Datum MDP-1/MCU front panel

2017-07-07 Thread jim stephens via cctalk
Anyone have an information on a system that Datum built? Found their headquarter was at 1363 S State College, Anaheim, CA., so may be why it turned up in scrap around here (Orange, Country, CA) location if anyone is interested https://goo.gl/maps/Kf888FEdZYH2

Re: Announcing: VCF PNW

2017-07-07 Thread Brad H via cctalk
Ooh.  That might be one to bring my TVT and Mark-8 stuff to, provided we don't have another winter like we did last year.  I'm up in BC and we just got pounded this year with snow and bad weather.. if it's like that again I'll have to pass.. BC drivers are terrible on snow. Sent from my

Re: Any 7 track drives available?

2017-07-07 Thread Chuck Guzis via cctalk
On 07/07/2017 05:26 PM, Ethan Dicks wrote: n't know of how much time you want to spend on it >> >> (Offlist) > > It wasn't off-list... > > -ethan I realized that just after I hit "send". My apologies to the list--I really don't want to clutter things up. --Chuck

Re: Any 7 track drives available?

2017-07-07 Thread Ethan Dicks via cctalk
On Fri, Jul 7, 2017 at 8:20 PM, Chuck Guzis via cctalk wrote: > On 07/07/2017 04:39 PM, Al Kossow via cctalk wrote: >> Don't know of how much time you want to spend on it > > (Offlist) It wasn't off-list... -ethan

Re: Any 7 track drives available?

2017-07-07 Thread Chuck Guzis via cctalk
On 07/07/2017 04:39 PM, Al Kossow via cctalk wrote: > Can you come up with any HP 7970 drives? > I have spare 7/9 track read-only combo head stacks > Don't know of how much time you want to spend on it (Offlist) I don't know, Al. I've got 6 tapes in a batch of 50 that are 7/556 and are labeled

Re: Any 7 track drives available?

2017-07-07 Thread Al Kossow via cctalk
Can you come up with any HP 7970 drives? I have spare 7/9 track read-only combo head stacks Don't know of how much time you want to spend on it On 7/7/17 2:32 PM, Chuck Guzis via cctalk wrote: > Hi Gang, > > I just got another batch of tapes. While the customer specified 9 > track, there are a

RE: Line printer art: (was Re: tape baking)

2017-07-07 Thread Peter Coghlan via cctalk
> > > > > If anyone's running Hercules or some other uses-EBCDIC emulator, here's > > the link to the .tap image file. > > > > https://app.box.com/s/8rxbihjjnw5zdkesym4cjwqswekufagh > > > > --Chuck > > Sadly I don't think that's much use on Hercules as it needs an AWS or HET > file. Is there a

Re: Announcing: VCF PNW

2017-07-07 Thread geneb via cctalk
On Fri, 7 Jul 2017, Michael Brutman via cctalk wrote: Vintage Computer Federation is pleased to announce an expansion of the Vintage Computer Festival series to the Pacific Northwest. Finally! :) g. -- Proud owner of F-15C 80-0007 http://www.f15sim.com - The only one of its kind.

Any 7 track drives available?

2017-07-07 Thread Chuck Guzis via cctalk
Hi Gang, I just got another batch of tapes. While the customer specified 9 track, there are a bunch of 7 track/556 bpi tapes in the mix. Anyone have a drive that they're willing to part with/loan for these things? Thanks, Chuck

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Chuck Guzis via cctalk
On 07/07/2017 12:46 PM, Al Kossow via cctalk wrote: > It is literally "you can't save everything, where would you put it?" > > You can be completely buried by piles of unknown data on magnetic > media. And yet, I'll venture that it's a pretty safe bet that all of the data recorded between

RE: tape baking

2017-07-07 Thread Rob Jarratt via cctalk
> I long to hear again the sound of the line printer that was attached to the > DECSYSTEM-20 I used to use. I think it was a drum printer but I don't know the > model (I may have some materials around that mention the model, not sure > where they are now though). I could never house one of these

Announcing: VCF PNW

2017-07-07 Thread Michael Brutman via cctalk
Vintage Computer Federation is pleased to announce an expansion of the Vintage Computer Festival series to the Pacific Northwest. The first VCF PNW will be held at Living Computers: Museum + Labs in Seattle, Washington on February 10-11, 2018. Seattle is a rich and vibrant tech hub with

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Al Kossow via cctalk
yup On 7/7/17 12:33 PM, Chuck Guzis via cctalk wrote: > On 07/07/2017 12:04 PM, Al Kossow via cctalk wrote: > >> >> The way JBI did it was to digitize the capstan encoder as a clock >> reference for tape motion obliquely referenced in >>

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Al Kossow via cctalk
On 7/7/17 12:28 PM, Chuck Guzis via cctalk wrote: > It brings up another aspect. I've done a batch of tapes that had > nothing more that the originator's name and an inventory number. Upon > recovering data, the customer had no idea what it meant or how it was > created or even the system

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Chuck Guzis via cctalk
On 07/07/2017 12:04 PM, Al Kossow via cctalk wrote: > > The way JBI did it was to digitize the capstan encoder as a clock > reference for tape motion obliquely referenced in > http://storageconference.us/2008/presentations/3.Wednesday/5.Bordynuik.pdf They mention a 36-track tape head. Were

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Chuck Guzis via cctalk
On 07/07/2017 12:17 PM, Al Kossow via cctalk wrote: > I'm much less hopeful on any other parallel tape formats, since there > are so few and the desire to recover any of that has been low. It brings up another aspect. I've done a batch of tapes that had nothing more that the originator's name

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Al Kossow via cctalk
On 7/7/17 12:08 PM, Paul Koning wrote: >> And I'm moving towards flux-level archiving and away from using >> stock tape transports. >> >> But then, I've been saying that for 15+ years now and haven't done it. > > It would be great to have that capability, after the company that had it >

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Paul Koning via cctalk
> On Jul 7, 2017, at 1:29 PM, Al Kossow via cctalk > wrote: > > > > On 7/7/17 10:26 AM, Al Kossow via cctalk wrote: > >> I stopped beating that horse years ago. > > And I'm moving towards flux-level archiving and away from using > stock tape transports. > > But

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Al Kossow via cctalk
On 7/7/17 11:10 AM, Chuck Guzis via cctalk wrote: > I've puzzled over how to do tape flux-transition recording in any > meaningful way. The way JBI did it was to digitize the capstan encoder as a clock reference for tape motion obliquely referenced in

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Chuck Guzis via cctalk
On 07/07/2017 10:26 AM, Al Kossow via cctalk wrote: > I stopped beating that horse years ago. They also assume that all of the data > blocks read correctly, they don't save the error correction data if the block > had it, etc etc. > > Need to update my reader anyway soon, so I'm going to append

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Al Kossow via cctalk
On 7/7/17 10:26 AM, Al Kossow via cctalk wrote: > I stopped beating that horse years ago. And I'm moving towards flux-level archiving and away from using stock tape transports. But then, I've been saying that for 15+ years now and haven't done it.

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Al Kossow via cctalk
On 7/7/17 9:35 AM, Chuck Guzis via cctalk wrote: > I've voiced my opinion before of being a bit surprised that neither AWS > nor TAP makes any provision for metadata. The tape data bits don't > tell the whole story. I stopped beating that horse years ago. They also assume that all of the

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Chuck Guzis via cctalk
On 07/07/2017 08:25 AM, Dave Wade wrote: > The header is six bytes long. Two are the length of the current > block. Two of the bytes are the length of the previous block, so you > can do read backwards, two of the bytes contain flag bits. One of the > flags says this chunk is the first part of a

RE: Line printer art: (was Re: tape baking)

2017-07-07 Thread Dave Wade via cctalk
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck > Guzis via cctalk > Sent: 07 July 2017 08:11 > To: CCtalk > Subject: Re: Line printer art: (was Re: tape baking) > > On 07/06/2017 10:42 PM, Dave Wade wrote: > > > Sadly

Elan 5000 Eprom Programmer someone?

2017-07-07 Thread Holm Tiffe via cctalk
Hi, I've got an Elan 5000 Epromer from a friend in the past. The Prommer has an ZIFPAC-523 installed which seems to be the same as the ZIFPAC-932 but with only five Textool Sockets populated on the PCB. I've cleaned it up a little ans since the ROM moule is missing I've build my own following

Re: DEC TRAX documentation set for sale

2017-07-07 Thread Paul Koning via cctalk
> On Jul 6, 2017, at 5:53 PM, Alan Frisbie wrote: > > On 07/06/2017 02:01 PM, Paul Koning wrote: >> >>> On Jul 6, 2017, at 4:20 PM, Alan Frisbie wrote: >>> >>> ... >>> TRAX was designed around a modified version of RSX-11M-Plus, >>> v1.0, yet no mention of it

Re: OMNI to USB Interface

2017-07-07 Thread Ed via cctalk
Wow- I can use a paper tape version too... but thought the usb would be good for quickly loading anything? In a message dated 7/6/2017 11:56:42 P.M. US Mountain Standard Time, cctalk@classiccmp.org writes: Hello Ed, I don't know a lot about the project or interface and am waiting

Re: Line printer art: (was Re: tape baking)

2017-07-07 Thread Chuck Guzis via cctalk
On 07/06/2017 10:42 PM, Dave Wade wrote: > Sadly I don't think that’s much use on Hercules as it needs an AWS or HET > file. Is there a format converter any where? Dunno, but it should be pretty simple. TAP is discussed with the SIMH documentation and the AWS format is discussed here:

Re: tape baking

2017-07-07 Thread Ron Pool via cctalk
Thanks, Chuck! On Thu, Jul 6, 2017 at 3:05 PM, Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > On 07/06/2017 11:43 AM, Paul Koning via cctalk wrote: > > > EBCDIC is easy, just grab an IBM Green Card. I'd recomment not using > > a translation if possible, since translations are likely

OMNI to USB Interface

2017-07-07 Thread Barry via cctalk
Hello Ed, I don't know a lot about the project or interface and am waiting to hear if it is still available before I spend time researching it. Why would you need it to load FOCAL? I think I have FOCAL on paper tape if that is any use. Regards, Baz Sent from my iPad

Re: tape baking

2017-07-07 Thread Ron Pool via cctalk
I'd love to also get a copy. ASCII would be my preference. On Thu, Jul 6, 2017 at 2:20 PM, Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > On 07/06/2017 11:09 AM, Mark J. Blair via cctalk wrote: > > > Did you apply it to the whole tape prior to reading it, or did you apply > it in