Re: Front Panel Update

2015-06-09 Thread Pontus Pihlgren
On Tue, Jun 09, 2015 at 06:50:25AM +, d...@661.org wrote: > On Tue, 9 Jun 2015, Pontus Pihlgren wrote: > > >There are so many versions. The blue and green are my > >favourites. The chocolate 11/70 requires special mention. > > > >Here are some examples I've collected. > > > >http://www.update.

Re: Front Panel Update

2015-06-09 Thread Rod Smallwood
DEC was very keen on its OEM business and if the order was big enough would allow some variation in colours but would not allow the dec logo to be removed or changed. Whilst not for a pdp 8. I do have a front panel label with both digital and REUTERS on it The 8/f has a white border with

MOSTEK FLP-80 Assembler

2015-06-09 Thread Philip Lord
Does anyone have a copy of Mostek FL-80 Assembler, or know where it can be downloaded? Much thanks. Philip

NY Times Video Feature : The Apple Collector

2015-06-09 Thread Christian Liendo
I thought this was rather nice. http://bits.blogs.nytimes.com/2015/06/08/video-feature-the-apple-collector/?_r=1

Re: PDP-8/e front panels.

2015-06-09 Thread Noel Chiappa
> From: Rod Smallwood > The switches were made by a company in the US called Stackpole > ... > They are a normal slide type modified with a U bracket to allow the > attachment of a lever arm to operate the switch when toggled up and > down. Ah; the 11/05's (which is what 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: PDP 8/e Front panel Shipping Forecast

2015-06-09 Thread Chris Osborn
On Jun 9, 2015, at 6:40 AM, Rod Smallwood wrote: > 2, They are my Type A. (As photo) There is no photo, the mailing list removes attachments. Could you put the picture on http://imgur.com and send the link? -- Follow me on twitter: @FozzTexx Check out my blog: http://insentricit

Re: Front Panel Update

2015-06-09 Thread Paul Koning
> On Jun 9, 2015, at 3:58 AM, Rod Smallwood > wrote: > > > DEC was very keen on its OEM business and if the order was big enough would > allow some variation in colours but would not allow the dec logo to be > removed or changed. I’m not sure if that’s completely true. I remember a PDP11 (

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Steven M Jones
On 06/07/2015 10:02 PM, Mark J. Blair wrote: And... All diagnostics pass! Woohoo! Great to hear, well done Mark! I hope one of these days soon I'll join you - my 730 was able to boot the last time I powered it up in the early 90s, but I have no idea what I'll find when I finally amass the n

RE: Rescue update: DEC RC-25s + / was Re: DEC cartridge ID

2015-06-09 Thread Robert Armstrong
> Ethan Dicks [mailto:ethan.di...@gmail.com] wrote: >I suppose if you found a way to wedge the upper and lower arms of > the removable cartridge so the heads weren't damaged, ... I think it's even harder than that - the firmware in the drive will spin down if it thinks the removable cartridge i

Re: Rescue update: DEC RC-25s + / was Re: DEC cartridge ID

2015-06-09 Thread Joseph Lang
Bob Take a look at the tu81 manual on bitsavers ek_tu81-tm_002_nov85.pdf The appendix describes the m8739 unibus klesi. It's tmscp but it applies to mscp as well. Joe On Jun 8, 2015, at 9:27 AM, "Robert Armstrong" wrote: >> tony duell [mailto:a...@p850ug1.demon.co.uk] wrote: >> >> Is the KL

RE: Rescue update: DEC RC-25s + / was Re: DEC cartridge ID

2015-06-09 Thread Robert Armstrong
> tony duell [mailto:a...@p850ug1.demon.co.uk] wrote: > >Is the KLESI printset on-line anywhere? The schematics are online (sounds like they've been found now), but that only tells you the electrical interface between the controller and the drive. That part's pretty simple (which is why it loo

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Mike Ross
On Mon, Jun 8, 2015 at 7:05 AM, Mark J. Blair wrote: > I finally got the excellent AK6DN tu58em emulator working as my VAX-11/730's > console drive, as discussed on VCF. Could you throw me a link to that please? I have a 730 I'm going to have to have a hack at at some point... Mike http://www.

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Mark J. Blair
> On Jun 8, 2015, at 07:05, Mike Ross wrote: > > On Mon, Jun 8, 2015 at 7:05 AM, Mark J. Blair wrote: >> I finally got the excellent AK6DN tu58em emulator working as my VAX-11/730's >> console drive, as discussed on VCF. > > Could you throw me a link to that please? I have a 730 I'm going to

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Peter Coghlan
Mark J. Blair wrote: > > Since I can't seem to boot up my R80 or my other RL02 pack (labeled > "VMS53RL02SYS" on top) yet, I've been trying to bring up the VMS 5.3 > Standalone Backup tape images I found there. No luck so far. I have > never run a VMS Standalone Backup environment before, but I am

Re: Rescue update: DEC RC-25s + / was Re: DEC cartridge ID

2015-06-09 Thread Sean Caron
Yeah, there were a few CDC drives like that ... I encountered a few "Hawk" drives once on an old Alpha Micro S-100 machine long ago; I believe it was, five megs fixed, five megs removable? The pack was about the size of a garbage can lid and I believe the unit spun them up to around 2400 RPM or s

Re: PDP-8/e front panels.

2015-06-09 Thread Paul Koning
> On Jun 9, 2015, at 9:27 AM, Noel Chiappa wrote: > >> From: Rod Smallwood > >> The switches were made by a company in the US called Stackpole >> ... >> They are a normal slide type modified with a U bracket to allow the >> attachment of a lever arm to operate the switch when toggled up and >>

Re: Front Panel Update

2015-06-09 Thread Noel Chiappa
> From: Paul Koning > I remember a PDP11 (11/45 probably) at the University of Illinois, > ... The system was called ANTS (not sure what that stands for) "ARPA Network Terminal System". According to RFC-597, Illinois had both an 11/20 and an 11/50 (11/45 variant) running ANTS; other s

Re: PDP-8/e front panels.

2015-06-09 Thread Noel Chiappa
> From: Paul Koning >> I think the 11/20 might have used the slide switches (its switch >> register looks just like the one on the -8M). > .. PDP11 switches are mini toggle switches as far as I remember .. > Yes, the 11/40 and 11/45, for one; the 11/20 also. I don't have an 1

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Mark J. Blair
> On Jun 8, 2015, at 08:58, Peter Coghlan wrote: > > Standalone backup is a very small VMS environment. You get a "$" prompt and > the only command which it accepts is "BACKUP". You don't get to mount > anything > as BACKUP will perform any mounting needed itself. I'm not sure but it is > al

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Mark J. Blair
Self-replying for another possibly-dumb question. Would any of the TU58 images below likely be full VMS installation images, as opposed to just updates and patches? http://iamvirtual.ca/VAX11/VAX-11-software.html If so, another option might be to make a fresh installation onto a blank RL02 (I

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Johnny Billquist
On 2015-06-09 17:45, Mark J. Blair wrote: Self-replying for another possibly-dumb question. Would any of the TU58 images below likely be full VMS installation images, as opposed to just updates and patches? http://iamvirtual.ca/VAX11/VAX-11-software.html If you by "full VMS installation" mea

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 09:04, Johnny Billquist wrote: > > On 2015-06-09 17:45, Mark J. Blair wrote: >> Self-replying for another possibly-dumb question. Would any of the TU58 >> images below likely be full VMS installation images, as opposed to just >> updates and patches? >> >> http://iamvirtu

HP 700/92 terminal for sale

2015-06-09 Thread Shawn Gordon
Perfect working condition, both monitor and keyboard. This is not the actual unit but it is the same model http://www.retrocomputing.net/parts/hp/HP70092/P0007274.jpg $80 obo plus shipping.

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Peter Coghlan
> > The issue that I'm having at the moment is that when I try to boot from either > that RL02 pack or the R80, VMB.EXE reports "%BOOT-F-Unable to locate BOOT > file". I don't know yet whether there's something not-right about the > contents of the hard drives, or I need to configure something (?)

Re: Front Panel Update

2015-06-09 Thread Rod Smallwood
There was a letter that went to a large terminals digital oem in about 1975 stating as below as being the position. Guess who signed the letter? I''ll give you a hint. It wasn't Ken Olsen! On 09/06/2015 15:30, Paul Koning wrote: On Jun 9, 2015, at 3:58 AM, Rod Smallwood wrote: DEC was very

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 09:57 , Peter Coghlan wrote: > [Lots of great stuff] Thank you very much! The clue about R5 on other VAXen may prove to be critically helpful. I can study the various boot scripts for clues to see if the register use looks consistent. I did see one hint that sticking 1 ins

PDP8

2015-06-09 Thread Paul Anderson
With all the traffic on 8 front panels, which sounds great, I was asked about letting a few of mine go a while ago. The plan was to test and configure to order. A few list members inquired about selling a few as is making it cheaper for them, and more educational. I thought about it, looked at som

Re: Front Panel Update

2015-06-09 Thread Pontus Pihlgren
They can't have enforced it all that hard. I've seen a few like these: http://www.update.uu.se/~pontus/slask/front_paneler/pdp-8m-cc-computer-control.JPG http://www.update.uu.se/~pontus/slask/front_paneler/pdp-8e-cddp.jpg http://www.update.uu.se/~pontus/slask/front_paneler/pdp-8l-UCC.jpg /P On

Re: NY Times Video Feature : The Apple Collector

2015-06-09 Thread Pontus Pihlgren
On Tue, Jun 09, 2015 at 12:47:26PM +, Christian Liendo wrote: > I thought this was rather nice. > > http://bits.blogs.nytimes.com/2015/06/08/video-feature-the-apple-collector/?_r=1 Impressive! Nicely presented too. He has lots of non-apple hardware in his collection which made it even more

ANTS (Was Re: Front Panel Update)

2015-06-09 Thread Jason T
On Tue, Jun 9, 2015 at 9:30 AM, Paul Koning wrote: > I’m not sure if that’s completely true. I remember a PDP11 (11/45 probably) > at the University of Illinois, around 1975. It was used as a terminal > controller for ARPAnet. The system was called ANTS (not sure what that > stands for), and

RE: Front Panel Update

2015-06-09 Thread tony duell
> > DEC was very keen on its OEM business and if the order was big enough would > > allow some variation in > > colours but would not allow the dec logo to be removed or changed. > I’m not sure if that’s completely true. I remember a PDP11 (11/45 probably) > at the University of Illinois, arou

Blue tape retainers

2015-06-09 Thread Chuck Guzis
I'm getting a little tired of replacing old dried-out foam blocks to hold down the ends of 1/2" tapes. Worse, some of the ones I've fished out have utterly crumbled over the years, leaving bits of themselves inside the reel. One thing that I recall is that many tape manufacturers used a blue,

Re: Blue tape retainers

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 14:32 , Chuck Guzis wrote: > > I'm getting a little tired of replacing old dried-out foam blocks to hold > down the ends of 1/2" tapes. Worse, some of the ones I've fished out have > utterly crumbled over the years, leaving bits of themselves inside the reel. I am curiou

Re: Blue tape retainers

2015-06-09 Thread COURYHOUSE
foam blocks ... hated the things we just tucked one end of the tape under the tape ring and snapped it shut seems things stayed in place nicely and no foam outgassing under the seal of the tape ring. Ed# _www.smecc.org_ (http://www.smecc.org) In a message dated 6/9/2015 2:38

Re: Front Panel Update

2015-06-09 Thread Johnny Billquist
On 2015-06-09 23:15, tony duell wrote: DEC was very keen on its OEM business and if the order was big enough would allow some variation in colours but would not allow the dec logo to be removed or changed. I’m not sure if that’s completely true. I remember a PDP11 (11/45 probably) at the Un

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Johnny Billquist
On 2015-06-09 20:01, Mark J. Blair wrote: On Jun 9, 2015, at 09:57 , Peter Coghlan wrote: [Lots of great stuff] Thank you very much! The clue about R5 on other VAXen may prove to be critically helpful. I can study the various boot scripts for clues to see if the register use looks consiste

Re: Front Panel Update

2015-06-09 Thread COURYHOUSE
ONLY SOMETIMES... remember Varian also made scientific instruments that had computers lasted to them and probably used dec when they were not making their own mini Ed# _www.smecc.org_ (http://www.smecc.org) In a message dated 6/9/2015 2:46:50 P.M. US Mountain Standard Time,

Re: Blue tape retainers

2015-06-09 Thread Chuck Guzis
On 06/09/2015 02:38 PM, Mark J. Blair wrote: I am curious: NOS tapes that I bought in the last year or so came with the foam blocks, but I don't recall ever encountering either a foam block or the magic plastic tape "back in the day" on tapes from the rack that I handled as a backup operator. I

Re: Blue tape retainers

2015-06-09 Thread Dennis Boone
> I am curious: NOS tapes that I bought in the last year or so came > with the foam blocks, but I don't recall ever encountering either a > foam block or the magic plastic tape "back in the day" on tapes from > the rack that I handled as a backup operator. I presume that if they > came with bl

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 14:43 , Johnny Billquist wrote: > Yes, R5 is more or less used the same on all VAXen, since this is used by > VMB, which almost all VAXen use in one form or another. Thank you very much for the R5 details! I presume that the other registers and the VMB.EXE that reads them

Re: Blue tape retainers

2015-06-09 Thread Dennis Boone
> foam blocks ... hated the things we just tucked one end of the tape > under the tape ring and snapped it shut seems things stayed in place > nicely and no foam outgassing under the seal of the tape ring. Those of us with autoload drives despised you. :) Well, ok, the 3420 drives probably did

Re: Blue tape retainers

2015-06-09 Thread Dennis Boone
> Obviously for the auto-loading drives, either would be bad news. But > it's for the last reason that I'm interested in the blue (well, > sometimes white) tape. Or yellow. I'd like a source of these too. Foam blocks were ok back then, but it seems like it's hard to guess which type will not

Re: Blue tape retainers

2015-06-09 Thread COURYHOUSE
never owned an auto load drive nor do I want to! always afraid of anything autoloadthings getting eaten! Ed# In a message dated 6/9/2015 2:54:36 P.M. US Mountain Standard Time, d...@msu.edu writes: > foam blocks ... hated the things we just tucked one end of the tape > unde

Re: Blue tape retainers

2015-06-09 Thread Mark J. Blair
Was the magic tape silicone, or was it maybe something like vinyl, like the clear vinyl (?) film used for no-adhesive window decals? -- Mark J. Blair, NF6X http://www.nf6x.net/

RE: Front Panel Update

2015-06-09 Thread tony duell
> WTF? Varian was a competitor of DEC. They made minis themselves. Sounds > extremely strange that one would take a DEC mini, and put a Varian badge > on it. Did someone try to make a joke? I will always think of Varian as a maker of (very high quality) vacuum equipment. I am sure this was not

Re: Blue tape retainers

2015-06-09 Thread Mike Loewen
On Tue, 9 Jun 2015, Mark J. Blair wrote: Was the magic tape silicone, or was it maybe something like vinyl, like the clear vinyl (?) film used for no-adhesive window decals? I have a couple of those strips on some tapes - feels like vinyl. Mike Loewen mloe...@

Re: Blue tape retainers

2015-06-09 Thread jwsmobile
On 6/9/2015 2:54 PM, Dennis Boone wrote: > foam blocks ... hated the things we just tucked one end of the tape > under the tape ring and snapped it shut seems things stayed in place > nicely and no foam outgassing under the seal of the tape ring. Those of us with autoload drives despised

Re: Blue tape retainers

2015-06-09 Thread Eric Smith
On Tue, Jun 9, 2015 at 3:58 PM, Mark J. Blair wrote: > Was the magic tape silicone, or was it maybe something like vinyl, like the > clear vinyl (?) film used for no-adhesive window decals? I think the ones I used were vinyl. A little thicker than the parking permits I had a few years ago, but a

RE: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread tony duell
> > I do not think you can install VMS on an RL02. It's too small. Probably not with modern-ish VMS, but at one time I think you could. I read somewhere that a supported configuration of the 11/730 was the processor and 2 RL02 drives, one for the system, the other for user files I must get m

Re: NY Times Video Feature : The Apple Collector

2015-06-09 Thread Chris Halarewich
Here is another interview with Lonnie https://www.youtube.com/watch?v=Fu5wcgWdJQI On 6/9/15, Pontus Pihlgren wrote: > On Tue, Jun 09, 2015 at 12:47:26PM +, Christian Liendo wrote: >> I thought this was rather nice. >> >> http://bits.blogs.nytimes.com/2015/06/08/video-feature-the-apple-collec

WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
In order to be able to move data between my vintage and modern computers more effectively, I am looking for one or both of these items: 1) DEC TZ30 tape drive. This is a TK50-compatible drive in a 1/2 height form factor with a SCSI interface. 2) 1/2" open reel magtape drive with SCSI interface.

Re: Blue tape retainers

2015-06-09 Thread Chuck Guzis
On 06/09/2015 03:01 PM, jwsmobile wrote: The blue, white, or yellow material felt like and worked like latex. It may have had some treatment to make it have the tactile adhesion you felt, but it left zero residue on the tape despite the adhesion to the mylar backing on the tape. I think the g

Re: Blue tape retainers

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 15:20 , Chuck Guzis wrote: > I remember when the self-threading vacuum column drives were introduced. The > usual procedure was the clip off the last inch or two of the leader before > using them. Of course, if you carried the same tape between auto- and > manual-threadi

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Johnny Billquist
On 2015-06-09 23:54, Mark J. Blair wrote: On Jun 9, 2015, at 14:43 , Johnny Billquist wrote: Yes, R5 is more or less used the same on all VAXen, since this is used by VMB, which almost all VAXen use in one form or another. Thank you very much for the R5 details! I presume that the other re

Re: Blue tape retainers

2015-06-09 Thread Chuck Guzis
Could this be the right stuff? http://www.amazon.com/Grafix-9-Inch-12-Inch-9-Pack-Assorted/dp/B00114OVFE/ref=pd_sxp_f_pt It seems to me that I've seen it in the form of letters to be stuck to windows. --Chuck

Re: Blue tape retainers

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 15:33 , Chuck Guzis wrote: > > Could this be the right stuff? > > http://www.amazon.com/Grafix-9-Inch-12-Inch-9-Pack-Assorted/dp/B00114OVFE/ref=pd_sxp_f_pt > > It seems to me that I've seen it in the form of letters to be stuck to > windows. That looks really promising.

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Glen Slick
On Tue, Jun 9, 2015 at 3:15 PM, Mark J. Blair wrote: > In order to be able to move data between my vintage and modern computers more > effectively, I am looking for one or both of these items: > > 2) 1/2" open reel magtape drive with SCSI interface. Preferably with 6250 BPI > capability. Doesn'

Re: Blue tape retainers

2015-06-09 Thread jwsmobile
On 6/9/2015 3:20 PM, Chuck Guzis wrote: I think the guess of being vinyl is probably bang on. Latex would have long since degraded. I asked a group who collect Political Memorabilia and make temporary signs, and they suggested the term that I think hits the material. The temporary signs are

Re: Front Panel Update

2015-06-09 Thread Paul Koning
> On Jun 9, 2015, at 5:58 PM, tony duell wrote: > > >> WTF? Varian was a competitor of DEC. They made minis themselves. Sounds >> extremely strange that one would take a DEC mini, and put a Varian badge >> on it. Did someone try to make a joke? > > I will always think of Varian as a maker of (

Re: Blue tape retainers

2015-06-09 Thread Paul Koning
> On Jun 9, 2015, at 6:01 PM, Mike Loewen wrote: > > On Tue, 9 Jun 2015, Mark J. Blair wrote: > >> Was the magic tape silicone, or was it maybe something like vinyl, like the >> clear vinyl (?) film used for no-adhesive window decals? > > I have a couple of those strips on some tapes - feel

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread jwsmobile
On 6/9/2015 3:44 PM, Glen Slick wrote: http://www.ebay.com/itm/191583247197 I have picked up a couple in the $50-$100 range. I had two of those which came with Sun 4-280 systems. Hamilton used them for doing custom Pal and prom stuff in their offices and I got the systems there. I suspect

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 15:44 , Glen Slick wrote: > > An alternative would be to look for a cheap Fujitsu M2444AC tape drive > (often seen with Sun badges). They have Pertec interfaces, but it is > probably easier and cheaper most of the time to find a Pertec tape > drive interface for a DEC system

Re: Front Panel Update

2015-06-09 Thread William Donzelli
Varian bought the design of the 620. I forget the name of the original firm, but I have a brochure on it. Weird things happen. CDC rebadged small VAX machines and Nova 3s, for example, even with their minicomputer line intact. -- Will On Tue, Jun 9, 2015 at 6:45 PM, Paul Koning wrote: > >> On J

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 15:44 , Glen Slick wrote: > You don't do eBay any more, and asking over $300 is way to much, but > here is what the look like for reference: > http://www.ebay.com/itm/191583247197 > I have picked up a couple in the $50-$100 range. If their prices weren't so high, I have a fr

Front Panel Tech Note No1

2015-06-09 Thread Rod Smallwood
To act as a diffuser we use two strips of semi translucent tape across the clear areas where the lamps/LED's shine through. However DEC lamps / LEDs are not noted for their brilliance. So unless requested we will leave them off. Rod Smallwood

Re: Front Panel Update

2015-06-09 Thread Paul Anderson
Was that in the "Astromony building" on Goodwin located next to CSL? It was not on contract with us, at least not very often. I worked on it several times. It had 2 DB11- unibus repeaters on it, and was supposedly the longest bus ever. Paul On Tue, Jun 9, 2015 at 9:30 AM, Paul Koning wrote:

Re: Front Panel Update

2015-06-09 Thread Paul Koning
The ANTS system I saw was in CAC, the building originally built to house Illiac IV. It sat next to an IMP (a 6 foot high battleship gray box with a large hoisting eye on top). paul > On Jun 9, 2015, at 7:21 PM, Paul Anderson wrote: > > Was that in the "Astromony building" on Goodwin

Re: Blue tape retainers

2015-06-09 Thread Pete Turnbull
On 09/06/2015 22:32, Chuck Guzis wrote: One thing that I recall is that many tape manufacturers used a blue, sort of "sticky silicon" tape to hold ends in place. This stuff never seems to degrade. Since I used to buy them, I can say with some authority that (1) they're vinyl tape, as others h

Re: Blue tape retainers

2015-06-09 Thread ben
On 6/9/2015 5:38 PM, Pete Turnbull wrote: On 09/06/2015 22:32, Chuck Guzis wrote: One thing that I recall is that many tape manufacturers used a blue, sort of "sticky silicon" tape to hold ends in place. This stuff never seems to degrade. Since I used to buy them, I can say with some authorit

Re: Blue tape retainers

2015-06-09 Thread COURYHOUSE
I have had them come inthem for video tape too and they were seem to be white vinyl in this case Ed# _www.smecc.org_ (http://www.smecc.org) In a message dated 6/9/2015 5:04:47 P.M. US Mountain Standard Time, bfranc...@jetnet.ab.ca writes: On 6/9/2015 5:38 PM, Pete Turnb

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Johnny Billquist
On 2015-06-10 00:59, Mark J. Blair wrote: On Jun 9, 2015, at 15:44 , Glen Slick wrote: An alternative would be to look for a cheap Fujitsu M2444AC tape drive (often seen with Sun badges). They have Pertec interfaces, but it is probably easier and cheaper most of the time to find a Pertec tape

Re: Front Panel Update

2015-06-09 Thread Paul Anderson
I think that was on Springfield, down a few blocks. On Tue, Jun 9, 2015 at 6:32 PM, Paul Koning wrote: > The ANTS system I saw was in CAC, the building originally built to house > Illiac IV. It sat next to an IMP (a 6 foot high battleship gray box with a > larg

Re: Front Panel Update

2015-06-09 Thread COURYHOUSE
Unisys absorbed Varian mini computers ie the V 77 nice chart in this pdf of the family tree http://rmarsh.cs.und.edu/CLASS/CS451/HANDOUTS/os-unisys.pdf by the way the purchase agreement was dated 1977 between Uni and Var we have lots of manuals in the catacombs unisys/var

Re: Blue tape retainers

2015-06-09 Thread Brent Hilpert
On 2015-Jun-09, at 3:01 PM, jwsmobile wrote: > I find that the Writghtline seals work the best if the tapes were not and > are not hung with them. Eventually the white material will fail, or the > black lock will break, but they are by far the longest lasting other than > just a clear box con

DEC H7842-A, -D power supplies for PC100, PC278 etc

2015-06-09 Thread Paul Anderson
My crew found some of these today that are extremely clean. Getting closer to the mother lode. If interested, please contact me off list. Paul

Re: Blue tape retainers

2015-06-09 Thread ben
On 6/9/2015 8:15 PM, Brent Hilpert wrote: On 2015-Jun-09, at 3:01 PM, jwsmobile wrote: I find that the Writghtline seals work the best if the tapes were not and are not hung with them. Eventually the white material will fail, or the black lock will break, but they are by far the longest lastin

Re: Blue tape retainers

2015-06-09 Thread Fred Cisin
It's one of those tape collar-seals breaking spontaneously, at which point the hung reel falls to the floor and takes off across the room, generally unwinding the tape as it goes. If it is generally UNwinding the tape as it goes, the reason is exactly the same as why buttered toast always falls

Re: Blue tape retainers

2015-06-09 Thread ben
On 6/9/2015 8:55 PM, Fred Cisin wrote: It's one of those tape collar-seals breaking spontaneously, at which point the hung reel falls to the floor and takes off across the room, generally unwinding the tape as it goes. If it is generally UNwinding the tape as it goes, the reason is exactly the

Re: Blue tape retainers

2015-06-09 Thread COURYHOUSE
wonders how long it takes the seal to decay? when in the biz had tapes on the rack for 13 years and no falling . Ed# _www.smecc.org_ (http://www.smecc.org) In a message dated 6/9/2015 7:42:06 P.M. US Mountain Standard Time, bfranc...@jetnet.ab.ca writes: On 6/9/2015 8:15 PM,

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Bob Rosenbloom
On 6/9/2015 4:09 PM, Mark J. Blair wrote: On Jun 9, 2015, at 15:44 , Glen Slick wrote: You don't do eBay any more, and asking over $300 is way to much, but here is what the look like for reference: http://www.ebay.com/itm/191583247197 I have picked up a couple in the $50-$100 range. If their pr

TRW Cinch connectors-found a few boxes or nos.

2015-06-09 Thread Paul Anderson
please contact me of list if interested.

80 column (un)punched cards

2015-06-09 Thread Mike Stein
I just got rid of the last of my punched card equipment so I no longer need any blank cards; anybody out there need any? 1 box (2000) normal light buff (off-white) colour, around 500 of same with blue stripe, and several dozen of various colours, all with the normal numbers printed and "all

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 20:45 , Bob Rosenbloom wrote: > I have a Fujitsu M2444AC sitting in my hangar up here in Santa Cruz. You can > have it if you can get someone to pick it up. > Photo's here: > > http://www.dvq.com/Fujitsu/ You probably guessed already that my friend in Santa Paula is also a

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
BTW, there was a SCSI variant of my Kennedy tape drive. I would be very pleasantly surprised if I managed to find the card to convert my drive over to SCSI, though. I think that finding one would be a real long-shot. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Blue tape retainers

2015-06-09 Thread Chuck Guzis
On 06/09/2015 08:21 PM, ben wrote: Also would not a fall like that damage the tape reel? When baking tapes with the Wright Line seals, I've learned to remove the seals. If you leave them on, the tapes at 58C, will often just fall right out the seal--the coefficient of expansion is much larg

RE: Front Panel Update

2015-06-09 Thread tony duell
> Interesting. Varian is a microwave equipment company; I have one of their > TWTs sitting on my H960 at home. > Vacuum equipment, I could believe that. But yes, Varian made a 16 bit > minicomputer; I had a handbook for it at My father was a physical chemist who did a lot of work with vacuu

Re: Blue tape retainers

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 21:46 , Chuck Guzis wrote: > > When baking tapes with the Wright Line seals Please forgive my ignorance, but which variety are the Wright Line seals? I think I've encountered three styles of magtape widgets: The "common" white plastic with a black buckle and squarish hook

Re: 80 column (un)punched cards

2015-06-09 Thread Chuck Guzis
On 06/09/2015 08:52 PM, Mike Stein wrote: I just got rid of the last of my punched card equipment so I no longer need any blank cards; anybody out there need any? 1 box (2000) normal light buff (off-white) colour, around 500 of same with blue stripe, and several dozen of various colours, all wit

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Chuck Guzis
On 06/09/2015 09:13 PM, Mark J. Blair wrote: Thank you very much for the offer! If I'm not mistaken, that drive has a Pertec interface, though, like the Kennedy 9610 that I already have, so I think I will let somebody else have a crack at it. That drive model looks familiar; we probably had at

Re: Blue tape retainers

2015-06-09 Thread couryhouse
They breathe better  if you do not have thenm sealed..ed www.smecc.org Sent from my Verizon Wireless 4G LTE smartphone Original message From: Chuck Guzis Date: 06/09/2015 9:46 PM (GMT-07:00) To: gene...@classiccmp.org, "discuss...@classiccmp.org:On-Topic and Off-Topi

Re: Blue tape retainers

2015-06-09 Thread Chuck Guzis
On 06/09/2015 09:57 PM, Mark J. Blair wrote: Please forgive my ignorance, but which variety are the Wright Line seals? I think I've encountered three styles of magtape widgets: The "common" white plastic with a black buckle and squarish hook, which have been on the vast majority of tapes I've ev

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 22:11 , Chuck Guzis wrote: > Not complete off-topic, but I just received an email from Shaun Halstead that > he's looking to get rid of a CDC Keystone drive (vertically mounted) (read: > TU80 family, with Pertec interface) that was apparently used on a Xerox > system. > >

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
Oh, and furthermore, I'm much more comfortable in a UNIX environment than anything PC/DOS/Windows. Linux is fine, but I would expect pain getting drivers for some random Pertec card. So, PC platforms that might accept a Pertec card aren't my preferred environment. -- Mark J. Blair, NF6X http

Re: Blue tape retainers

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 22:20 , Chuck Guzis wrote: > > On 06/09/2015 09:57 PM, Mark J. Blair wrote: > >> Please forgive my ignorance, but which variety are the Wright Line >> seals? I think I've encountered three styles of magtape widgets: The >> "common" white plastic with a black buckle and squa

Re: WTB /WTT DEC TZ30 and/or 1/2" open reel SCSI magtape drives

2015-06-09 Thread Chuck Guzis
On 06/09/2015 10:31 PM, Mark J. Blair wrote: Any particular reason why Pertec IF isn't desirable? I already have 1-2 Pertec IF drives; my Kennedy 9610, and presumably my TU80 based on the two 50-pin cables between it and my VAX. I don't have any Pertec interface controllers on my modernish, up

Re: Blue tape retainers

2015-06-09 Thread Chuck Guzis
On 06/09/2015 10:40 PM, Mark J. Blair wrote: Hmm, the NOS 3M 777 tapes that I got off eBay have "that one" seals. Did 3M later switch to Wright Line seals? Off to google pictures of random mag taps for edutainment purposes... Boy, do I know how to have fun! The 3M ones that I've seen are hard

Re: Blue tape retainers

2015-06-09 Thread Chuck Guzis
I finally succeeded in putting a name to where I've seen that clingy vinyl material before--in a children's toy: Google: "Colorforms" --Chuck

Re: Blue tape retainers

2015-06-09 Thread Mark J. Blair
> On Jun 9, 2015, at 22:57 , Chuck Guzis wrote: > > The 3M ones that I've seen are hard white plastic (not PVC or whatever Wright > Line used) with a keyhole-sort of affair that allows the circle to expand. Interesting. I don't think I've encountered that style before, or if I did, that memor

Re: PDP-8/S

2015-06-09 Thread Lyle Bickley
On Tue, 9 Jun 2015 14:27:57 -0400 Michael Thompson wrote: > > > > Date: Mon, 08 Jun 2015 12:26:07 -0700 > > From: couryhouse > > Subject: Re: Front Panel Update > > > > 8s is rare?? ? We have one. ?Is there a an registry? ? > > Ed# ?smecc.org > > > > Ben. > > > > > I know of 17 PDP-8/S systems,

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