/08/2015 15:44 (GMT+01:00)
A: General Discussion: On-Topic and Off-Topic Posts cctalk@classiccmp.org
Oggetto: DECdatasystem 534 (11/34) and VT52 for sale at VCF Midwest 10
I will be selling my
On Aug 20, 2015, at 09:54 , Paul Koning paulkon...@comcast.net wrote:
Ok, but when you refer to drive strength I assumed you were talking about
current, not voltage. By that measure totem pole outputs are pretty much
symmetrical.
Again, CMOS totem pole outputs are pretty much
On Aug 20, 2015, at 1:40 PM, Mouse mo...@rodents-montreal.org wrote:
If someone sells property he owns, you have a choice: you can spend your mon$
True. Also irrelvant; those selling PDFs are not selling their
property, and the ways in which those selling papers manuals are are
not
On 8/20/2015 9:47 AM, Paul Koning wrote:
On Aug 20, 2015, at 10:30 AM, Jay Jaeger cu...@charter.net wrote:
On 8/20/2015 3:32 AM, Randy Dawson wrote:
Who picked this up -
I may have some cash for the buyer to mate it with my new ASR33, on its way
via crate and freight.
Anybody got
On Aug 20, 2015 12:37 PM, supervinx superv...@libero.it wrote:
Location?
Near Chicago, Illinois, USA.
On Thu, Aug 20, 2015 at 10:24 AM, Al Kossow a...@bitsavers.org wrote:
What he has done is ripped off the content while NEVER agreeing to be one
of the mirrors, freezing
what he took and attempting to cluelessly make it 'accessable' burying it
in something impossible for
anyone ELSE to
On 08/20/2015 10:48 AM, Fred Cisin wrote:
So, the only hope for something published in the last half century to
be public domain now would be if it were explicitly placed in public
domain, or were originally published without notice before 1978.
It used to be (and maybe still is) acceptable
On Aug 19, 2015, at 11:40 PM, dwight dkel...@hotmail.com wrote:
I think the main issue is that TTL is usually a weak pullup and a hard
pulldown.
RS 232 levels are equal up and down.
That depends. Open collector outputs, yes, but those are the less common case.
Totem pole outputs have
On Aug 19, 2015, at 3:28 PM, Sean Caron sca...@umich.edu wrote:
At what point should historic preservationists be concerned with preserving
someone else's obsolescent business model? Selling Xerox copies and burned
CDs ... and that's hard cash out of the pocket of every hobbyist that could
At least, under Google and eBay, one can add exclusionary terms:
hp 9100 -printer -scanner
Seems to do pretty well under Google. Under eBay I had to add a lot
more exclusions, and ran out of room.
JRJ
On 8/20/2015 7:11 AM, tony duell wrote:
They reuse numbers for what I call marketing
On Aug 20, 2015, at 10:30 AM, Jay Jaeger cu...@charter.net wrote:
On 8/20/2015 3:32 AM, Randy Dawson wrote:
Who picked this up -
I may have some cash for the buyer to mate it with my new ASR33, on its way
via crate and freight.
Anybody got debug and startup tips on the 33, it
Wow, I have just looked at the manuals collection at the Internet Archive site.
I honestly can say I don't like it, but I will say it is because this is not
how my mind works in organizing stuff. I am immediately turned off by the
tiling of 'cards on the screen and the categorizing of
On Aug 19, 2015, at 11:37 PM, Fred Cisin ci...@xenosoft.com wrote:
On Wed, 19 Aug 2015, Paul Koning wrote:
Reminds me of a guy who sold US military aircraft flight manual scans, with
his copyright notice on every page. Never mind that such things are in
the public domain by law.
The
I will be selling my DECdatasystem 534 and VT52 at the show. Cabinet rack,
72x24x26.11/34a, 32kW of core and A/D+D/A cards. System runs fine and
drops to a console prompt, and passes all the diags I've been able to throw
at it. I've restored all the foam filters and the cabinet was pressure
washed
On Thu, 20 Aug 2015, william degnan wrote:
Gates does not care about personal use of MITS software, be
realistic. B
. . .
Be it right or wrong to use an unlicensed copy...Even back in 1976 MSOFT to
my knowledge did not pursue legal action against end users for violation of
its BASIC license,
On Thu, Aug 20, 2015 at 9:01 PM, dwight dkel...@hotmail.com wrote:
If you are really interested in creating 360K disk, you must have a 360Kdrive.
And beyond that, sometimes trying to format or write to a 360K (48
TPI) disk in a 1.2M (96 TPI) drive does appear to work, and may even
appear to read
Be it right or wrong to use an unlicensed copy...Even back in 1976
MSOFT to my knowledge did not pursue legal action against end users
for violation of its BASIC license, so why in 2015 presume MSOFT
would start now? To be honorable it would not hurt to send a letter
to the Living History
On 8/20/2015 10:16 PM, Eric Smith wrote:
It turns out that even though this bizarre variant of the 9406 uses
the Shugart pinout for the data connector instead of the MPI pinout,
and uses the same DC power connector as the Shugart, instead of the
header used in normal MPI 9406 drives, the DC
Last week I wanted to test some half-height eight-inch double-sided
drives (NEC, Mistubishi, and Qume) on the Quay 900. I cabled a
Mitsubishi drive in place of the original CDC/MPI 9406 77618022
drives, and the machine apparently wouldn't reset properly, since I
wasn't getting the prompt from my
On 08/20/2015 01:04 PM, Marc Verdiell wrote:
So I tried to force formatting in DOS at 360k, and sure enough it
worked! I can then read the diskette back, write on it, etc... And of
course it failed formatting at 1.2 Mb. But the drive (Chinon FR-506)
is a 1.2M one, and reads fine at 1.2M! Any
Working on my vt50 yesterday. 50 and 52's are nice giant glass terminal
replacements to asr33. From the perspective of the teletype small, zenith
19 or vt100, huge! The last great old school terminal.
Bill Degnan
twitter: billdeg
vintagecomputer.net
On Aug 20, 2015 3:02 PM, Jason T
On Thu, Aug 20, 2015 at 3:54 PM, Marc Verdiell marc.verdi...@gmail.com wrote:
On 2015-Aug-19, at 3:58 PM, William Donzelli wrote:
. . .
In fact, due to your time constraints, I would not bother with the HP,
Tek, or Heathkit manuals at all
. . .
Gosh, please don't do that! What a terrible
On Thu, Aug 20, 2015 at 4:28 PM, Al Kossow a...@bitsavers.org wrote:
On 8/20/15 10:48 AM, Jason Scott wrote:
I'll answer the questions about the Internet Archive's presenting of
bitsavers when I calm down
You're right. This is the last post I'm going to make on this. What
happened
has
I do have my MITS Basic license, so..
Bill Degnan
twitter: billdeg
vintagecomputer.net
On Aug 20, 2015 2:48 PM, Jay Jaeger cu...@charter.net wrote:
On 8/20/2015 9:47 AM, Paul Koning wrote:
On Aug 20, 2015, at 10:30 AM, Jay Jaeger cu...@charter.net wrote:
On 8/20/2015 3:32 AM,
On Thu, Aug 20, 2015 at 5:09 PM, William Donzelli wdonze...@gmail.com
wrote:
When someone, Jason in this case, is presented with a huge rescue
effort and a severe time constraint, the first thing to do is sit down
and think things in a practical manner. There is a lot to think about,
but one
I suppose they started to use the term due to the sea of information that
actually is internet, but technically the act of copying a software is
closer to making good fake copies of an item ( bags, shoes, etc ), at least
this is my personal view
That's usually called forgery
Not really.
On Thu, Aug 20, 2015 at 10:54 AM, Paul Koning paulkon...@comcast.net wrote:
Ok, but when you refer to drive strength I assumed you were talking about
current, not voltage. By that measure totem pole outputs are pretty much
symmetrical.
Not for true (bipolar) TTL. See the specs for the
Maybe, but originally the copies were , by example, printed cds with
reproduced labels and so on. Weren't those forgeries ?
-Messaggio originale-
Da: cctalk [mailto:cctalk-boun...@classiccmp.org] Per conto di tony duell
Inviato: giovedì 20 agosto 2015 21:12
A: General Discussion: On-Topic
On 2015-Aug-19, at 3:58 PM, William Donzelli wrote:
. . .
In fact, due to your time constraints, I would not bother with the HP,
Tek, or Heathkit manuals at all
. . .
Gosh, please don't do that! What a terrible piece of advice. A large portion
of the HP manuals are unavailable, and HP
Gosh, please don't do that! What a terrible piece of advice. A large portion
of the HP manuals are unavailable, and HP doesn't have them either. I have
been looking for the operating and service manual for the HP 12050A (HPIB
fiber optics extension) in vain. Couldn't find the one for the HP 7225B
Scan it all. Release it all. Set it free.
Eventually.
--
Will
Whatever the motivation of the mirror operator, if you put it on the
web it's public and control is lost.
Not to worry - If your web site organizational structure is superior,
over time people will figure it out and ignore those who are out-dated
or less complete. Content is King
Most of us
Following Chuck's advice, I scoped out the pin 22 and 24 (write data and
write gate) on the floppy, and they looked fine. Then being curious, I
managed to figure out what the write wire for Head 0 was. And I discovered I
got nice matching writing pulses at 300 kHz (formatting at 360k density),
but
Technically I fear is not an accurate terminology. Pirates used to roam the
seas and use weapons to steal valuables or kidnap for ransom, or pillage.
I suppose they started to use the term due to the sea of information that
actually is internet, but technically the act of copying a software is
* tony duell a...@p850ug1.demon.co.uk [150820 15:14]:
[..SNiP..]
For example, if you wrote an 8080 BASIC with lots of bugs, with many functions
missing, etc, and then tried to pass it off as the Microsoft BASIC that would
be forgery I think.
Whereas if you wrote an x86/x64 OS with lots of
On 8/20/15 10:48 AM, Jason Scott wrote:
I'll answer the questions about the Internet Archive's presenting of
bitsavers when I calm down
You're right. This is the last post I'm going to make on this. What happened
has happened, I'm not happy the way IA has presented my work, but there isn't
Something non-technical from me for a change.
Most of you in the UK will have come across 'Really Useful Boxes' and probably
use them for storing
cables, screws, etc (I wish they made anti-static ones ;-)). Anyway what I
hadn't realised until today is
that the 3 litre size is just the right
On Aug 20, 2015, at 3:40 PM, Eric Smith space...@gmail.com wrote:
On Thu, Aug 20, 2015 at 10:54 AM, Paul Koning paulkon...@comcast.net wrote:
Ok, but when you refer to drive strength I assumed you were talking about
current, not voltage. By that measure totem pole outputs are pretty much
I suppose they started to use the term due to the sea of information that
actually is internet, but technically the act of copying a software is
closer to making good fake copies of an item ( bags, shoes, etc ), at least
this is my personal view
That's usually called forgery
On Thu, 20 Aug
Welcome to Classiccmp Sue. For those that don't know her, she's legit.
Unfortunately I don't know of anyone here with a VAX 9000.
Zane
On Aug 19, 2015, at 5:48 PM, Sue Skonetski sue.skonet...@vmssoftware.com
wrote:
Dear Group,
My name is Sue Skonetski I am a vintage Digital, Compaq
Hi Sue
I think there might be one in Hungary. And that Ákos hamster Varga
might be the person to talk to: hams...@hampage.hu
http://informatikatortenet.network.hu/kepek/szegeden_epul_az_uj_szamitogep_torteneti_muzeum/az_1989es_vax_9000_mainframe_egy_darabja
I'm of course _very_ curious why you
On Aug 20, 2015, at 11:58 AM, Mark J. Blair n...@nf6x.net wrote:
On Aug 20, 2015, at 06:27, Paul Koning paulkon...@comcast.net wrote:
Totem pole outputs have comparable drive strength in both directions, that's
precisely their purpose (to provide symmetric rise/fall times when driving
A consideration with RS232 is that the signals swing to either side of 0, so
if you use an LED
referenced to 0, it either needs a series diode or a sufficiently high
reverse voltage rating.
A diode in inverse parallel with the LED Is more normal when you want to run an
LED off
On Aug 20, 2015, at 06:27, Paul Koning paulkon...@comcast.net wrote:
Totem pole outputs have comparable drive strength in both directions, that's
precisely their purpose (to provide symmetric rise/fall times when driving
capacitive loads).
That's true for CMOS outputs. TTL outputs pull
On Thu, 20 Aug 2015, william degnan wrote:
I do have my MITS Basic license, so..
Is it transferrable?
LOL
Bill Degnan
twitter: billdeg
vintagecomputer.net
On Aug 20, 2015 6:32 PM, Fred Cisin ci...@xenosoft.com wrote:
On Thu, 20 Aug 2015, william degnan wrote:
I do have my MITS Basic license, so..
Is it transferrable?
On Thu, 20 Aug 2015, Chuck Guzis wrote:
But yeah, I'd hate to run up against BillG in a spat over appropriating his
Altair BASIC. He could squash me like a bug with his legal resources. I
recall that other outfits stealing his code was one of his big public gripes
back in the pre-PC days.
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