>
>
>
>
> I think in this group, we have plenty of DLT IV tape drives?
> How many tapes are we talking?
>
About 2000. Commercial archiving services seem out of reach price wise.
On 4/3/2022 10:01 AM, Will Cooke via cctech wrote:
On 04/03/2022 8:34 AM Magnus Ringman via cctech wrote:
On Fri, Apr 1, 2022 at 10:26 PM Marc Howard via cctech <
cct...@classiccmp.org> wrote:
We need to onshore Nixie production now! ;-)
Gentle plug forhttps://www.daliborfarny.com/.
I go
This may be of interest to some list members, particularly those who have an
interest in the BBC computer or just like Twilight Zone type stories.
Apart from being extremely interested in classic computers I also like the
old stories that surround these old machines. A while ago I stumbled across
Hello.
I have an HP 9000/217 (9817) machine that I'd like to install HP-UX 5.1 onto.
In order to do this, I need to find the boot disk containing the correct
kernel, which has the part number "A98680B", and is described as "Multi-user
kernel for S200". Alternatively, I could run just the single
Ah setiathome. Those systems in the photo will have handled a lot of my
personal data - well, compared to random other earthlings.
I don't really have fond memories of that series of Sun Enterprise though -
what are they, 3000 or 3500? Many a times that I stubbed my toes on that
v-shaped thing
How fortunate that I'm halfway across the continent :-)
mcl
On 2022-04-03 11:51, Eric J. Korpela via cctalk wrote:
From here:
https://setiathome.berkeley.edu/forum_thread.php?id=85870&postid=2096776#2096776
They are bog standard Sun Enterprise systems, drive removed and destroyed
for privacy reason. They are only interesting for what they've done. By
>From here:
https://setiathome.berkeley.edu/forum_thread.php?id=85870&postid=2096776#2096776
They are bog standard Sun Enterprise systems, drive removed and destroyed
for privacy reason. They are only interesting for what they've done. By
university rules, our group can essentially "permanent lo
> From: "Rob Jarratt"
> I did plug the connector back in, so that DCLO and
> LTC are connected, I just removed the ACLO pin.
Ah, OK, good. Pulling the pins from those Mate-n-Loc shells without the right
tool is tricky; glad you did it, because as Brent Hilpert pointed out, having
a w
> The 'unused' gate in E52 is the one that the added wires from the ACLO
> ECO went to; I wonder if it was damaged by the -15V, somehow?
So, I checked, and the wire that goes from the plated-through hole next to the
etch cut on E70p1 winds up at E52p4 (the bus line on that transceiver),
th
> On 04/03/2022 8:34 AM Magnus Ringman via cctech wrote:
>
>
> On Fri, Apr 1, 2022 at 10:26 PM Marc Howard via cctech <
> cct...@classiccmp.org> wrote:
>
> > We need to onshore Nixie production now! ;-)
>
> Gentle plug for https://www.daliborfarny.com/.
I got excited by that until I saw th
On Fri, Apr 1, 2022 at 10:26 PM Marc Howard via cctech <
cct...@classiccmp.org> wrote:
> We need to onshore Nixie production now! ;-)
>
Gentle plug for https://www.daliborfarny.com/.
On 4/2/2022 5:12 PM, Rob Jarratt via cctalk wrote:
Using tack soldered wires, I have traced back and I *think* I have found
something. There could be a fault in E52 (sheet K6, p157 of the PDF). While
K6 BUS DCLO L is +5V, I am measuring K6 BUF DCLO H at an average 1.64V with
50us spikes at 2.08V
On Fri, 1 Apr 2022, Paul Koning wrote:
On Apr 1, 2022, at 2:38 PM, Brent Hilpert via cctalk
wrote:
Well, it would still work for 1-bit-wide words, so to speak. One
wonders what the application was.
I wonder if the sense wire was used as inhibit during write cycles --
that seems doable. It w
DEC PDP-8/e core memories have a combined Sense/Inhibit line.
There are only 3 wires through each core donut: X, Y, Sense/Inhibit.
The PDP-8/e core memory is very well described starting at page 3-60 of the
Maintenance Manual Volume 1:
http://www.bitsavers.org/pdf/dec/pdp8/pdp8e/DEC-8E-HMM1A-D-D_P
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