On Sun, 22 Jul 2018, Chuck Guzis via cctalk wrote:
I'd almost forgotten about that old chestnut. Fortunately, Snopes
remembers:
https://www.snopes.com/fact-check/bewaring-of-the-green/
But, what about using a gold USB cable?
Surely the quality of the power filtration must make a difference.
I also have a few boxes of old books and IBM slip-case manuals (techRef,
etc.), 3" and 3.25" drives, at least one bundle of hard sector disks, half
a dozen HP "pinch to close shutter" 3.5" disks, a Shugart 3.5" from before
they HAD shutters, a Sony 600RPM 3.5" (if I can find it), . . .
('course
On Sun, Jul 22, 2018 at 8:47 AM, Mark Matlock via cctech
wrote:
>Now my question is, there are 3 Bus slots in the 11/84 above the Unibus
> map board, would it be possible
> to put a dual width Q22 I/O board in the second memory slot (not the PMI side
> of the slot) and have it
> able to DMA
On 07/22/2018 09:05 PM, Warner Losh via cctalk wrote:
> Of course, I know people here will get that old, tired meme... It got me
> wondering, though, if anybody tested that hypothesis for longevity since
> the marker would seal the edges... maybe :)
I don't know about sealing anything, as the
Throughout this whole thread, I've been tempted to say that you get better
data fidelity if you take a green magic marker and mark the edges of the
disk...
Of course, I know people here will get that old, tired meme... It got me
wondering, though, if anybody tested that hypothesis for longevity
Is there any relationship betwween the SPEED at which laser-disks are
written and the length of time that the recording will last?
Kurt
>> On Jul 22, 2018, at 6:47 PM, Chuck Guzis via cctalk
>> wrote:
>>
>> On 07/22/2018 06:34 PM, Zane Healy via cctalk wrote:
>>
>>> On premises has the exact
> On Jul 22, 2018, at 6:47 PM, Chuck Guzis via cctalk
> wrote:
>
> On 07/22/2018 06:34 PM, Zane Healy via cctalk wrote:
>
>> On premises has the exact same problem as tape. You must have a refresh
>> plan. That’s the advantage of off prem, you don’t have to worry about
>> refresh.
>
> I
On Sun, 22 Jul 2018, Chuck Guzis via cctalk wrote:
Over on the CNCZone forum, there's a user, John, whose ID is shas595 who
seems to know just about everything about these units and is willing to
help.
You might want to drop him a line.
Thank you kindly, Chuck;
We had actually reached out
On 07/22/2018 06:34 PM, Zane Healy via cctalk wrote:
> On premises has the exact same problem as tape. You must have a refresh
> plan. That’s the advantage of off prem, you don’t have to worry about
> refresh.
I don't exactly follow you. In the case of a specific example for NASA
and its
On 07/22/2018 06:11 PM, Ed Sharpe via cctalk wrote:
> The space guys will win out over the computer guys probably on
> this...
>
>
> Indeed would be interesting to see what is on them.
That's not a lot of cards. One box is marked "FLOWTRAN"--I suspect that
they're input to the
> On Jul 22, 2018, at 6:08 PM, Paul Koning wrote:
>
>> On Jul 22, 2018, at 4:06 PM, Zane Healy via cctalk
>> wrote:
>>
>>> ...
>>
>> I’ve failed to see any reason behind your questions. If you’re looking for
>> a long-term archival solution, look to cloud storage (either on-prem, or
>>
The space guys will win out over the computer guys probably on this...
Indeed would be interesting to see what is on them.
Ed#
In a message dated 7/22/2018 5:36:31 PM US Mountain Standard Time,
cctalk@classiccmp.org writes:
Anyone see this?
On 07/22/2018 05:46 PM, Warner Losh via cctalk wrote:
> Somewhat of a tangent, but this just popped up for me.
>
> https://www.theatlantic.com/technology/archive/2018/07/microfilm-lasts-half-a-millennium/565643/
I read through to the end of the article and can't quite see where the
500 year
> On Jul 22, 2018, at 4:06 PM, Zane Healy via cctalk
> wrote:
>
>> ...
>
> I’ve failed to see any reason behind your questions. If you’re looking for a
> long-term archival solution, look to cloud storage (either on-prem, or
> off-prem). Sure tape is cheap, but when you start looking at
On Sun, 22 Jul 2018, Warner Losh via cctalk wrote:
Somewhat of a tangent, but this just popped up for me.
https://www.theatlantic.com/technology/archive/2018/07/microfilm-lasts-half-a-millennium/565643/
and I thought of this thread. Apologies if it's a duplicate..
Iff deliberately processed
> On Jul 22, 2018, at 8:46 PM, Warner Losh via cctalk
> wrote:
>
> Somewhat of a tangent, but this just popped up for me.
>
> https://www.theatlantic.com/technology/archive/2018/07/microfilm-lasts-half-a-millennium/565643/
>
> and I thought of this thread. Apologies if it's a duplicate..
>
On Sun, 22 Jul 2018, Charles Dickman via cctalk wrote:
So what does it take to get OS/9 running on a Radio Shack Color Computer?
If you use the Radio Shack distribution of OS-9, then just booting with
the RS OS-9 boot disk.
I never took it much past that. I played with it a little to learn a
Somewhat of a tangent, but this just popped up for me.
https://www.theatlantic.com/technology/archive/2018/07/microfilm-lasts-half-a-millennium/565643/
and I thought of this thread. Apologies if it's a duplicate..
Warner
On Sun, Jul 22, 2018 at 6:13 PM, Charles Dickman via cctalk <
Anyone see this?
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F113156542500
Hopefully the new owner will read it in and make the contents available. Looks
like a fascinating piece of history! Pushing a tad rich for my blood though
given that I don’t have a
Below is a sampling of disks recorded between 2001 and 2009. It is
likely that the disks of the same type were from the same package
because I don't use many disks. They were stored without much care,
but in a spaces tolerable to humans for reasonable periods.
Imation CD-Rrecorded
On 07/22/2018 02:35 PM, Paul Berger via cctalk wrote:
These calculators all have 3 NiCd
cells in them if the batteries where already removed, you may get a clue
from the shell how many cells it was designed for.
Oh, fun... so, I'd found this snippet of info online the other day:
<<<
I have
On 7/22/18 12:54 PM, Noel Chiappa via cctalk wrote:
> From: Mark Matlock
> With the 11/83 the position of the memory board ... above the CPU uses
> PMI
Yes, through the C-D interconnect; described in detail here:
http://gunkies.org/wiki/CD_interconnect#Use_by_PMI
The
So what does it take to get OS/9 running on a Radio Shack Color Computer?
I have a Color Computer 2 (? 64k and non-chicklet keyboard) and have
always wanted to get it working with a disk OS. What do I need? I see
a reproduction floppy disk controller on ebay. I would rather skip
that and go
Not mine, just thought it might interest some here
https://www.ebay.com/itm/202376723756
73 Eugene W2HX
Status update:
They let me go home Thursday but I was too wiped out to post about it. Things
are still pretty fluid, there were some complications, but they’re being
managed. I was on the waitlist for 5 years and 4 months, they listed me
immediately on diagnosis. I got the transplant through
On Sun, Jul 22, 2018 at 3:01 PM, Ed Sharpe via cctalk wrote:
> Mark E. Rorvig , Denton, associate professor of library and information
> sciences, 1995-2002. Rorvig was nationally recognized as a pioneer in the
> field of information retrieval. From 1990 to 1995, while serving as an
> adjunct
> On Jul 22, 2018, at 11:06 AM, Carlo Pisani via cctalk
> wrote:
>
> thus DDS4, LTO2, DLT: which is the best tape?
I wouldn’t touch 4mm DAT tapes with a ten foot pole, if I can help it. I’ve
used them in the past, but only in special cases, OR more importantly when
forced to.
You can’t buy
Mark E. Rorvig , Denton, associate professor of library and information
sciences, 1995-2002. Rorvig was nationally recognized as a pioneer in the field
of information retrieval. From 1990 to 1995, while serving as an adjunct
professor at UNT, he worked as a computer engineer for NASA at the
On 2018-07-22 4:17 PM, Jules Richardson via cctalk wrote:
On 07/20/2018 10:57 PM, Tony Duell wrote:
It is not uncommon for the NiCd cells to act as a shunt regulator in
such
calculators. The charger is of relatively high voltage (say around
9V), it is
applied to the cells through a current
> We're actually pretty well off, there; we have:
> - MS11 Maintenance Manual (DEC-11-HMSAA-D-D)
> - MS11 MOS Memory Troubleshooting Guide (DEC-11-HMSTS-A-D)
> - MS11-B Engineering Drawings
There's also a little bit about the MS11-C (not covered in the documents
above) in
The PDP-11/84 uses the M8190 CPU that is also used in a PDP-11/83. The 11/83
and 11/84 use PMI
Memory but the 11/83 also can use Q22 memory. With the 11/83 the position of
the memory board (assuming
one is using the MSV11-JD or JE) above the CPU uses PMI and below the CPU in
the backplane
On 07/20/2018 10:57 PM, Tony Duell wrote:
It is not uncommon for the NiCd cells to act as a shunt regulator in such
calculators. The charger is of relatively high voltage (say around 9V), it is
applied to the cells through a current limiter (often just a simple resistor as
you say), and the fact
Over on the CNCZone forum, there's a user, John, whose ID is shas595 who
seems to know just about everything about these units and is willing to
help.
You might want to drop him a line.
--Chuck
On 07/22/2018 11:26 AM, JP Hindin via cctalk wrote:
>
> Good arvo all;
>
> A family member
Good arvo all;
A family member recently purchased a rather large CNC which uses a
Micon16-II system (as well as a Fanuc 15M) to drive it. Unfortunately the
battery for the RAM died during storage prior to him getting it and all of
the ladder logic is gone.
We'd really love to try and find
> From: Paul Birkel
> Unfortunately there's not much documentation for the MS11.
??? We're actually pretty well off, there; we have:
- MS11 Maintenance Manual (DEC-11-HMSAA-D-D)
- MS11 MOS Memory Troubleshooting Guide (DEC-11-HMSTS-A-D)
- MS11-B Engineering Drawings
About all we're
thus DDS4, LTO2, DLT: which is the best tape?
2018-07-22 18:11 GMT+02:00 Jon Elson via cctalk :
> On 07/22/2018 10:52 AM, Chuck Guzis via cctalk wrote:
>>
>> On 07/22/2018 06:33 AM, Paul Koning via cctalk wrote:
>>>
>>>
On Jul 21, 2018, at 3:25 PM, Carlo Pisani via cctalk
wrote:
> From: Mark Matlock
> With the 11/83 the position of the memory board ... above the CPU uses
> PMI
Yes, through the C-D interconnect; described in detail here:
http://gunkies.org/wiki/CD_interconnect#Use_by_PMI
The 'above' is because the CD interconnect is not a true bus, it
söndag 22 juli 2018 skrev Paul Birkel :
> 26 bits (or 13 bits) doesn't make any sense on a 16-bit machine; makes
> more sense as a high-speed I/O buffer.
One can note that it is actually two different types of 1k chips. 16 chips
are 94L415 and 10 chips are 93415. As far as I understand the L is
On 07/22/2018 10:52 AM, Chuck Guzis via cctalk wrote:
On 07/22/2018 06:33 AM, Paul Koning via cctalk wrote:
On Jul 21, 2018, at 3:25 PM, Carlo Pisani via cctalk
wrote:
...
and what about magnetic-tapes? (e.g. DDS4, DLT, LTO2)
which of them lasts for the most?
I don't know specifically.
On 07/22/2018 06:33 AM, Paul Koning via cctalk wrote:
>
>
>> On Jul 21, 2018, at 3:25 PM, Carlo Pisani via cctalk
>> wrote:
>>
>> ...
>> and what about magnetic-tapes? (e.g. DDS4, DLT, LTO2)
>>
>> which of them lasts for the most?
>
> I don't know specifically. I do know that plain old audio
> On Jul 21, 2018, at 3:25 PM, Carlo Pisani via cctalk
> wrote:
>
> ...
> and what about magnetic-tapes? (e.g. DDS4, DLT, LTO2)
>
> which of them lasts for the most?
I don't know specifically. I do know that plain old audio tapes may fail -- I
have perhaps 100 cassettes recorded in the
> From: Paul Birkel
> ABLE Computer Technology. Their first product was PN 10001 ... the
> A.C.T. Univerter
This board is not shown in any of the Able brochures we have:
http://bitsavers.trailing-edge.com/pdf/able/brochures/
However, Able info is _very_ thin on the ground, now...
Bill,
I’m not familiar with the program they mention for the AIM65, but in Section
9
of the User’s manual on bitsavers is a good description of how to set up
cassette
recorders with the AIM65. If the recorder has a pause input the AIM65 can
control the tape both during read and write. If two
The last generation 5.25" 4.x GB MO drive was unreliable which is why they
never went bigger I think. I have a bunch of 5.25" drives from a few makers
and all work.
-Original Message-
From: Carlo Pisani via cctalk
Sent: Saturday, July 21, 2018 5:43 PM
To: Chuck Guzis ; General
well, I was close. they all sound alike with brain fog. I still have a
bunch of it, some marked ACT, some ABLE.
On Sun, Jul 22, 2018 at 1:36 AM, Paul Birkel via cctalk <
cctalk@classiccmp.org> wrote:
> ACT is parked on the upper-right under the handle.
> Several variants of "10003" are
ACT is parked on the upper-right under the handle.
Several variants of "10003" are marked near the left handle.
And it's copyrighted 1976.
ACT = ABLE Computer Technology.
Their first product was PN 10001 (copyright 1976), the A.C.T. Univerter; see
"Able_Univerter_Nov81.pdf" on Bitsavers.
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