> On Mar 5, 2017, at 09:49, Chuck Guzis via cctalk
> wrote:
>
> I don't recall many who used those yellow rings for their intended
> purpose. It was just too easy to forget to remove one. You mounted
> tapes without and reached around the back of the reel with a punch card
> and tripped the "
On 03/05/2017 10:41 AM, Mark J. Blair via cctalk wrote:
>
> So, was the write enable state latched at some point in the loading
> cycle on those drives? That surprises me, because I would have
> expected the write enable sensor to interrupt write current as
> combinatorial function on the drive, a
On 2017-Mar-05, at 11:27 AM, Chuck Guzis via cctalk wrote:
> On 03/05/2017 10:41 AM, Mark J. Blair via cctalk wrote:
>>
>> So, was the write enable state latched at some point in the loading
>> cycle on those drives? That surprises me, because I would have
>> expected the write enable sensor to in
On 03/05/2017 12:41 PM, Mark J. Blair via cctalk wrote:
On Mar 5, 2017, at 09:49, Chuck Guzis via cctalk wrote:
I don't recall many who used those yellow rings for their intended
purpose. It was just too easy to forget to remove one. You mounted
tapes without and reached around the back of th
That all makes perfect sense now. Thanks!
--
Mark J. Blair, NF6X
http://www.nf6x.net/
On 03/05/2017 12:18 PM, Jon Elson via cctalk wrote:
>
> Mention above about the vacuum capstans. Some really old drives had
> two continuously counterrotating capstans with slots in them. Valves
> applied either air pressure, to make the tape float over the capstan,
> or vacuum, to make the capsta
