Re: Digitalker 54104 IC

2021-02-12 Thread Ethan Dicks via cctalk
On Fri, Feb 12, 2021 at 6:01 PM Jim Brain via cctalk wrote: > But, I'm sad because no one either has one nor can help me test this > one. So, I cannot enjoy the thrill of making it say inappropriate stuff :-( I have several vintage speech ICs, but not that one. -ethan

Re: Digitalker 54104 IC

2021-02-12 Thread Jim Brain via cctalk
On 2/11/2021 6:02 PM, ED SHARPE via cctalk wrote: Most challanging was to figure out to make it say naughty things... and once you did  how it almost caused havoc in AZ Sounds like a story to add detail around... But, I'm sad because no one either has one nor can help me test this one.  So,

TK70 maintenance--swapping capstans

2021-02-12 Thread Chris Zach via cctalk
Well my little TK70 here has been squeaking and it looks like the capstans are frozen/bad. They don't move up and down and they don't spin well. Fortunately I have a dead TK70 with good capstans so I figured I would swap them. Unfortunately I don't have a maintenance manual (does anyone have

Re: Wanted: Info on Optisys/Optidisk WORM file system

2021-02-12 Thread Chuck Guzis via cctalk
On 2/12/21 2:10 PM, jim stephens via cctalk wrote: > The company I'm thinking of had 5 1/4" drive, and appropriate media > size.  I think your 400 or 500mb size rings familiar. There were several; the one I'm working with is 470/470MB double-sided 5.25" Very similar in size and looks to a PMC

Re: Mystery (unusual) 1973 terminal

2021-02-12 Thread Steve Malikoff via cctalk
Jules said > Personally I like seeing terminals like this though because it seems that > so few have survived - people will preserve the DEC / HP / Tektronix > hardware and much of everything else from that very late '60s to mid-70's > period is long gone. I can't help either, but one place where

Re: Wanted: Info on Optisys/Optidisk WORM file system

2021-02-12 Thread jim stephens via cctalk
On 2/12/2021 1:30 PM, Chuck Guzis via cctalk wrote: On 2/12/21 12:21 PM, Paul Koning via cctalk wrote: On Feb 12, 2021, at 3:12 PM, jim stephens via cctalk wrote: There was a company who made a drive with glass media that a friend of ours repped for. It used a repurposed CD head

Re: Wanted: Info on Optisys/Optidisk WORM file system

2021-02-12 Thread Liam Proven via cctalk
On Fri, 12 Feb 2021 at 21:12, jim stephens via cctalk wrote: > > My partner passed away about 2 weeks ago and would possibly have > recalled who it was, but can't ask now. I'll try a scan of our contact > files and see if "opti" anything shows up. Oh, I am sorry to hear that. My condolences.

Re: Wanted: Info on Optisys/Optidisk WORM file system

2021-02-12 Thread Chuck Guzis via cctalk
On 2/12/21 12:21 PM, Paul Koning via cctalk wrote: > > >> On Feb 12, 2021, at 3:12 PM, jim stephens via cctalk >> wrote: >> >> >> There was a company who made a drive with glass media that a friend of ours >> repped for. >> >> It used a repurposed CD head which was driven hard enough to write

Re: Wanted: Info on Optisys/Optidisk WORM file system

2021-02-12 Thread Paul Koning via cctalk
> On Feb 12, 2021, at 3:12 PM, jim stephens via cctalk > wrote: > > > There was a company who made a drive with glass media that a friend of ours > repped for. > > It used a repurposed CD head which was driven hard enough to write their > media. it was sold as being able to be written

Re: Wanted: Info on Optisys/Optidisk WORM file system

2021-02-12 Thread jim stephens via cctalk
On 2/12/2021 11:46 AM, Chuck Guzis via cctalk wrote: On 2/11/21 9:31 AM, Chuck Guzis via cctalk wrote: I have a bunch of Panasonic/Matsushita 470/940 MB phase-change WORM discs here--and the appropriate drive (Panasonic LF-5010 SCSI-2) to read them. After some digging, I did find that

Re: Mystery (unusual) 1973 terminal

2021-02-12 Thread Jules Richardson via cctalk
On 2/12/21 1:08 PM, Brent Hilpert via cctalk wrote: Between google and the browser I'm using, the photos didn't display properly, so I downloaded them (upper right corner), which unzipped to high-res versions. I had issues myself, zoom would work, but there seemed to be no obvious method for

Re: Wanted: Info on Optisys/Optidisk WORM file system

2021-02-12 Thread Chuck Guzis via cctalk
On 2/11/21 9:31 AM, Chuck Guzis via cctalk wrote: > I have a bunch of Panasonic/Matsushita 470/940 MB phase-change WORM > discs here--and the appropriate drive (Panasonic LF-5010 SCSI-2) to read > them. After some digging, I did find that Optisys offered a driver for DOS as late as 2008, called

Re: Mystery DEC cartridge tape drive

2021-02-12 Thread Bill Degnan via cctalk
and I probably have spare carts. On Fri, Feb 12, 2021 at 2:06 PM Chris Zach via cctalk wrote: > I have the controller for this if anyone needs one. > > C > > On 2/12/2021 11:19 AM, Al Kossow via cctalk wrote: > > > > This is a mystery. > > What DEC system used a CDC Sentinel DC300 cartridge

Re: Mystery (unusual) 1973 terminal

2021-02-12 Thread Chuck Guzis via cctalk
About all I can contribute is that Conrac made TV monitors--I rigged one up to a system for classroom instruction in the 1970s. I remember that it was a B 21" model. --Chuck

Re: Mystery (unusual) 1973 terminal

2021-02-12 Thread Brent Hilpert via cctalk
On 2021-Feb-12, at 6:08 AM, Paul Koning via cctalk wrote: >> On Feb 12, 2021, at 7:50 AM, Jules Richardson via cctalk >> wrote: >> >> Hopefully the following link works, but someone over on one of the Facebook >> vintage groups has this oddball terminal from 1973 that they've been looking >>

Re: Mystery DEC cartridge tape drive

2021-02-12 Thread Chris Zach via cctalk
I have the controller for this if anyone needs one. C On 2/12/2021 11:19 AM, Al Kossow via cctalk wrote: This is a mystery. What DEC system used a CDC Sentinel DC300 cartridge tape drive? https://www.ebay.com/itm/Vintage-Computer-DEC-BY5A5-E-Tape-Drive-77-014320/313416738022

Re: Mystery (unusual) 1973 terminal

2021-02-12 Thread Jules Richardson via cctalk
On 2/12/21 8:08 AM, Paul Koning wrote: The photos are not particularly helpful; they show parts of the device but not close enough to tell the details, while much of the case is not shown. Is there any manufacturer label or serial number tag on the case? I'll see if I can get him to share

Re: Mystery (unusual) 1973 terminal

2021-02-12 Thread Jules Richardson via cctalk
On 2/12/21 10:05 AM, William Sudbrink wrote: Sort of reminds me of a DataPoint 2200. Clone maybe? I see what you're saying, but I don't think there's much in the way of brains to this thing, though (unlike the 2200, which I believe was an "actual computer") - it's just a terminal. From what

Re: One more thing to fix... HP9000/380 power supply

2021-02-12 Thread Carlos E Murillo-Sanchez via cctalk
Paul Berger via cctalk wrote: On 2021-02-11 10:55 p.m., Carlos E Murillo-Sanchez via cctalk wrote: This decade seems to have increased the number of failing things in such a way that the "to be repaired" backlog is growing much faster than I can get to diminish it. Argh.  A month ago my trusty

Re: Reading ESDI disks

2021-02-12 Thread Al Kossow via cctalk
there is a nice table in this to show the differences between ST506 and ESDI https://www.ardent-tool.com/misc/Evolution_of_ESDI.html

Re: Mystery DEC cartridge tape drive

2021-02-12 Thread Nigel Johnson via cctalk
The TK25 IIRC Nigel Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU Amateur Radio, the origin of the open-source concept! Skype: TILBURY2591 nw.john...@ieee.org On 2021-02-12 11:19 a.m., Al Kossow via cctalk wrote: > > This is a mystery. > What DEC system used a CDC Sentinel DC300

Mystery DEC cartridge tape drive

2021-02-12 Thread Al Kossow via cctalk
This is a mystery. What DEC system used a CDC Sentinel DC300 cartridge tape drive? https://www.ebay.com/itm/Vintage-Computer-DEC-BY5A5-E-Tape-Drive-77-014320/313416738022

Re: Reading ESDI disks

2021-02-12 Thread Al Kossow via cctalk
On 2/12/21 8:12 AM, Al Kossow via cctalk wrote: On 2/12/21 7:04 AM, Mattis Lind via cctalk wrote: I am pretty sure that my controller is the IBM Enhanced ESDI board and having support for it in Linux is probably unlikely. But perhaps it is the WD1007 It is not WD. It is IBM's own design using

Re: Reading ESDI disks

2021-02-12 Thread Jon Elson via cctalk
On 02/12/2021 09:04 AM, Mattis Lind via cctalk wrote: I am a bit confused about the READ GATE. It has to be deasserted in the PLO SYNC interval. Why is that? I am clearly missing something. ESDI has a clock separator built into the drive, with logic to decode the data format and convert to

Re: Reading ESDI disks

2021-02-12 Thread Al Kossow via cctalk
On 2/12/21 7:04 AM, Mattis Lind via cctalk wrote: I am pretty sure that my controller is the IBM Enhanced ESDI board and having support for it in Linux is probably unlikely. But perhaps it is the WD1007 It is not WD. It is IBM's own design using an Adaptec controller and a 8031

RE: Mystery (unusual) 1973 terminal

2021-02-12 Thread William Sudbrink via cctalk
Sort of reminds me of a DataPoint 2200. Clone maybe? -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jules Richardson via cctalk Sent: Friday, February 12, 2021 7:50 AM To: xx Classiccmp mailing list Subject: Mystery (unusual) 1973 terminal Hi all,

Re: Mystery (unusual) 1973 terminal

2021-02-12 Thread Al Kossow via cctalk
On 2/12/21 4:50 AM, Jules Richardson via cctalk wrote: https://drive.google.com/drive/folders/1-2uEFbi3OKBYr06y6yHnygDiLMtw2Qkj Bumping up a level and looking at the other computers in the collection should give you a good idea who it is, in particular the Tek board bucket and the build of

Re: Reading ESDI disks

2021-02-12 Thread Mattis Lind via cctalk
I am pretty sure that my controller is the IBM Enhanced ESDI board and having support for it in Linux is probably unlikely. But perhaps it is the WD1007, I am not sure until I checked and it is 100 km away right now. Anyway I did some reading of the ESDI spec. There are things that I really like

Re: Mystery (unusual) 1973 terminal

2021-02-12 Thread Paul Koning via cctalk
> On Feb 12, 2021, at 7:50 AM, Jules Richardson via cctalk > wrote: > > > Hi all, > > Hopefully the following link works, but someone over on one of the Facebook > vintage groups has this oddball terminal from 1973 that they've been looking > for any information on: > >

Mystery (unusual) 1973 terminal

2021-02-12 Thread Jules Richardson via cctalk
Hi all, Hopefully the following link works, but someone over on one of the Facebook vintage groups has this oddball terminal from 1973 that they've been looking for any information on: https://drive.google.com/drive/folders/1-2uEFbi3OKBYr06y6yHnygDiLMtw2Qkj ... it's somewhat

Re: One more thing to fix... HP9000/380 power supply

2021-02-12 Thread Christian Corti via cctalk
On Thu, 11 Feb 2021, carlos_muri...@ieee.org wrote: to diminish it. Argh.  A month ago my trusty HP9000/380 ran just fine and I [...] on; the power supply is dead.  So I unracked the pile of drives and the computer, checked for obvious things (the fuse is fine, and nothing in the power supply