On Tue, 3 Oct 2017, Al Kossow wrote:
As far as I know, no one has successfully made a copy of a Tek cartridge
tape in an image format. The tapes use two tracks, one for clock and one
for data. Encoding beyond that has not been determined. I still have
I can backup Tek405x tapes. Our 4051 has
On 10/3/17 8:29 AM, Mike Stein via cctalk wrote:
> Sounds like a similar system to what Burroughs used on their cassettes; I
> always thought that they'd be a lot easier to read than the 'normal' formats
> with embedded clock signals and always intended to try to read some of the
> tapes I
- Original Message -
From: "Al Kossow via cctalk" <cctalk@classiccmp.org>
To: <cctalk@classiccmp.org>
Sent: Tuesday, October 03, 2017 11:06 AM
Subject: Re: That Tek 405x QIC Tape.
>
>
> On 10/3/17 2:50 AM, Jos Dreesen via cctalk wrote:
>
>&g
On 03.10.2017 16:59, Al Kossow via cctalk wrote:
On 10/3/17 2:50 AM, Jos Dreesen via cctalk wrote:
That "famous" QIC tape unit
Tektronix 405x tapes aren't QIC
They are 3M DC series cartridges, but the encoding is not a QIC standard.
The problems, alas, are the same.
On 10/3/17 2:50 AM, Jos Dreesen via cctalk wrote:
> Al is maintaining a set of ROM images for these machines, are tape images
> covered somewhere ?
> Do we have an fixed tape image format, as has been done with Dave's IMD for
> floppies ?
As far as I know, no one has successfully made a
On 10/3/17 2:50 AM, Jos Dreesen via cctalk wrote:
> That "famous" QIC tape unit
Tektronix 405x tapes aren't QIC
They are 3M DC series cartridges, but the encoding is not a QIC standard.
That "famous" QIC tape unit
...has been talked about a lot, still some things are still not clear to me.
Baking : is this a last-resort means of reading some valuable tape, or a means
to restore them for a further few years of usage ?
I intend to bake mine before usage, although a few
