On Mon, Dec 18, 2017 at 1:25 PM, Paul Koning via cctalk <
cctalk@classiccmp.org> wrote:
> https://xkcd.com/1909/
>
> Our community isn't just about that, but it's part of what makes us tick.
>
Preserving knowledge is an ongoing problem and getting harder to solve.
Vint Cerf talks about it a lot.
http://www.computerhistory.org/collections/catalog/102662523
Digi-Data made a widget to read the tapes as well.
On 12/18/17 12:57 PM, Chuck Guzis via cctalk wrote:
> Forgive the top-posting on my own post, but I think it's appropriate:
>
> Evidently, the client used an MT/ST to emulate a 2741 a
Excellent! Congrats Guy. Looks like modempot really needs to move out of his
building in a hurry. I think between me, you, Carl, Bob, the museum and a few
ebay buyers we got all of the big stuff saved.
Marc
On Dec 17, 2017, at 4:44 PM, Guy Sotomayor Jr via cctalk
wrote:
To let folks now, I’v
Forgive the top-posting on my own post, but I think it's appropriate:
Evidently, the client used an MT/ST to emulate a 2741 and the
organization had a S/360 with a 2495 Magnetc Cartridge Reader:
http://ed-thelen.org/comp-hist/IBM-ProdAnn/2495-5.pdf
I have to confess that I've never seen one of t
https://xkcd.com/1909/
Our community isn't just about that, but it's part of what makes us tick.
paul
On 12/17/2017 09:52 PM, Jon Elson wrote:
> There were several DIFFERENT formats used with these standard tape
> cartridges. I have some old CDC Patriot tape drives that did a
> serpentine single track at a time format on a 3480-compatible tape. I
> don't think any DEC drive supported the 18-track
On Mon, Dec 18, 2017 at 8:06 AM, Rob Jarratt via cctalk
wrote:
> I am reverse engineering the schematic for the input stage of my H7862 PSU.
> I have come across a KBU6J bridge rectifier which seems to be connected only
> to the two middle pins, which are the AC inputs. I can't see any other
> con
>
> I am reverse engineering the schematic for the input stage of my H7862 PSU.
> I have come across a KBU6J bridge rectifier which seems to be connected only
> to the two middle pins, which are the AC inputs. I can't see any other
> connections. Before I desolder it to verify there are no connecti
On 2017-Dec-18, at 12:06 AM, Rob Jarratt via cctalk wrote:
> I am reverse engineering the schematic for the input stage of my H7862 PSU.
> I have come across a KBU6J bridge rectifier which seems to be connected only
> to the two middle pins, which are the AC inputs. I can't see any other
> connecti
I am reverse engineering the schematic for the input stage of my H7862 PSU.
I have come across a KBU6J bridge rectifier which seems to be connected only
to the two middle pins, which are the AC inputs. I can't see any other
connections. Before I desolder it to verify there are no connections I can'
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