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:
http://w
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 t
> 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 survives today. Indeed, a year aft
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 th
> -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 I don't think that’s mu
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
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 dat
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.
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 s
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
http://storageconference.us/2008/presentat
> 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 then, I've been saying that
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
> before
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 a
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 thos
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 us
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
>> http://storageconference.us/2008/presentations/3.Wednesday
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 beautiful
> 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 th
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 1955-19
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
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.
http://www.
>
> >
> > 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 fo
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 b
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 w
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
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
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
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
http://bitsavers.informatik.uni-
28 matches
Mail list logo
