On 2015-08-19 04:27, Jon Elson wrote:
On 08/18/2015 01:00 PM, Johnny Billquist wrote:
The floating address space was pretty much there from the start for
the Unibus, even before you had large systems. For most controllers,
only the first one has a fixed address, and all others were assigned
Combining both of your posts in a response, William.
My being involved in this Manuals Plus project came as a result of a large
number of people telling me that Manuals Plus was going out of business and
that there were a number of documents and manuals that were, if not rare or
unique,
On Wed, 19 Aug 2015, William Donzelli wrote:
Are you serious? Jason is currently sweating his balls off trying to
save at least a portion of a huge warehouse of unique documentation
under an incredibly tight deadline.
Just for the record, the Manuals Plus hoard is not, in any way, a bunch
My being involved in this Manuals Plus project came as a result of a large
number of people telling me that Manuals Plus was going out of business and
that there were a number of documents and manuals that were, if not rare or
unique, definitely hard to find in good condition.
Welcome to the
Actually, their collection was unique and contained a lot of material which
others' libraries (either dead tree or digital) do not contain. This year, I
purchased many one of a kind manuals from Manuals Plus for equipment ranging
from the 1940s to 1980s that I've had sitting around for 10-15+
In closing, I might ask you to consider taking your sweet time getting
this stuff online. There are still some manual dealers out there. Let
them handle the decline of their business in whatever way they see
fit. All of them know it is just a matter of time - probably five
years or less. If
Thanks everyone! It's running right now, and seems to be passing,
however the parity error LED on the board is lit.
The docs mentioned that ZKMA's messages (plus the source) would lead
me to a potential bad module, but it doesn't seem to be failing.
VMJAB0 doesn't run at all on my system. It
On 8/18/2015 7:01 PM, dwight wrote:
Reading the note made me think of something else.
If it is an SAR, and you read to soon, the LSBs of the incomplete
conversion will always be the same. All ones or all zeros.
If it is a Sigma-Delta, and the input has noise
on it that is above the same rate,
On 8/19/2015 11:52 AM, Jason Scott wrote:
In closing, I might ask you to consider taking your sweet time getting
this stuff online. There are still some manual dealers out there. Let
them handle the decline of their business in whatever way they see
fit. All of them know it is just a matter of
Would anyone have a surplus-to-needs, or know of a source for, a VT100 keyboard?
This would actually be for the DECmateI/VT278 I mentioned on the list a couple
weeks ago, Rob and I are looking into doing something with it.
Alternatively, does anyone know if there is any degree of signalling
That is a most interesting metric. I honestly hadn't considered that issue.
The key, I think, will be communication with them to understand which
manuals have sales going on, and which ones it would be advantageous to get
online because they have long dropped into historical myths. Thank you
Hello all - I thought they did this weeks ago but the VCFMW hotel has
informed me that they still have the special rooms pricing block open.
It will close for real this time at the end of the day this Friday
the 21st. A rather humbling number of rooms have been reserved so far
- well beyond our
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 dealers
tend to fall into two categories:
It does not matter. You can not scan ashes.
--
Will
The cable for the RX01/02 to the various interfaces is the BC05L-15. Either
cable will work on them.
Paul
On Wed, Aug 19, 2015 at 4:48 PM, Brent Hilpert hilp...@cs.ubc.ca wrote:
On 2015-Aug-19, at 2:17 PM, Ethan Dicks wrote:
On Wed, Aug 19, 2015 at 5:09 PM, Brent Hilpert hilp...@cs.ubc.ca
On Wed, 19 Aug 2015, Jason Scott wrote:
On Wed, 19 Aug 2015, William Donzelli wrote:
In closing, I might ask you to consider taking your sweet time getting
this stuff online. There are still some manual dealers out there. Let
them handle the decline of their business in whatever way they see
On Wed, Aug 19, 2015 at 5:48 PM, Brent Hilpert hilp...@cs.ubc.ca wrote:
Thanks, that was a question I had been intending to ask, but to confirm:
If one obtained (as appropriate) bare RX01/2 floppy drive(s), it would
just be a matter of power supply for the floppies, and passive cabling
to
On 20 August 2015 at 01:50, William Donzelli wdonze...@gmail.com wrote:
It does not matter. You can not scan ashes.
Not yet. But the tech is getting closer... From automatically
reassembling the Stasi's shredded files:
http://www.bbc.com/news/magazine-19344978
On 08/19/2015 06:50 PM, William Donzelli 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 dealers
tend to fall into two categories:
It does not matter. You can not scan ashes.
Well, you can, but
On Wed, 19 Aug 2015, William Donzelli wrote:
On Wed, 19 Aug 2015, Jason Scott wrote:
That is a most interesting metric. I honestly hadn't considered that
issue. The key, I think, will be communication with them to understand
which manuals have sales going on, and which ones it would be
I just heard from Becky this afternoon (I've been in regular contact with
her) and she has said that anything left is now up for grabs. This is part
of what she wrote me today:
If you know of anyone that wants to come here help themselves over the
next two days they are welcome. (Only if you
On Aug 19, 2015, at 7:47 PM, Tothwolf tothw...@concentric.net wrote:
...
Second, those that threaten others when they find a PDF manual online which
competes with their offerings. Some of them will file bogus DMCA takedowns
even though they are not the copyright holder. Some of these
There is currently a design and programming team looking to improve and
redo the search interface. I've been seeing their design approaches go by
on the internal channels as they revise it. I'm not sure when it all goes
live, but an improved and more directed search is absolutely in the plans.
On
On 08/19/2015 09:10 PM, Fred Cisin wrote:
We also had some fun when the purchasing department gave us HD disks!
(for use in TRS80 model 1 SD) They would sometimes FORMAT, WRITE,
READ, and then minutes later, be blank again. The purchasing agent
was in bed with somebody peddling RoyType, and
Press Release April 2015 Data Professionals of Pleasanton California has
been acquired by Heath Company and will focus on supporting vintage kits by
providing parts, modification, and even 'Certified Pre-Owned' Heathkits for
sale. Please watch our site for future developments.
I just
On 8/18/2015 4:11 PM, tony duell wrote:
Yeah, but the TIP31A part is cheap, and is free air mounted on its leads
- it isn't screwed down. I'd rather do the repair nicely. Anyway, it
Sure...
What I would do is bolt a tag + wire onto the tab of the old transistor (don't
tell me you
I don't care too much about file sizes with how cheap storage is these days
but I've done some scanning projects in the past and there's always a
critic, LOL.
Best,
Sean
On Tue, Aug 18, 2015 at 4:20 PM, Noel Chiappa j...@mercury.lcs.mit.edu
wrote:
From: Sean Caron
I have found
Yeah, but the TIP31A part is cheap, and is free air mounted on its leads
- it isn't screwed down. I'd rather do the repair nicely. Anyway, it
Sure...
What I would do is bolt a tag + wire onto the tab of the old transistor (don't
tell me you don't keep solder tags and small nuts/bolts (M3,
On 2015-Aug-19, at 3:58 PM, William Donzelli wrote:
Yes, let the guys keep selling the higher demand documents - HP, Tek,
Heathkit. Nearly all of those are super common anyway
. . .
In fact, due to your time constraints, I would not bother with the HP,
Tek, or Heathkit manuals at all
. . .
As a general rule, you should not write to a DD disk with a HD drive.
It does not erase the full width of the track.
You should only write to DD from a 360K type drive.
If you must write using an HD drive, it is recommended that you
first completely erase the disk with an external magnetic media
Just in case anybody was unaware, . . .
VERIFY is NOT a suitable test in this situation.
Most beginners assume that VERIFY will re-read the track, and determine
whether the write wrote the correct content. IT DOES NOT.
VERIFY checks the sector headers and CRCs, and determines whether there is
Alternatively, does anyone know if there is any degree of signalling
compatibility
between the VT100 and VT220/320 keyboards?
I am sure there is no compatibility. The VT220, etc keyboard (LK201) interface
is a 9600 baud
asynchronous serial port. The VT100 keyboard has a single
Not to disagree or contradict you, but I have to mention what may be an
exception to that in the case of one HP instrument:
There are always exceptions.
Anyway,
http://www.ebay.com/itm/Agilent-HP-Keysight-05480-90013-5480A-5480B-Service-Manual-/361296424349
Is that a different instrument?
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 ORIGINAL is in the public domain, and he would have no rights to
restrict
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.
Putting it on the RS232 lines could even improve signal quality because
the signal is usually poorly terminated, causing reflections.
The recommended lengths and Baud rates are
On Wed, 19 Aug 2015, Tothwolf wrote:
On Wed, 19 Aug 2015, William Donzelli wrote:
Yes, let the guys keep selling the higher demand documents - HP, Tek,
Heathkit. Nearly all of those are super common anyway (and plus, you will
run into problems posting Heath material). Focus on the weirder
Thanks, that was a question I had been intending to ask, but to confirm:
If one obtained (as appropriate) bare RX01/2 floppy drive(s), it would just
be a
matter of power supply for the floppies, and passive cabling to interface the
drives
to the CPU/display?
Depends on what you mean by
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