My speculation would be that TU58 did not add anything of value or
convenience to these systems.
I used Ultrix-11, V7M, Venix in this era. My recollection is that in
most cases to build these systems and patch them, you needed regular
access to 800/1600 BPI tape. Given this relatively standa
On 2/3/19 5:13 PM, GREEN wrote:
> I built support under V6 all in user space. That would be in the early 1980s
> and I don’t recall it being very difficult. I suspect others did that as
> well. Have you tried looking in the USENIX tapes?
>
I will probably look at writing a driver once I have so
I built support under V6 all in user space. That would be in the early 1980s
and I don’t recall it being very difficult. I suspect others did that as well.
Have you tried looking in the USENIX tapes?
Sent from my iPhone
> On Feb 3, 2019, at 4:33 PM, Bill Gunshannon via cctalk
> wrote:
>
>> O
On 2/3/19 3:41 PM, Aaron Jackson wrote:
> TU-58 support wouldn't need to be in the kernel, it could easily run in
> user space. Perhaps someone had written an application in user-space to
> dump TU-58 tapes.
I was looking for a device driver and when I didn't find it I
looked at SPD's and release
TU-58 support wouldn't need to be in the kernel, it could easily run in
user space. Perhaps someone had written an application in user-space to
dump TU-58 tapes.
Aaron.
Bill Gunshannon via cctalk writes:
> Here's a question for someone who has been around long enough to
> remember.
>
> Why did
> From: Bill Gunshannon
> Why did none of the available PDP-11 Unixes support the TU-58?
> I have looked at Ultrix-11, V7M and BSD 2.11
The 'TUHS' list might be more likely turn up the reasoning?
Noel
On 04/21/2017 10:13 PM, Don North via cctalk wrote:
> On 4/21/2017 6:55 PM, allison wrote:
>> On 04/21/2017 09:34 PM, Don North via cctalk wrote:
>>> On 4/21/2017 4:25 PM, Brian L. Stuart via cctalk wrote:
I've seen suggestion that TU-58s are emulated in simh on
PDP-11s. However, I'm not
From: cctalk [cctalk-boun...@classiccmp.org] on behalf of Don North via cctalk
[cctalk@classiccmp.org]
Sent: Friday, April 21, 2017 10:13 PM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: TU-58 in simh
On 4/21/2017 6:55 PM, allison
On 04/21/2017 09:34 PM, Don North via cctalk wrote:
> On 4/21/2017 4:25 PM, Brian L. Stuart via cctalk wrote:
>> I've seen suggestion that TU-58s are emulated in simh on
>> PDP-11s. However, I'm not seeing it in a show dev and my
>> google-fu is failing me to find any info on how to use it. Any
>
On Fri, 4/21/17, Don North via cctalk wrote:
> On 4/21/2017 4:25 PM, Brian L. Stuart via cctalk wrote:
>> I've seen suggestion that TU-58s are emulated in simh on
>> PDP-11s. However, I'm not seeing it in a show dev and my
>> google-fu is failing me to find any info on how to use it. Any
>> poin
On 4/21/2017 6:55 PM, allison wrote:
On 04/21/2017 09:34 PM, Don North via cctalk wrote:
On 4/21/2017 4:25 PM, Brian L. Stuart via cctalk wrote:
I've seen suggestion that TU-58s are emulated in simh on
PDP-11s. However, I'm not seeing it in a show dev and my
google-fu is failing me to find any
On 4/21/2017 6:34 PM, Don North via cctalk wrote:
On 4/21/2017 4:25 PM, Brian L. Stuart via cctalk wrote:
I've seen suggestion that TU-58s are emulated in simh on
PDP-11s. However, I'm not seeing it in a show dev and my
google-fu is failing me to find any info on how to use it. Any
pointers on
On 4/21/2017 4:25 PM, Brian L. Stuart via cctalk wrote:
I've seen suggestion that TU-58s are emulated in simh on
PDP-11s. However, I'm not seeing it in a show dev and my
google-fu is failing me to find any info on how to use it. Any
pointers on how to boot from a TU-58 image?
TIA,
BLS
Using
OK as you surmised its destined for 'eleven_heaven' my row of q-bus
pdp11's 11/23 11/53 11/73.
I I also have two 11/94's (Hybrid bus) waiting on the day KDJ11-E's
don't cost $2000.
DLV-11J I have or what ever the four port one is called.
Plus backplate with four 25way D connectors and split r
On 2015-12-07 10:24, Pete Turnbull wrote:
On 06/12/2015 17:27, Jerome H. Fine wrote:
In addition, even before that, you must match the CSR and
VECTOR with the DL port you are using. On a Qbus
system with a DLV11-J, usually the first DL port is:
SET DD CSR=176500
SET DD VECTOR=300
On a PDP
On 06/12/2015 17:27, Jerome H. Fine wrote:
In addition, even before that, you must match the CSR and
VECTOR with the DL port you are using. On a Qbus
system with a DLV11-J, usually the first DL port is:
SET DD CSR=176500
SET DD VECTOR=300
On a PDP-11/23, there is an extra port at:
SET DD
its working ok now. Its hung off of an old notebook on a serial port.
NB has dos 6.2 and some drivers I found on spare time gizmos site
I discovered by chance that the rubber compression sleeve from an NType
RF connector
is exactly the right size and when cut in half fixes both drive wheels.
I
>On Friday, December 4th, 2015 at 11:41 A.M. GMT (6:41 A.M. EST) Rod
Smallwood wrote:
Hello All
Well I managed to find some suitable rubber tubing and
glued it in place of the nasty black mess.
So I put everything back and turned on. Lo and Behold LED on the board
flashed once
And we have a runner.. it was set for 19.2k
A quick change of config.sys and off we go.
I have only one cartridge so no tape to tape
Pc to tape works. So now to find one of my systems with a spare serial port
R
On 05/12/15 16:15, Johnny Billquist wrote:
On 2015-12-05 13:29, tony duell wrote:
> >
> >> TU58 's is ready to test. I tried it in a spare serial port on a VS 3100.
> >> Result nothing. I suspect the port is 423 and the tu58 232.
> >
> > Actually the TU58 serial port has the differential driver and receivers used
> > on the later serial ports. It should talk to DECs version of R
On 2015-12-05 13:29, tony duell wrote:
TU58 's is ready to test. I tried it in a spare serial port on a VS 3100.
Result nothing. I suspect the port is 423 and the tu58 232.
Actually the TU58 serial port has the differential driver and receivers used
on the later serial ports. It should talk
Hi
At the moment I have it connected to an old laptop running msdos
and gizmos driver for same.
Its showing signs of life at 38400. I have BOB in circuit and can see
the commands going to it.
Some times it responds and sometimes it does not.
Rod
On 05/12/15 12:29, tony duell wrote:
TU5
>
> TU58 's is ready to test. I tried it in a spare serial port on a VS 3100.
> Result nothing. I suspect the port is 423 and the tu58 232.
Actually the TU58 serial port has the differential driver and receivers used
on the later serial ports. It should talk to DECs version of RS423 with no
prob
Hi
My late uncle had a Myford in a shed at my Grandmothers house in
Norfolk.
By the time I was tall enough to use it he had moved it to his house
down the road
TU58 's is ready to test. I tried it in a spare serial port on a VS 3100.
Result nothing. I suspect the port is 423 and the tu58 23
>
> Hi Tony
> Thats interesting I had thought about a model makers lathe.
> I have a pillar drill and the usual set of tools.
I am darn glad I asked for a lathe instead of a car (and driving lessons) when
my late father offered to buy me the latter. I still can't drive, but I don't
On Wed, Dec 02, 2015 at 12:31:42PM -0600, Paul Anderson wrote:
>
> Any one have ideas for a TU10 or other tape drive capstans?
>
I went with http://www.terrysrubberrollers.com/. Since the TU10 just wraps the
tape around the capstan it needs to be pretty high friction. The material
used was a litt
Yes thats right nothing soft inside the case.
On 04/12/2015 15:28, Al Kossow wrote:
On 12/4/15 6:40 AM, Pontus Pihlgren wrote:
I seem to recall that the "roller" in the cartridge also turns
to goo, might want to check that out also.
Nope, it's hard plastic. They have been known to have cr
On 12/4/15 6:40 AM, Pontus Pihlgren wrote:
I seem to recall that the "roller" in the cartridge also turns
to goo, might want to check that out also.
Nope, it's hard plastic. They have been known to have crescents worn
into them if the tape jams and it can't spin against the pinch roller
thou
On Fri, Dec 04, 2015 at 08:01:05AM -0600, Chris Elmquist wrote:
>
>
> On December 4, 2015 5:41:52 AM CST, Rod Smallwood
> wrote:
> >Hello All
> >Well I managed to find some suitable rubber tubing and
> >glued it in place of the nasty black mess.
> >So I put everything back and
On December 4, 2015 5:41:52 AM CST, Rod Smallwood
wrote:
>Hello All
>Well I managed to find some suitable rubber tubing and
>glued it in place of the nasty black mess.
>So I put everything back and turned on. Lo and Behold LED on the board
>flashed once and stayed on.
>
>I had
Hi Tony
Thats interesting I had thought about a model makers lathe.
I have a pillar drill and the usual set of tools.
I did start out as a mechanical engineer and my
top subjects at school were metalwork and technical drawing.
My metalwork master put me in for those subjects in GCE a
Great!
We take it off list from here.
Very nice work on the HP by the way!
/Anders
> Date: Wed, 2 Dec 2015 21:04:55 +0100
> From: Rik Bos
> To: "General Discussion: On-Topic Posts"
> Subject: RE: TU-58
> Message-ID:
> Content-Type: text/plain; charset="utf-
> Hi
> Well it certainly works for you Rik.
> I dont speak Dutch and its not clear exactly which of the products you
> refer to.
> The end of hub appears to have been turned on a lathe.
> So if you speak Dutch and have a nice big lathe in your shed you can fix
> your TU58
Surely you don't n
>
> I tried measuring a whole bunch of circles, and I can't find any rational
> reason why dividing the circumference by the diameter never came out even!
> :-)
Groan!
-tony
I tried measuring a whole bunch of circles, and I can't find any rational
reason why dividing the circumference by the diameter never came out even! :-)
On Thu, 3 Dec 2015, Tapley, Mark wrote:
Howzabout: go to Fort Smith, NT, Canada (or thereabouts, 60? N)
Walk or swim as appropriate, measuring
On Dec 2, 2015, at 5:27 PM, Johnny Billquist wrote:
> You need to measure more of them! You've just been unlucky.
>
> Johnny
Unfair advantage! Johnny might actually have driven through Hagfors or
Uddeholm! (Also 60° N)
On Dec 2, 2015, at 5:22 PM, Fred Cisin wrote:
> I tried measuring a whole bunch of circles, and I can't find any rational
> reason why dividing the circumference by the diameter never came out even! :-)
Howzabout: go to Fort Smith, NT, Canada (or thereabouts, 60° N)
Walk or swim as appropriate,
> Thanks ..
> That helps.
>
> 1. The hub measures about 11mm so I should be able to get a 10mm
>bore hose on (warm it up a bit might help) .
Yep.
> 2. What type of glue is best?
I use 2k but in the past I used PU-glue, both works fine.
> 3. You can see how thick the old o
23:20
Aan: General Discussion: On-Topic and Off-Topic Posts
Onderwerp: Re: TU-58
Hi
Well it certainly works for you Rik.
I dont speak Dutch and its not clear exactly which of the products you
refer to.
The end of hub appears to have been turned on a lathe.
So if you speak Dutch and have a
> -Oorspronkelijk bericht-
> Van: cctalk [mailto:cctalk-boun...@classiccmp.org] Namens Chuck Guzis
> Verzonden: woensdag 2 december 2015 23:24
> Aan: General Discussion: On-Topic Posts
> Onderwerp: Re: TU-58
>
> On 12/02/2015 01:51 PM, Rik Bos wrote:
>
> >
> -Oorspronkelijk bericht-
> Van: cctalk [mailto:cctalk-boun...@classiccmp.org] Namens Rod Smallwood
> Verzonden: woensdag 2 december 2015 23:20
> Aan: General Discussion: On-Topic and Off-Topic Posts
> Onderwerp: Re: TU-58
>
> Hi
> Well it certainly wor
I tried measuring a whole bunch of circles, and I can't find any
rational reason why dividing the circumference by the diameter never
came out even! :-)
On Thu, 3 Dec 2015, Johnny Billquist wrote:
You need to measure more of them! You've just been unlucky.
OK!
I started to wonder whether I nee
On 2015-12-03 00:22, Fred Cisin wrote:
On Wed, 2 Dec 2015, Tony wrote:
Mathematically, circumference is PI times diameter or 3.14159.
times the diameter.
That's of a CIRCLE, and once you deform it, it ceases to be a circle.
I tried measuring a whole bunch of circles, and I can't find any
On Wed, 2 Dec 2015, Tony wrote:
Mathematically, circumference is PI times diameter or 3.14159. times the
diameter.
That's of a CIRCLE, and once you deform it, it ceases to be a circle.
I tried measuring a whole bunch of circles, and I can't find any rational
reason why dividing the circu
On 12/02/2015 01:51 PM, Rik Bos wrote:
It's not the first time this discussion comes around.. Poly Urethane
rubber, it's called in dutch 'precisie buis/slang' and you can get it
in several sizes from 6mm to . large http://www.deboerit.nl/ is my
supplier it's a local firm.
That's curious--when
search goes on.
Rod
On 02/12/2015 21:51, Rik Bos wrote:
-Oorspronkelijk bericht-
Van: cctech [mailto:cctech-boun...@classiccmp.org] Namens tony duell
Verzonden: woensdag 2 december 2015 22:29
Aan: General Discussion: On-Topic Posts
Onderwerp: RE: TU-58
This is the picture..
https
> -Oorspronkelijk bericht-
> Van: cctech [mailto:cctech-boun...@classiccmp.org] Namens tony duell
> Verzonden: woensdag 2 december 2015 22:29
> Aan: General Discussion: On-Topic Posts
> Onderwerp: RE: TU-58
>
> >
> > This is the picture..
> >
> I'm also intessted in this. I have a dual TU-58 that belongs to my VAX
> 11/730 that need new capstan rubber. European source...
>
> /Anders
This is the picture..
https://www.flickr.com/photos/hp-fix/9452805294/in/album-72157634959418702/
I'm using a special kind of hose, which is precisely ma
> Date: Wed, 2 Dec 2015 12:40:08 +
> From: Rod Smallwood
> To: "General Discussion: On-Topic and Off-Topic Posts"
>
> Subject: TU-58
> Message-ID: <565ee6a8.2030...@btinternet.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> Dear List
> While the silk
>
> This is the picture..
> https://www.flickr.com/photos/hp-fix/9452805294/in/album-72157634959418702/
> I'm using a special kind of hose, which is precisely made.
OK, what is it called, who makes it, and where can you buy it?
-tony
@classiccmp.org"
Onderwerp: Re: TU-58
> Date: Wed, 2 Dec 2015 12:40:08 +
> From: Rod Smallwood
> To: "General Discussion: On-Topic and Off-Topic Posts"
>
> Subject: TU-58
> Message-ID: <565ee6a8.2030...@btinternet.com>
> Content-Typ
I have no idea what the material is called. I just bought something
that was close on the O.D. and I.D. that I thought would work. But,
when I look up PEX tubing at Home Depot, I found some stuff with .625"
O.D. which is maybe just a tad smaller than what I found, and 0.5" I.D.
which seems bigge
Sorry forgot to use feed back from the tape.
Usually a timing track or a phase locked loop clock drived from the data
stream.
Don't worry
On 02/12/2015 17:50, tony duell wrote:
Circumference and Diameter are linked by the constant Pi and therefore
are an entity.
Its a little more complex wit
Is that PEX tubing you are referring to Jay?
Any one have ideas for a TU10 or other tape drive capstans?
On Wed, Dec 2, 2015 at 9:31 AM, Jay Jaeger wrote:
> I used orange over black tubing designed for carrying water under
> pressure from Home Depot (here in the US), and then sanded it down to
> Mathematically, circumference is PI times diameter or 3.14159. times
> the diameter.
Doesn't that depend on the defintion of 'distance' in that a circle is the
set of points in a plane equidistant from a given fixed point? Using the
'normal' definition of distance you do indeed get the ab
On Wed, 2 Dec 2015, Paul Koning wrote:
I'm sorry for stirring up this hornet's nest.
Well, I put "emoticons" in, in a futile attempt to indicate that I was
joking. ("emoticon captioned for the humo[u]r impaired") I also hoped that
the "in some states" would give a further hint to that. I cou
>
> Circumference and Diameter are linked by the constant Pi and therefore
> are an entity.
> Its a little more complex with a rubber wheel and its indented path.
Indeed. And that may even depend on the type of 'rubber' used and how
it deforms when pressed against the cartridge drive wheel. Remem
In my case the roller does not distort noticeably - it was pretty stiff
material.
JRJ
On 12/2/2015 10:48 AM, Paul Koning wrote:
> I'm sorry for stirring up this hornet's nest.
>
> I actually meant to ask a real question, and the way I phrased it made a mess
> of things. The real question: fo
On 12/2/2015 9:50 AM, Rod Smallwood wrote:
> Thanks Jay
> Yes there's an optical encoder on the other end of the motor.
> Depending on the pressure of the roller on the cassette drive wheel it
> will deform more or less.
> That effectivley changes the diameter and hence the speed. So yo
I'd rarther get a bit of tube for my TU58.
Hint The key is to understand the nature of elasticity in particular the
rate change with respect to time.
On 02/12/2015 16:48, Paul Koning wrote:
I'm sorry for stirring up this hornet's nest.
I actually meant to ask a real question, and the way I p
I'm sorry for stirring up this hornet's nest.
I actually meant to ask a real question, and the way I phrased it made a mess
of things. The real question: for rubber rollers in this sort of application,
does the distortion that occurs significantly affect the circumference? Or is
the nature
On 2 December 2015 at 17:13, Tony wrote:
> Mathematically, circumference is PI times diameter or 3.14159. times the
> diameter.
[1] Please do not top-quote.
[2] Turn up your humour detectors.
The OP was making a joke about this:
https://en.wikipedia.org/wiki/Indiana_Pi_Bill
That is why h
I say.. come on chaps.. this is not math 101.
Any more suggestions for sources of a bit of rubber tube?
Rod Smallwood
On 02/12/2015 16:13, Tony wrote:
Mathematically, circumference is PI times diameter or 3.14159.
times the diameter.
On 12/2/2015 11:06 AM, Fred Cisin wrote:
On Wed, 2
Hi Guys
Circumference and Diameter are linked by the constant Pi and therefore
are an entity.
Its a little more complex with a rubber wheel and its indented path.
However as we are using closed loop control
when the measured term equals the target term there you are.
You can get into loop fil
Ugh... Could this thread get any more
offensive to people's knowledge..
On 12/2/2015 11:13 AM, Tony wrote:
Mathematically, circumference is PI
times diameter or 3.14159. times
the diameter.
On 12/2/2015 11:06 AM, Fred Cisin wrote:
On Wed, 2 Dec 2015, Paul Koning wrote:
Actually, it's
Mathematically, circumference is PI times diameter or 3.14159. times
the diameter.
On 12/2/2015 11:06 AM, Fred Cisin wrote:
On Wed, 2 Dec 2015, Paul Koning wrote:
Actually, it's the circumference that matters, not the diameter.
I always thought that there was a relatively stable relatio
On Wed, 2 Dec 2015, Paul Koning wrote:
Actually, it's the circumference that matters, not the diameter.
I always thought that there was a relatively stable relationship between
those! :-)
Circumference tends to be a little over 3 times the diameter (3.0 in some
states):-)
Does the circ
> On Dec 2, 2015, at 10:50 AM, Rod Smallwood
> wrote:
>
> Thanks Jay
>Yes there's an optical encoder on the other end of the motor.
> Depending on the pressure of the roller on the cassette drive wheel it will
> deform more or less.
> That effectivley changes the diameter and hence
Thanks Jay
Yes there's an optical encoder on the other end of the motor.
Depending on the pressure of the roller on the cassette drive wheel it
will deform more or less.
That effectivley changes the diameter and hence the speed. So you need
to set it.
Its a DC motor so you can con
I used orange over black tubing designed for carrying water under
pressure from Home Depot (here in the US), and then sanded it down to a
reasonable O.D. size (IIRC). Worked great.
I don't know that the diameter is absolutely critical - I think it has
some kind of speed encoding.
On 12/2/2015 6:
On Wed, Dec 2, 2015 at 7:40 AM, Rod Smallwood
wrote:
> I have a TU-58 and yes it had gooey drive wheels.
> Now it no longer has that problem but I have black and gooey fingers.!!!
Yep.
> I know this issue has been addressed before.
Yep.
> So I think somebody must know where I can get the right
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