Re: PDP8/e front panels.

2015-06-07 Thread Rod Smallwood
at 10:13 PM, Rod Smallwood rodsmallwoo...@btinternet.com wrote: Hi All I have recently produced a number of high quality custom PDP8/e front panels. They are full size reproductions of the original. The production methods are exactly as used in circa 1971. They are not photographs

PDP8/e front panels.

2015-06-06 Thread Rod Smallwood
to sell and can do more if needed. Due to the custom production they will not be low cost ($95.00 + shipping from UK) If you are interested I'll send you a picture. My photo skills are not that good. Rod Smallwood

PDP-8/e front panels.

2015-06-06 Thread Rod Smallwood
switches availability.) 8/e Microprocessor PCB addon to run an 8/e simulator with serial i/o to a terminal. Rod Smallwood

Re: PDP-8/e front panels.

2015-06-07 Thread Rod Smallwood
On 08/06/2015 02:51, Mike Ross wrote: On Mon, Jun 8, 2015 at 1:13 AM, Noel Chiappa j...@mercury.lcs.mit.edu wrote: From: Rod Smallwood I have recently produced a number of high quality custom PDP8/e front panels. They are full size reproductions of the original

Front Panel Update

2015-06-08 Thread Rod Smallwood
. And after that a lamps and switches board when and if I solve the Stackpole switch levers issue. Please send in your orders so I can allocate production/shipping slots. Regards Rod Smallwood

Re: Front Panel Update

2015-06-08 Thread Rod Smallwood
Hi I did consider that and as there will be more that the few I had planned. I can do that. I thought I might call it a Replic8 or a Fake8 or Makan8 for the kit. I am some what flattered that my humble efforts at artwork could be mistaken for the real thing. Thinking back some forty years I

PDP 8/e Front panel Shipping Forecast

2015-06-09 Thread Rod Smallwood
Hi Guys 1. I have nine 8/e finished panels waiting for me to drill the two round holes Keylock will be drilled 5/8* (May need countersinking from rear) Shaft hole will be drilled 1/4 2, They are my Type

Re: 1990 Era computer room

2015-06-22 Thread Rod Smallwood
It looks like three dual systems with processors sharing common storage. Tandem? or other robust ysytem Rod On 22/06/2015 21:39, Jay West wrote: I saw this newpaper photo on ebay, item 191606970872, where these 2 big wigs are proudly standing in front of their computer system looking

Re: Megaprocessor - built from individual transistors

2015-06-23 Thread Rod Smallwood
Well if that don't take the biscuit for originality. Good luck to you sir. Its a living animated schematic. Rod On 23/06/2015 17:20, Phil Budne wrote: If I were going thru the trouble, I'd want build a TX-0 clone!

Re: 1990 Era computer room

2015-06-23 Thread Rod Smallwood
Yes I noticed the rarther fancy panels with the edgewise meters. I'm begining to wonder if they might be for monitoring private comms circuits. Sort of a comms test box. The meters would be right for signal to noise and the row of buttons at the bottom for channel to monitor selection. On

Re: organizing a trip to Cuba

2015-06-24 Thread Rod Smallwood
I was at DEC when much of this took place . The big concern was not so much the copying but the USSR just buying DEC product on the open market. They would set up a front company, sign up as an oem, pay their bills on time and carry on shipping. It took a while to sink in that good well behaved

Front Panel Tech Note 5 - Options

2015-06-21 Thread Rod Smallwood
Hi Guys The combination of shipments going out and resposes to the survay (thanks everybody) have shown up some diffences between 8/e's. The first and most important one is the change of markings for the selector switch where they must have changed switch type at some point. Its

Front Panel Update A and B panels

2015-06-23 Thread Rod Smallwood
shaft and lock predrilled Price as before $95.00 + $15.00 Shipping Rod Smallwood

Re: Front Panel Tech Note No3

2015-06-14 Thread Rod Smallwood
Well wadda you know! Guess what I'm working on? For a working 8/i replica kit contact oscar vermeulen On 14/06/2015 09:52, Paul Birkel wrote: IMO the 8/I (assuming that you're not heading back to the straight-8 :-). On Sat, Jun 13, 2015 at 4:17 PM, Rod Smallwood rodsmallwoo

Front Panel Tech Note No3

2015-06-13 Thread Rod Smallwood
PDP-8/e Panel Variants I now have a list of _possible_ (not actual) variations. Its not quite the same as what I had before. In addition I have heard there may be colour variations in some cases. A is the current shipping version A No dividing lines between lamp groups

Re: Coating on older DEC slides

2015-06-13 Thread Rod Smallwood
It might be cadmium On 13/06/2015 16:45, John Wilson wrote: On Sat, Jun 13, 2015 at 11:20:19AM -0400, Noel Chiappa wrote: So, what _is_ that grey coating - and, more important, how (if at all) can it be reproduced these days? Wild guess: some kind of oxide? I agree that it doesn't look

Re: Collectors pay big money for old tech

2015-06-13 Thread Rod Smallwood
After all this time unless the configuration in the box is the same as the label on the back then all you have is the serial number of the box and I dont think empty system boxes are worth much. On 13/06/2015 12:57, Noel Chiappa wrote: From: Sean Caron it's a shame if the

Front Panel Tech Note 2

2015-06-10 Thread Rod Smallwood
Asof now I know of two variations 1,Selector switch positions 1 and 6 lines can be vertical or at an angle to the vertical 2,Vertical divider between groups of three lamps Anybody seen an 8/e panel with anything else? Rod

Re: Coating on older DEC slides

2015-06-13 Thread Rod Smallwood
Ever looked at an old radio chassis? They had what I was led to believe was a grey cadium plating over the steel The boxes BA11-ES and the like had I think a coat ing was some kind of Nickel My 11/34A has a greyish coating on the tiltable runners. On 13/06/2015 21:35, couryho...@aol.com

Re: Computing history at CERN - Re: what IBM system is this?

2015-07-05 Thread Rod Smallwood
I remember being taken on a tour around Atlas as part of my college course. It must have been about 1967/8. I went back to work at Harwell (RRD next door to Chilton or Rutherford Labs as it was called) when I returned from Germany in 1971. My job was to interface a PDP8/e to a triple axis

Front Panel Update

2015-07-05 Thread Rod Smallwood
Hi Guys Well I'm back from holiday. I'm now sorting out what I'm calling the PDP 8/e B model panel. This has the markings for the latest type of selector switch, vertical lines between lamp groups and the line round the selector switch area. If anybody has not got an order in and

Re: out-of-mainstream minis

2015-08-21 Thread Rod Smallwood
I'm sure its very intersting. The website is designed for domestic consumption only as its all in Danish. Rod On 21/08/2015 11:27, Ian S. King wrote: I had the privilege of visiting what Nico calls a 'museum-to-be' yesterday evening, and it is far more than most of what I've seen! They have

Re: out-of-mainstream minis

2015-08-21 Thread Rod Smallwood
Yes indeed danger wears a coat of many colours Rod On 21/08/2015 15:45, Toby Thain wrote: On 2015-08-21 10:30 AM, Rod Smallwood wrote: Hi Yes I know, but its not the norm to link from an English language email to a site in another language with no warning. I suppose they think everybody

Re: out-of-mainstream minis

2015-08-21 Thread Rod Smallwood
...@classiccmp.org] On Behalf Of Rod Smallwood Sent: 21 August 2015 11:41 To: General Discussion: On-Topic and Off-Topic Posts cctalk@classiccmp.org Subject: Re: out-of-mainstream minis I'm sure its very intersting. The website is designed for domestic consumption only as its all in Danish. Rod On 21/08/2015 11

Re: Vintage Software Copyright

2015-08-21 Thread Rod Smallwood
So what is the lifetime of a software copyright ? On 21/08/2015 17:25, Mouse wrote: There is also - to me! - a difference between something like ripping off a manual and redistributing it [and] keeping a private archive of such things, to make sure the information is not [lost] Why private?

Re: More on manuals plus rescue

2015-08-21 Thread Rod Smallwood
If you have some equipment surely it would reasonable to have the manuals for it. How the manuals are obtained is open to debate but not if you have the right to own them. Rod On 21/08/2015 17:00, geneb wrote: On Fri, 21 Aug 2015, Evan Koblentz wrote: Years ago I needed a HP service

Re: Vintage Software Copyright

2015-08-21 Thread Rod Smallwood
And... We have a new question. What would have been the first piece of copyrightable software? Rod On 21/08/2015 18:31, Chuck Guzis wrote: On 08/21/2015 10:11 AM, Rod Smallwood wrote: Yes OK and very long would be? It varies by country. In the case of the USA, 95 years from

Re: More on manuals plus rescue

2015-08-21 Thread Rod Smallwood
Excellent! EEC (Europe) is 70 years from the death of a known author or 70 years from publication if the author is unknown On 21/08/2015 18:19, tony duell wrote: If you have some equipment surely it would reasonable to have the manuals for it. How the manuals are obtained

Re: Vintage Software Copyright

2015-08-21 Thread Rod Smallwood
Yes OK and very long would be? On 21/08/2015 18:03, Paul Koning wrote: On Aug 21, 2015, at 12:58 PM, Rod Smallwood rodsmallwoo...@btinternet.com wrote: So what is the lifetime of a software copyright ? The same as any other copyright. It depends on the country, but in general the answer

Re: out-of-mainstream minis

2015-08-21 Thread Rod Smallwood
wrote: My email wasn't 'go look at this site', it was 'I visited these nice people' with the link as a courtesy. What 'norm'? On Aug 21, 2015 4:51 PM, Rod Smallwood rodsmallwoo...@btinternet.com wrote: Yes indeed danger wears a coat of many colours Rod On 21/08/2015 15:45, Toby Thain wrote

Re: Vintage Software Copyright

2015-08-21 Thread Rod Smallwood
It also brings up another issue. When they did finally get some legal stuff into place (circa 1988 over here) was it retrospective.? If not then by definition anything prior is not protected and my be freely distributed. Rod On 21/08/2015 22:34, Fred Cisin wrote: On Fri, 21 Aug 2015, Rod

Re: Vintage Software Copyright

2015-08-21 Thread Rod Smallwood
Hardly a surprise I'm 67 On 21/08/2015 18:50, geneb wrote: On Fri, 21 Aug 2015, Rod Smallwood wrote: So what is the lifetime of a software copyright ? You're going to die before it expires. Quite possibly your grand children as well. g.

Re: Unusual stuff inside computers

2015-08-02 Thread Rod Smallwood
One of my first jobs at DEC was on terminal sales. The LA36 printing terminal had the logic and PSU cards mounted in the plinth. The logic card was on the back of the pull down door and the PSU inside. So easy to service it wasn't true. This compartment was quite roomy and inside fresh

Re: Front Panel Update

2015-08-03 Thread Rod Smallwood
On 03/08/2015 13:35, Pontus Pihlgren wrote: On Mon, Aug 03, 2015 at 12:23:56PM +0100, Rod Smallwood wrote: Hi Guys The drawings for pdp8/e (A), pdp8/e (B), pdp8/f and pdp8/m have now gone to the silkscreeners for checking and costing. I'll let you all know when

Front Panel Update

2015-07-14 Thread Rod Smallwood
Hello Everybody In the course of doing the artwork for 8/e type B I have turned up some more variations. The list now looks like this: 1. Switch position markings 2. Line round switch area 3. The EMA title block isolated from the other titles 4. Lines between groups

Re: Reproducing old machines with newer technology

2015-07-14 Thread Rod Smallwood
Hi Oscar Vermeulen managed to get an 8/I replica going using a Raspberry Pi and Bob's code. You do have to hook into the code of course. I want to do an 8/e the same way. Regards Rod On 14/07/2015 20:25, Paul Koning wrote: On Jul 14, 2015, at 2:42 PM, Rod Smallwood rodsmallwoo

Re: Front Panel Update

2015-07-14 Thread Rod Smallwood
almost completely worn off on mine, but I have a high-quality scan of a good one. -Tom On 14 July 2015 at 19:20, Rod Smallwood rodsmallwoo...@btinternet.com wrote: Hello Everybody In the course of doing the artwork for 8/e type B I have turned up some more variations

Front Panels Sample layout.

2015-07-17 Thread Rod Smallwood
Hi Guys! Further to my previous email. If anybody would like to see the artwork I can send you a copy. Its in *.svg format. Regards Rod

PDP8/e front panels A and B

2015-07-17 Thread Rod Smallwood
Hi Guys! I now have prototype artwork for the two types of 8/e front panel. They differ only in the switch markings. They do both have the same extra (but cosmetic only) features over the first run. Regards Rod

Re: Front Panels Sample layout.

2015-07-18 Thread Rod Smallwood
White layer 8/e front panels A and B On 17/07/2015 22:23, Adrian Stoness wrote: Sure On Friday, July 17, 2015, Rod Smallwood rodsmallwoo...@btinternet.com wrote: Hi Guys! Further to my previous email. If anybody would like to see the artwork I can send you a copy. Its

Re: PDP 11 gear finally moved

2015-07-18 Thread Rod Smallwood
and static but no charge up related failures. Rod Smallwood On 18/07/2015 20:31, tony duell wrote: Oh, sorry, didn't realize they used switchers for the PDP-11s. There have been _many_ DEC PSU designed used for the PDP11. I think all of them used some kind of switching regulator for the +5V

Re: Front Panels Sample layout.

2015-07-19 Thread Rod Smallwood
have, except the the 'f' instead of the 'm'. I like the separation of the LED rows on these panels. Dave On 19-07-15 00:00, Rod Smallwood wrote: Hi I am working on an 8/f version. Its not far along enough to send out just yet . Rod On 18/07/2015 12:34, simon wrote: Hi Rod, that sounds like

Front Panel update

2015-07-21 Thread Rod Smallwood
Hi Guys As usual I try to keep you updated on front panel progress. (Always supposing I know where I am!!) I now have _prototype_ white seperation artwork for four front PDP8 panels 1. pdp8/e Type A 2. pdp8/e Type B 3. pdp8/f 4. pdp8/m I am doing all four together as they

Re: Reproducing old machines with newer technology

2015-07-14 Thread Rod Smallwood
Back at a more general level. To my way of thinking what Bob Supnik did in software can be extended by producing a hardware replica vehicle for his code to give the illusion that the original system has been recreated. A sort of machine Turing test if you will. Rod Smallwood / / /On 14/07

Re: VT100 and/or VT105 rescued from scrap

2015-10-21 Thread Rod Smallwood
Yes I think it is. Board is easy to check. It looks a totally different type of board ie cheap and nasty Rod On 10/21/2015 11:51 AM, william degnan wrote: On Wed, Oct 21, 2015 at 6:19 AM, Rod Smallwood < rodsmallwoo...@btinternet.com> wrote: VT 100's have one weak point. The m

Re: DecServer 550 chassis

2015-10-19 Thread Rod Smallwood
Its a terminal concentrator. I have a load of those 8 and 16 line cards. They would have fanned out to via splitter cables to back /front panels with 9/25 way D connectors. They look in a bit of a sorry state. I would not apply power or plug into any other chassis. Rod On 19/10/2015

Re: New logo: Vintage Computer Federation

2015-10-15 Thread Rod Smallwood
g AAA, smallarms fire and ground to air missiles demo". Aparrantly one guy said to the person sat next to him it's a pity you had your eyes closed when we flew under the high voltage wires. You missed going under the bridge on the other side Rod Smallwood On 15/10/2015 04:16, Jon Elson wrote:

Re: New logo: Vintage Computer Federation

2015-10-14 Thread Rod Smallwood
Sorry old chap just an example. I'm a old DEC guy. My biggest system is a VAX I think the 360 was back in the days when they rented every thing so not much was left behind Mind you I would not turn down a racks worth of AS400 On 14/10/2015 16:05, Jon Elson wrote: On 10/14/2015 09:15 AM, Rod

Re: New logo: Vintage Computer Federation

2015-10-14 Thread Rod Smallwood
Where is the vintage computer! I cant see one Rod On 14/10/2015 08:11, Pontus Pihlgren wrote: I like it, especially the digital take on the laurel wreath. But as others have said, complex logos are not always a good choice. Especially not if you intend to use it in print or on clothing.

Re: New logo: Vintage Computer Federation

2015-10-14 Thread Rod Smallwood
I have in front of me my copy of the TTL databook for Design Engineers Its dated 1973. Its full of 74 series logic. Rod Smallwood On 14/10/2015 19:04, ben wrote: On 10/14/2015 8:15 AM, Rod Smallwood wrote: OK so if we agree there are three classes computer Namely Micro,Mini, and Mainframe

Re: New logo: Vintage Computer Federation

2015-10-15 Thread Rod Smallwood
With out going into detail and whilst working in Germany in 1969 I pulled a few Saturday night operator shifts for cash in hand on a big Nixdorf system. Just to help out a friend who did not like being there on her own. The Computer room was air conditioned and filtered down to microns. Being

Re: New logo: Vintage Computer Federation

2015-10-15 Thread Rod Smallwood
Did you work for DEC if so where/ On 15/10/2015 16:02, Paul Koning wrote: On Oct 15, 2015, at 8:27 AM, Rod Smallwood <rodsmallwoo...@btinternet.com> wrote: ... DEC had a helicopter service. The pilots had nealy all been in Vietnam. I heard the following story at a sales m

Re: New logo: Vintage Computer Federation

2015-10-15 Thread Rod Smallwood
So the Eagles could phone home I guess On 15/10/2015 16:20, Eric Christopherson wrote: On Thu, Oct 15, 2015 at 10:02 AM, Paul Koning <paulkon...@comcast.net> wrote: On Oct 15, 2015, at 8:27 AM, Rod Smallwood <rodsmallwoo...@btinternet.com> wrote: ... DEC had a helicopter service

Re: Motherboard (Was: The Burroughs B5900 and E-Mode

2015-10-15 Thread Rod Smallwood
I re-read the artical and backplane is what he called it. At least he called the wirewrap version that. I went back to my engineer days and tried to think what I would have called it. Bus board or main interconnect is all I can think of. Rod On 15/10/2015 18:18, Fred Cisin wrote: Wire

Re: Data General NOVA 4/C help

2015-10-21 Thread Rod Smallwood
Well done Sir!! Knowing the terminal is OK is a real booster. Regards Rod On 20/10/2015 20:45, Henk Gooijen wrote: With thanks to Bruce, Jay and Rod, good news, although something has gone wrong first. Learned a few things! Long story ... As I did not see anything

Re: VT100 and/or VT105 rescued from scrap

2015-10-21 Thread Rod Smallwood
VT 100's have one weak point. The monitor is a bought in part from Ball Bros. The Ball supplied drive board burns up a diode and cap. It will be obvious on inspection of the board. I have never been able to get a circuit diagram or I'd do a replacement board. Needless to say the DEC parts

Re: Data General NOVA 4/C help

2015-10-17 Thread Rod Smallwood
Whilst I have no experience of DG systems I am familar with drives of that era. The red label is important. If you did not put the shipping locks in we must assume it travelled without. Thats not good. If the journey was not too bumpy then you may be ok. I have seen floppy drives with shipping

Re: New logo: Vintage Computer Federation

2015-10-14 Thread Rod Smallwood
Smallwood On 14/10/2015 11:57, william degnan wrote: There are circumstantial / companion versions logo, stand by Bill Degnan twitter: billdeg vintagecomputer.net On Oct 14, 2015 4:39 AM, "Rod Smallwood" <rodsmallwoo...@btinternet.com> wrote: Where is the vintage computer! I c

Re: H960 logo panel

2015-10-12 Thread Rod Smallwood
That would have been from the Kanata factory. The Irish (Galway) factory did same thing as they were both building to client order. Rod On 12/10/2015 16:14, Noel Chiappa wrote: So, I recently acquired a machine which has an unusual "digital equipment of canada, ltd." pdp11 logo panel at the

Re: H960 logo panel

2015-10-12 Thread Rod Smallwood
tly to me, file size does not matter. The higher the resolution the better! Or store at a repository, more guys probably want to download it. - Henk -Oorspronkelijk bericht- From: Rod Smallwood Sent: Monday, October 12, 2015 5:56 PM To: General Discussion: On-Topic and Off-Topic Posts Su

Re: VT52s, VT61s lots of DEC and DG keyboards- return trip through Maine, MA, NY, PA, OH, IN to IL

2015-10-13 Thread Rod Smallwood
I remember getting a laugh at one product training. I got asked to name a unique feature of the VT52. My answer "Built in toilet paper dispenser" On 13/10/2015 06:20, Nigel Williams wrote: Thanks Jos, Tony and Rod - you've neatly highlighted why I found the screen printer so curious and

Re: VT52s, VT61s lots of DEC and DG keyboards- return trip through Maine, MA, NY, PA, OH, IN to IL

2015-10-13 Thread Rod Smallwood
Its called a Hellschreiber http:// www.nonstopsystems/radio/pdf-hell/hell-g5xb.pdf Regards Rod On 13/10/2015 06:20, Nigel Williams wrote: Thanks Jos, Tony and Rod - you've neatly highlighted why I found the screen printer so curious and fascinating, an oddball feature in the terminal world

Re: VT52s, VT61s lots of DEC and DG keyboards- return trip through Maine, MA, NY, PA, OH, IN to IL

2015-10-12 Thread Rod Smallwood
turn of the drum = advance one scan line. Rod Smallwood DEC Terminals Product Line 1973 On 13/10/2015 04:16, Paul Anderson wrote: I picked up a few of the VT52s today and they looked pretty good. A little yellow, no burns on screen, nice keyboards. I'll be picking up more later this week

DEC Alpha 3000 Model 600

2015-09-07 Thread Rod Smallwood
I thought it might be nice to have a DEC based graphics work station. I had the Alpha, a high res monitor and the Hobbyist Media CD for ALPHAVMS 8,3. (yes the system supports 8.3) SFSG .. So CD in the drive and switch on. First a nice colour graphics demo/test. Then the nomal system level

Re: DEC Alpha 3000 Model 600

2015-09-07 Thread Rod Smallwood
for a week's KGB (kids gone back) holiday to-morrow, so I'll have a go when I get back. Rod On 07/09/2015 11:37, Peter Coghlan wrote: Rod Smallwood wrote: I thought it might be nice to have a DEC based graphics work station. I had the Alpha, a high res monitor and the Hobbyist Media CD

Re: DEC Alpha 3000 Model 600

2015-09-07 Thread Rod Smallwood
. PBXGG ATI RADEON 7500 2D and 3D, PCI and AGP graphics option So you might be out of luck on that front. Mark. On 07/09/15 10:16, Rod Smallwood wrote: I thought it might be nice to have a DEC based graphics work station. I had the Alpha, a high res monitor and the Hobbyist Media CD for ALPHAVMS

Re: Somewhat OT: Freighting Items

2015-09-01 Thread Rod Smallwood
Hi Ali It was just an idea - I am located in the UK - distances are shorter and rates different. We have a lot of "white (ie unmarked) van men" who are keen to do anything that can be done in a day. Rod Smallwood On 01/09/2015 16:22, Ali wrote: If its a desk then its

Re: Somewhat OT: Freighting Items

2015-09-01 Thread Rod Smallwood
If its a desk then its furniture. So go to the experts. Look for home contents movers with an empty backhaul. Rod On 01/09/2015 14:23, Cory Heisterkamp wrote: What Todd is suggesting sounds a lot like youcrate.com. They were an economical alternative for a while (friends have used them

Front Panel Progress - 8/e (type A B) e/f and 8/m Update

2015-08-25 Thread Rod Smallwood
Hi Guys! I now have the (hopefully) final artwork for all four PDP-8 front panel variations. I have made up a display file. The file shows the combined black positive master for white lines, white text and logos for all four designs. There can be up to five layers and hence screens

Re: DEC Alpha 3000 Model 600

2015-09-15 Thread Rod Smallwood
-based Alpha Workstations and Servers. PBXGF 3DLabs OXYGEN VX1 graphics option that provides 2D acceleration for supported PCI-based Alpha Workstations and Servers. PBXGG ATI RADEON 7500 2D and 3D, PCI and AGP graphics option So you might be out of luck on that front. Mark. On 07/09/15 10:16, Rod Sma

Re: Cloud-cuckoo land

2015-09-26 Thread Rod Smallwood
Missing toggle switches = Not working for repair or parts. Value $500.00 On 26/09/2015 13:35, Noel Chiappa wrote: I'm not sure which is more amusing: http://www.ebay.com/itm/191523958984 the price they expect to get, or calling it a 'mainframe'. Noel -- Wanted : KDJ11-E M8981

PDP8 Front panels

2015-09-30 Thread Rod Smallwood
as opposed to the 8/e which is white. If anybody spots an error on my part in any of the drawings please let me know. If you have any scanned images as opposed to photographs I'd love a copy. Regards Rod Smallwood -- Wanted : KDJ11-E M8981

Re: One more try - Can you ID this S-100 Serial board?

2015-10-01 Thread Rod Smallwood
I have been doing a bit of spadework on this one. There was a company call MCT who advertised in the PC Mag. in the early 80's The products were add-ons for PC's. The possibiliy that they made S100 products prior to 1980 is not an unreasonable one. So anybody with an early 80's PC Mag might

Re: This is sad...

2015-10-03 Thread Rod Smallwood
Save your money for something thats at least repairable if not working. Don't buy trash from this guy. Rod On 03/10/2015 23:25, Johnny Billquist wrote: On 2015-10-03 22:47, Geoff Oltmans wrote: On the downside they could have ended up in the dump many years ago... True. But in this case

DEC Alpha 3000 Model 600

2015-09-20 Thread Rod Smallwood
I'm pleased to be able to report the successful installation of OpenVMS 8.3 - Alpha on my 3000 M600 It now runs Dec Windows on the graphics screen and a terminal on the serial port. TCPIP works and I can get to my local network OK. Now to find a browser. There must have been one Rod --

Re: Self modifying code, lambda calculus - Re: ENIAC programming

2015-09-19 Thread Rod Smallwood
On 18/09/2015 14:33, tony duell wrote: Are there any computers that do let you put microcode into RAM now-days. "Now-days"? There are some that do that, some of which are still in operational shape. Some VAXen, in particular, have something called "writable control store", which is

Re: Self modifying code, lambda calculus - Re: ENIAC programming

2015-09-19 Thread Rod Smallwood
On 19/09/2015 14:03, Paul Koning wrote: On Sep 19, 2015, at 5:25 AM, Rod Smallwood <rodsmallwoo...@btinternet.com> wrote: Is an overlay self modifyig code? Yes (#2 in my list), but a controlled kind so it doesn't suffer from the maintainability issues of explicitly modified instru

Overlay - one answer

2015-09-21 Thread Rod Smallwood
And we have a winner of the overlay competition . From the CBASIC manual The CHAINstatement can load two types of programs: an overlay program generated by the linker, or a directly executable file. As I used CBASIC this must be where I got it from Rod Smallwood

Re: Maximizing value selling a working 11/34

2015-12-08 Thread Rod Smallwood
Hi Noel Being in the UK the morality or otherwise is not for me to comment. I have an 11/34A awaiting restoration. So I would not have a vested interest in its market value. What I can't work out is why there's such an old system still in working order. 1. What the heck is

Re: TU-58

2015-12-02 Thread Rod Smallwood
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

Re: TU-58

2015-12-02 Thread Rod Smallwood
(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 6:40 AM, Rod Smallwood wrote: Dear List While the silk screeners process

Re: TU-58

2015-12-02 Thread Rod Smallwood
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

Re: TU-58

2015-12-02 Thread Rod Smallwood
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

Re: A stored collection piece is a Schrodinger's cat

2015-11-29 Thread Rod Smallwood
how to fix it. Rod Smallwood It *is* a fiendishly complex looking thing. The failure mode this time is slightly different to last time though, I intend to see what happens if I give it a completely dummy load, to see if it really is anything to do with the machine or not, there could be a short

Re: TU-58

2015-12-02 Thread Rod Smallwood
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

Re: TU-58

2015-12-02 Thread Rod Smallwood
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 For us lesser mortals the

Re: TU-58

2015-12-03 Thread Rod Smallwood
the actual outer diameter is 0.625 inches. I calculate that as 15.9 mm Thanks ... Rod Smallwood On 03/12/2015 10:02, Rik Bos wrote: -Oorspronkelijk bericht- Van: cctalk [mailto:cctalk-boun...@classiccmp.org] Namens Rod Smallwood Verzonden: woensdag 2 december 2015

TU-58

2015-12-04 Thread Rod Smallwood
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 been told (Tony D I think) thats what its supposed to do.

Re: TU-58

2015-12-04 Thread Rod Smallwood
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

TU-58

2015-12-02 Thread Rod Smallwood
Dear List While the silk screeners process the panels I have a couple of days for a little project 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.!!! I know this issue has been addressed before. So I think

Re: Panel Pics

2015-12-10 Thread Rod Smallwood
On 10/12/2015 18:27, Jay West wrote: I'd be happy to host the site for you - gratis - on the classiccmp server. J Oh! Thats nice of you Jay. I had not considered doing it that way. I'd got as far as finding out you can get a tracker to keep a domain name linked to whatever your current

Panel Pics

2015-12-10 Thread Rod Smallwood
Calling All Panel Fans In my panel picture gallery I have the following: 8/e type A 8/e type B 8/e (galway) 8/e (maynard) 8/f (maynard) 8/f (galway) 8/m (maynard) 8/i (-"-) 8/l (-"-) 8/s (-"-) 11/20 11/35 11/40 11/45

Re: Panel Pics

2015-12-10 Thread Rod Smallwood
Hi Mike Er no but I ought to set something up I could put the drawings up as well. I did have a web site for the company I ran but I shut it all down on retirement. So lets see how rusty I am. We will need Static IP address Domain Name registration Dead end system Linux Distro Server -

Re: WTB: PDP-11/03 front bezel

2015-12-17 Thread Rod Smallwood
something or other. I also thought of maybe making a silicone mould and use casting resin. Rod Smallwood

Re: What did computers without screens do?

2015-12-15 Thread Rod Smallwood
ister displays. So right away you are into binary. Its the underlying foundation of all digital computers. Lamps and switches are all you need for binary and boy is binary useful!! Analog computers are interesting but you really need degree level maths to get the best out of them. Rod Smallwood

New Special Project

2015-12-10 Thread Rod Smallwood
Hi All I am working on a new special project. I can't reveal what it is yet. But I can tell you the bell is finished in polished brass with electromechanical striker and the whistle has its own air supply. Rod If you understand this and you are not out to grass (retired) like me

Re: TOP POSTING

2015-12-10 Thread Rod Smallwood
I'm not sure I understand what all this posting business is about. The application (Thunderbird) puts the text where it wants. In my case at the top. ie LIFO or latest first. It does the same with the list of messages Decmail did this from its inception as did the IBM, HP. etc mail systems. I

Re: Panel Pics

2015-12-10 Thread Rod Smallwood
Thanks Adrian I will check it out. Rod On 10/12/2015 10:05, Adrian Graham wrote: On 10 December 2015 at 09:53, Rod Smallwood <rodsmallwoo...@btinternet.com> wrote: Linux Distro Server - Apache? Do you know I think there was a version for VMS As an old computer guy I like to have m

Re: TOP POSTING

2015-12-10 Thread Rod Smallwood
Er nope it just refers to android R On 10/12/2015 12:28, Peter Coghlan wrote: I'm not sure I understand what all this posting business is about. The application (Thunderbird) puts the text where it wants. In my case at the top. ie LIFO or latest first. It does the same with the list of

Re: TOP POSTING

2015-12-10 Thread Rod Smallwood
On 10/12/2015 13:27, Peter Coghlan wrote: Er nope it just refers to android R He didn't include a signature in that message. Try looking at an earlier one. Here's another explaination. When someone receives this message, where are they supposed to start reading? They have to rummage

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