Well, it took a little bit of monkeying around but I was able to get the
the V7.3 ISO I received from a helpful fellow list member to boot on my
3000/400 ... it seems to only like my RRD37 drive and only on the internal
SCSI channel ... she is finicky ... but hey, whatever gets the job done :O
Woo
White layer 8/e front panels A and B
On 17/07/2015 22:23, Adrian Stoness wrote:
Sure
On Friday, July 17, 2015, Rod Smallwood rodsmallwoo...@btinternet.com
wrote:
Hi Guys!
Further to my previous email.
If anybody would like to see the artwork I can send you a copy.
Its in
What I am wondering about, though, is the extra current they draw while
they are forming up while the power supply is running. The capacitor
might survive it (not get so hot that it fails), but the things supply
the higher than ordinary current to it might not. Killed a bridge
rectifier on a
Rich Alderson ri...@livingcomputermuseum.org wrote:
It is generally a good idea to re-form electrolytic capacitors in power
supplies, and to bench check the power supplies (under some kind of
load) before actually applying power to the whole unit.
It is always a good idea to replace
Oh, sorry, didn't realize they used switchers for the PDP-11s.
However I was talking with a friend of mine last night about my error,
and he told me that the switching supplies for the PDP-11s were very
unreliable back in the day. He often had to troubleshoot the machines
back then. A common
Oh, sorry, didn't realize they used switchers for the PDP-11s.
There have been _many_ DEC PSU designed used for the PDP11. I think all of them
used some
kind of switching regulator for the +5V line. A quick glance at the printsets
will settle it..
However I was talking with a friend of
More myths and ledgends.
As I remember it this all started with the arrival of FET's having a
very high input impedance due to narrow gate areas.
If you were daft enough not to have a path to earth
and let a charge build up on the gate then you could exceed the
breakdown voltage across the
On Sat, Jul 18, 2015 at 5:53 PM, Ian Finder ian.fin...@gmail.com wrote:
Hi Folks,
I need help hunting down an item.
This is a keyboard that shipped with a few ATT / Teletype terminals with a
6-pin RJ connector.
I am also looking for one. I recently cam into a Blit and a 730+ ,
neither of
For those who expressed an interest in the STSC APL*PLUS manuals for
VAX/VMS I happy to report they are now available from here:
http://wickensonline.co.uk/static/files/scans/APL-Plus-System-for-the-VAX-VMS-Environment-Users-Manual-Release-1-Aug-1987-STS.pdf
On 07/17/2015 11:17 PM, tony duell wrote:
On the other hand if the +5V line did get too high it could have wiped out
just about every IC in the unit. Ouch!. I've only ever had this happen once, and
it was in a much lesser machine than a PDP11 (fortunately).
Many years ago, I managed to feed
- Original Message -
From: Chuck Guzis ccl...@sydex.com
To: gene...@classiccmp.org;
discuss...@classiccmp.org:On-Topic and Off-Topic
Posts cctalk@classiccmp.org
Sent: Friday, July 17, 2015 12:21 PM
Subject: Re: Reproducing old machines with newer
technology
On 07/16/2015 11:45 AM,
On 7/18/2015 10:06 PM, Mike Stein wrote:
I always wondered which was more efficient, multiplexing among
essentially complete 'computers per user' sharing a common I/O 'channel'
or swapping processes and memory banks...
m
I can't think of any system for the average user that runs
efficient.
So, tony, if I'm correct, you just called bullshit, right?
--
--- Dave Woyciesjes
--- ICQ# 905818
--- CompTIA A+ Certified IT Tech -http://certification.comptia.org/--- HDI
Certified Support Center Analyst -http://www.ThinkHDI.com/Registered Linux user
number 464583
Computers have lots of
On 07/18/2015 09:06 PM, Mike Stein wrote:
I always wondered which was more efficient, multiplexing among
essentially complete 'computers per user' sharing a common I/O 'channel'
or swapping processes and memory banks...
Well, the multiplexing (via hardware) memory among a single processor
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