20150827_124943.jpg
https://drive.google.com/file/d/0B2MOaRm-6XKNbHB0a0stNkdFRm9lVll5VjBaT0tKbVRHc3Jv/view?usp=drive_web
On Fri, Aug 28, 2015 at 2:23 AM, Paul Anderson used...@gmail.com wrote:
20150827_125000.jpg
20150827_125000.jpg
https://drive.google.com/file/d/0B2MOaRm-6XKNclExVHVVU0dKTlRGUmV4b1o2X1pLaThPdHp3/view?usp=drive_web
20150827_125000.jpg
https://drive.google.com/file/d/0B2MOaRm-6XKNclExVHVVU0dKTlRGUmV4b1o2X1pLaThPdHp3/view?usp=drive_web
If interested, please contact me off list.
On Aug 27, 2015, at 23:22 , r.stricklin b...@typewritten.org wrote:
Yes, your tapes need baking. Even for folks who don't experience problems as
catastrophic as yours, the TK50, TK30, and TK70 will each stall out if it
senses the tape dragging even slightly. That includes for
Given that it's summertime, I wonder if I could just leave the tapes in my
truck for a week to bake them? :)
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
On Aug 27, 2015, at 9:39 PM, Mark J. Blair wrote:
Maybe my tapes need baking or something to keep the oxide from shedding?
Yes, your tapes need baking. Even for folks who don't experience problems as
catastrophic as yours, the TK50, TK30, and TK70 will each stall out if it
senses the tape
On Aug 27, 2015, at 11:50 PM, Mark J. Blair wrote:
It runs the tape forwards first, then it experiences trouble, then it panics
and quits.
Yes.
Can the TK50 cartridges be baked as-is
It may depend on how effective your setup is, but I bake mine as-is.
ok
bear.
--
until further notice
(Rumor was that there was also a CDC-160A in somebody's basement here in
town, as well).
Speaking of which:
http://www.ebay.com/itm/Vintage-Control-Data-160-Computer-System-Vintage-Computer-/252070822992?hash=item3ab0978450
Maybe it's the one from that basement :)
Cheers,
Pierre
What takes, today, present time, to read 1/2-inch reel-to-reel tape?
Years ago, I've found literally HUNDREDS of half inch reel-to-reel tape,
stacked outside a telco switching building. I managed to scavenge one
hundred and ninety of them. Ended up throwing (because of lack of storing
space... and
Many 1620's were leased and IBM recovered them at the end of the lease.
There is a note somewhere I have seen about the one at Lancaster University
have a disk drive replaced and then returned to IBM within weeks...
.. on the other had I know the one at Newcastle Polytechnic hung around for
at
On 2015-08-27 22:43, Kyle Owen wrote:
Yup, I'm aware of the owner's manual, but my question was more aimed at
What are the common failure modes of this drive? rather than how to
operate it. I'll see what it'll take to get my VAX connected via Ethernet.
Looks like I've got the hardware, but not
On 8/28/2015 3:14 AM, P Gebhardt wrote:
We all KNOW the government people still have one running
for your tax . After all the bribes and shady dealings
it gets turned on twice a year. Too old to have the Y2000 bug.
Ben.
On Aug 27, 2015, at 7:13 PM, Michael Thompson michael.99.thomp...@gmail.com
wrote:
...
In any case, RP06s use three phase power. The issue wasn't the power in
this particular story, but rather the ground wire (the green protective
ground that isn't supposed to carry current at all under
On Aug 28, 2015, at 3:59 AM, Operon Lac operon@gmail.com wrote:
What takes, today, present time, to read 1/2-inch reel-to-reel tape?
Years ago, I've found literally HUNDREDS of half inch reel-to-reel tape,
stacked outside a telco switching building. I managed to scavenge one
hundred
I got a few items I need to get rid of:
2 HP LaserJet 5MP - One I know works. The other I had for parts, I think
it works. I believe I have a PS module in it. There is also a RAM chip
siting with it too, don't have the specs at the moment. Includes 3 toner
carts, all in various states of
On Aug 28, 2015, at 1:30 AM, Chuck Guzis ccl...@sydex.com wrote:
...
Well, other than the Model I (CADET) typewriter acting as if it were going to
fly apart at any time, the 1311 disk drive was fun to watch.
Especially if you didn't have the direct seek option. I had a one-card
program
On 8/28/15 12:46 AM, Mark J. Blair wrote:
leave the tapes in my truck for a week to bake them? :)
not enough airflow
On 8/28/15 12:46 AM, Mark J. Blair wrote:
leave the tapes in my truck for a week to bake them? :)
On Fri, 28 Aug 2015, Al Kossow wrote:
not enough airflow
humidity?
On Aug 28, 2015, at 08:09, Al Kossow a...@bitsavers.org wrote:
On 8/28/15 12:46 AM, Mark J. Blair wrote:
leave the tapes in my truck for a week to bake them? :)
not enough airflow
Well, I guess I'll need to build a little convection tape baker, then. Maybe
I'll use something like an
If you can find an American Harvest food dehydrator, those work great for
baking tapes, low controlled heat, a round form factor and it can hold 10
reels of tape.
I use one for baking old EIAJ videotape.
Sent from my iPhone
On Aug 28, 2015, at 11:44 AM, Mark J. Blair n...@nf6x.net wrote:
Cool. Wonder what it will go for.
JRJ
On 8/28/2015 4:14 AM, P Gebhardt wrote:
(Rumor was that there was also a CDC-160A in somebody's basement here in
town, as well).
Speaking of which:
I have received some bug reports, and it turns out there was some very
serious bug in the release, which corrupted low memory, including
interrupt vectors.
A new release have been cut. Please update immediately if you have
updated since the announcement I made two days ago...
Johnny
On 2015-08-28 14:56, Paul Koning wrote:
On Aug 27, 2015, at 7:13 PM, Michael Thompson michael.99.thomp...@gmail.com
wrote:
...
In any case, RP06s use three phase power. The issue wasn't the power in
this particular story, but rather the ground wire (the green protective
ground that isn't
On Thu, 27 Aug 2015, Lyle Bickley wrote:
The IBM 1620 at the CHM is a running computer. There were two teams that
worked on the 1620 at the CHM. The first Team got it running.
Unfortunately, IBM used the wrong kind of solder on the core memory and
so the wires of the core memory literally
On Aug 28, 2015, at 08:52, Matt Patoray mspproducti...@gmail.com wrote:
If you can find an American Harvest food dehydrator, those work great for
baking tapes, low controlled heat, a round form factor and it can hold 10
reels of tape.
Interesting! Is the central shaft small enough for
On Thu, Aug 27, 2015 at 4:04 PM, Terry Stewart te...@webweavers.co.nz
wrote:
Regarding the keycaps -- Corey Cohen suggested that I remove them and soak
them in 3% peroxide. Going to have to try that.
Well, remember this is with just 3% hydrogen peroxide, which is quite a bit
less than
On 08/28/2015 07:42 AM, Tothwolf wrote:
With all the different solder alloys I work with regularly, I have to
ask...what type of solder caused that sort of damage? Was it the
alloy itself, or did IBM use a flux which was too active and then
failed to clean away all the residue? If they used a
On Fri, 28 Aug 2015, Lyle Bickley wrote:
On Fri, 28 Aug 2015 20:31:16 -0500 (CDT) Tothwolf wrote:
I think I've answered my own question today while looking at a
datasheet for another type of solder. My guess is that the solder they
used did not contain any copper, and the tin in the solder
On 8/28/2015 8:02 PM, Mike Loewen wrote:
On Fri, 28 Aug 2015, ben wrote:
On 8/28/2015 3:17 PM, Jay Jaeger wrote:
I expect that Ben's posting was a joke directed at the IRS.
Just the US goverment in general. Try area 51 next.
The 1980's was the last use I suspect of the 1965's machines.
On Fri, Aug 28, 2015 at 4:57 PM, ben bfranc...@jetnet.ab.ca wrote:
Just the US goverment in general. Try area 51 next.
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
On 08/28/2015 12:41 PM, Jon Elson wrote:
On 08/28/2015 11:52 AM, Paul Koning wrote:
On Aug 28, 2015, at 11:44 AM, Mark J. Blair
n...@nf6x.net wrote:
...
Well, I guess I'll need to build a little convection
tape baker, then. Maybe I'll use something like an
Arduino to control the temperature.
On Fri, 28 Aug 2015 20:31:16 -0500 (CDT)
Tothwolf tothw...@concentric.net wrote:
On Fri, 28 Aug 2015, Chuck Guzis wrote:
On 08/28/2015 07:42 AM, Tothwolf wrote:
With all the different solder alloys I work with regularly, I have
to ask...what type of solder caused that sort of damage? Was
On 8/28/2015 2:59 AM, Operon Lac wrote:
What takes, today, present time, to read 1/2-inch reel-to-reel tape?
Years ago, I've found literally HUNDREDS of half inch reel-to-reel tape,
stacked outside a telco switching building. I managed to scavenge one
hundred and ninety of them. Ended up
Here in Australia, the Australian Computer Museum Society has an IBM 1401 -
just the big CPU unit.
We know of an IBM 1620 CPU unit in Computer Sciences at the University of NSW.
I worked on a 1620 in the 1960s - and thought that it was 'magic'.
Sadly, we don't have enough sponsors to put
I use 2 of these in a large plastic tub:
http://www.amazon.com/gp/product/B00HD6Y4VU?psc=1redirect=trueref_=oh_aui_search_detailpage
I cut holes in the lid of the tub for them and used tin foil to line the
insides. Seems to work very well for me. I coat the items in bblonde mixed
with a little
On Fri, 28 Aug 2015, ben wrote:
On 8/28/2015 3:17 PM, Jay Jaeger wrote:
I expect that Ben's posting was a joke directed at the IRS.
Just the US goverment in general. Try area 51 next.
The 1980's was the last use I suspect of the 1965's machines.
The military used 1950's machines into
On 08/28/2015 12:55 PM, Mark J. Blair wrote:
On Aug 28, 2015, at 10:41 , Jon Elson el...@pico-systems.com wrote:
The trick is to poke a tiny thermocouple into a plated through hole in one of
the boards. Then, the controller is measuring actual temperature. I tried
having the thermocouple in
On Fri, 28 Aug 2015, Chuck Guzis wrote:
On 08/28/2015 07:42 AM, Tothwolf wrote:
With all the different solder alloys I work with regularly, I have to
ask...what type of solder caused that sort of damage? Was it the alloy
itself, or did IBM use a flux which was too active and then failed to
On 08/28/2015 05:59 AM, Paul Koning wrote:
Especially if you didn't have the direct seek option. I had a
one-card program that would do for (i=0; i100; i++)
seek_cylinder(i). That doesn't step track to track as you would
expect; instead, it goes from track n to 0 to n+1, resulting in
On 08/28/2015 08:58 AM, Mark J. Blair wrote:
Interesting! Is the central shaft small enough for 5.25 and 8
floppy disks to fit in it? I have a lot of 8 disks that need baking,
too.
If you've got access to woodworking equipment and some scrap plywood,
you can built one easily enough from
On Aug 28, 2015, at 11:44 AM, Mark J. Blair n...@nf6x.net wrote:
...
Well, I guess I'll need to build a little convection tape baker, then. Maybe
I'll use something like an Arduino to control the temperature. I want to
build a toaster oven solder reflow over, too, which might use the same
Ah! That explains my lack of results. I soaked the keys for five or six
hours. They got clean, but didn't change color very much. Sounds like I
pulled them out too soon. Several days, you say?
Has anyone tried a glass/plexi-glass bath w/ UV lights? It might get expensive
if you want UV
On 8/28/2015 10:58 AM, Mark J. Blair wrote:
On Aug 28, 2015, at 08:52, Matt Patoray mspproducti...@gmail.com wrote:
If you can find an American Harvest food dehydrator, those work great for
baking tapes, low controlled heat, a round form factor and it can hold 10
reels of tape.
Regarding the keycaps -- Corey Cohen suggested that I remove them and soak them
in 3% peroxide. Going to have to try that.
Well, remember this is with just 3% hydrogen peroxide, which is quite a bit
less than what's in the hair gels (what's it, 20-40%)? I used this on my
commodore 128D,
I am very interested in these drivers!
I am new to the group please let me know the proper procedure/process.
Thanks so much,
Sue Skonetdki
VMS Software Inc.,
On Aug 28, 2015, at 12:34 PM, Jon Elson el...@pico-systems.com wrote:
Hello, guys,
While rummaging through recovered backups
Hello, guys,
While rummaging through recovered backups from my MicroVAX I
found a few items that might be of interest to the group.
I got an MDB mag tape interface (quite possibly the ONLY
Pertec Unformatted controller ever made for Q-bus) that
follows the MT-11 register format. There was
On 08/28/2015 09:30 AM, Jay Jaeger wrote:
Interesting. I have yet to experience the need to bake 8 floppies.
Clearly, you've never been presented with a load of 8 Radio
Shack-branded floppies...
Wright Line and Wabash branded floppies seem to share the
undesirable characteristic.
FWIW,
On 8/28/2015 10:44 AM, Mark J. Blair wrote:
On Aug 28, 2015, at 08:09, Al Kossow a...@bitsavers.org wrote:
On 8/28/15 12:46 AM, Mark J. Blair wrote:
leave the tapes in my truck for a week to bake them? :)
not enough airflow
Well, I guess I'll need to build a little convection tape
On Fri, 28 Aug 2015, Ali wrote:
Ah! That explains my lack of results. I soaked the keys for five or six
hours. They got clean, but didn't change color very much. Sounds like I
pulled them out too soon. Several days, you say?
Has anyone tried a glass/plexi-glass bath w/ UV lights? It might
To be honest, an engine block wouldn't look out of place in my living room. :)
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
Ah! That explains my lack of results. I soaked the keys for five or six hours.
They got clean, but didn't change color very much. Sounds like I pulled them
out too soon. Several days, you say?
Has anyone tried a glass/plexi-glass bath w/ UV lights? It might get expensive
if you want UV lights
Hi,
Does anyone happen to have a spare MXV11-B (M7195-XX) they would be willing
to sell or trade?
I'd like to build a small BSD2.11 system from this M8192 from the cheap
board guy on e-bay and need something with a bootstrap ROM.
Mark
--
Mark G. Thomas (m...@misty.com), KC3DRE
Hi Johnny,
On Fri, Aug 28, 2015 at 07:33:21PM +0200, Johnny Billquist wrote:
On 2015-08-28 19:30, Mark G. Thomas wrote:
Hi,
Does anyone happen to have a spare MXV11-B (M7195-XX) they would be willing
to sell or trade?
I'd like to build a small BSD2.11 system from this M8192 from the
On Aug 28, 2015, at 10:41 , Jon Elson el...@pico-systems.com wrote:
The trick is to poke a tiny thermocouple into a plated through hole in one of
the boards. Then, the controller is measuring actual temperature. I tried
having the thermocouple in the air, and the boards got seriously
On 2015-08-28 20:07, Fred Cisin wrote:
On Fri, 28 Aug 2015, tony duell wrote:
I realised the other day that I do not live in a normal house. Apart
from the toilet, every room on the ground floor contains at least one
PDP11 (some not set up yet).
Nice!
The WC only has microcomputers?
Here is a good article about tape baking
On Fri, Aug 28, 2015 at 2:09 PM, Johnny Billquist b...@update.uu.se wrote:
On 2015-08-28 20:07, Fred Cisin wrote:
On Fri, 28 Aug 2015, tony duell wrote:
I realised the other day that I do not live in a normal house. Apart
from the toilet, every room
Well how about pasting in the link...
http://www.wendycarlos.com/bake%20a%20tape/baketape.html
On Fri, Aug 28, 2015 at 3:03 PM, Matt Patoray mspproducti...@gmail.com
wrote:
Here is a good article about tape baking
On Fri, Aug 28, 2015 at 2:09 PM, Johnny Billquist b...@update.uu.se
wrote:
On 08/28/2015 11:52 AM, Paul Koning wrote:
On Aug 28, 2015, at 11:44 AM, Mark J. Blair n...@nf6x.net wrote:
...
Well, I guess I'll need to build a little convection tape baker, then. Maybe
I'll use something like an Arduino to control the temperature. I want to build
a toaster oven solder
On Fri, Aug 28, 2015 at 6:56 AM, Paul Koning paulkon...@comcast.net wrote:
That's interesting. I was told that an RP06 requires attention to the
correct phase connections or it will attempt to spin in the wrong direction,
implying that it uses a 3 phase spindle motor. Or perhaps that was a
On 2015-08-28 19:44, Mark G. Thomas wrote:
Hi Johnny,
On Fri, Aug 28, 2015 at 07:33:21PM +0200, Johnny Billquist wrote:
On 2015-08-28 19:30, Mark G. Thomas wrote:
Hi,
Does anyone happen to have a spare MXV11-B (M7195-XX) they would be willing
to sell or trade?
I'd like to build a small
Glass blocks UV light. This is why EPROMS were made with quartz windows even
though glass would have been much cheaper. Regular acrylic plastic will block
UV as well, but special types are available that allow
transmission of UV (such as for sun room roof panels and tanning beds).
My other
On 08/28/2015 11:09, Johnny Billquist wrote:
On 2015-08-28 20:07, Fred Cisin wrote:
On Fri, 28 Aug 2015, tony duell wrote:
I realised the other day that I do not live in a normal house. Apart
from the toilet, every room on the ground floor contains at least one
PDP11 (some not set up yet).
On Fri, 28 Aug 2015, tony duell wrote:
I realised the other day that I do not live in a normal house. Apart
from the toilet, every room on the ground floor contains at least one
PDP11 (some not set up yet).
On 2015-08-28 20:07, Fred Cisin wrote:
Nice!
The WC only has microcomputers?
On
I attended Vista at both locations the main building and the basement of the
former Ross store. The new building was a mess, half finished, poorly designed
and with the video studio poorly built. Thanks for the info on the 1620. Petals
is such a vast organization it's entirely possible some
On Thu, 27 Aug 2015, Kevin Tikker wrote:
I went to both Laney and Berkeley City College so you may have a clue.
Thank you
If you actually want to follow-up on such tenuous leads, . . .
Wil Price would know what happened to the 1620 and 1401. So would Ben
Micallef and Jack Olson, but they're
Which government agency?
Sent from my iPhone
On Aug 28, 2015, at 5:15 AM, ben bfranc...@jetnet.ab.ca wrote:
On 8/28/2015 3:14 AM, P Gebhardt wrote:
We all KNOW the government people still have one running
for your tax . After all the bribes and shady dealings
it gets turned on twice
OK, I'm wondering if we're even talking about the same thing here. This
stuff's all labeled Applicon, not Applikon. Nonetheless, here's what I
found. I think there's more like these buried around here somewhere.
https://goo.gl/photos/p2RTXn62xBmv1Ltf9
On Wed, Aug 26, 2015 at 9:43 AM, Jacob
On 8/28/2015 2:00 PM, Kevin Tikker wrote:
Which government agency?
Sent from my iPhone
On Aug 28, 2015, at 5:15 AM, ben bfranc...@jetnet.ab.ca wrote:
On 8/28/2015 3:14 AM, P Gebhardt wrote:
We all KNOW the government people still have one running
for your tax . After all the
On Aug 28, 2015, at 12:04 , Matt Patoray mspproducti...@gmail.com wrote:
Well how about pasting in the link...
http://www.wendycarlos.com/bake%20a%20tape/baketape.html
Thank you very much!
I may try one of those dehydrators just as a path of minimum effort to having a
serviceable tape
Hi Mark,
I think I have 3 left, one with ROMs, one without. Feel free to contact me
off list.
Thanks,, Paul
On Fri, Aug 28, 2015 at 12:30 PM, Mark G. Thomas m...@misty.com wrote:
Hi,
Does anyone happen to have a spare MXV11-B (M7195-XX) they would be willing
to sell or trade?
I'd like
On 28/08/2015 20:36, Geoffrey Oltmans wrote:
Yes, in my case I did it in a mostly dark room with a small UV light (that
I use for erasing EEPROMS), so it didn't get a full sun treatment, but it
did take the better part of a week. And, as you say, I had problems with
keys constantly wanting to
Glass blocks UV light. This is why EPROMS were made with quartz windows
even though glass would have been much cheaper. Regular acrylic plastic
will block UV as well, but special types are available that allow
transmission of UV (such as for sun room roof panels and tanning beds).
My other
Not a concern: we'd just build a walled tub of sorts, put in enough de-
yellowing solution to cover the yellowed item in question, and have the
plexi sitting well above it. The solution would never be anywhere near
the plexi.
Evan,
Actually I was thinking the tub would be built out of plexi.
On Fri, 28 Aug 2015, Kevin Tikker wrote:
I attended Vista at both locations the main building and the basement of
the former Ross store. The new building was a mess, half finished,
poorly designed and with the video studio poorly built.
It is now a mess, half finished (unwired handicap door
On Fri, Aug 28, 2015 at 11:28 AM, Evan Koblentz e...@snarc.net wrote:
Ah! That explains my lack of results. I soaked the keys for five or six
hours. They got clean, but didn't change color very much. Sounds like I
pulled them out too soon. Several days, you say?
The keys float (as noted in
It last long enough to sell on ebay I assume.
-Original Message-
From: Peter Cetinski
Sent: Thursday, August 27, 2015 2:55 PM
To: General Discussion: On-Topic and Off-Topic Posts
Cc: gene...@classiccmp.org
Subject: Re: De-yellowing results
I’ve only seen anecdotes that the yellowing
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