On Sun, Mar 27, 2022 at 7:49 PM Bill Gunshannon via cctalk
wrote:
>
> On 3/27/22 05:17, Tony Duell via cctalk wrote:
> > On Sat, Mar 26, 2022 at 11:12 PM Rob Jarratt via cctalk
> > wrote:
> >
> >> Unfortunately, or fortunately, depending on how you look at it, the PSU
> >> repair is under
Hi,
Digital
Networks & Communications Buyer's Guide
1987 April-June
Also some DEC Letterprinter 210 and LA50 Printer manuals, ask for a list.
For postage from Toronto Canada.
--Toby
A friend who used to work as a software trainer for DEC sent me the following
link (https://m.youtube.com/watch?v=uIqlMfSCs0E), which points to an
hour-and-a-half-long YouTube video from June 2021 about the history of DEC. It
is a Zoom presentation from the Maynard Public Library done by a
On 3/27/2022 11:49 AM, Bill Gunshannon via cctalk wrote:
On 3/27/22 14:48, Chris Zach via cctalk wrote:
Bigger question is who repaired the power supply "under warranty"?
My guess would be whoever fixed it this last time and warranted it.
bill
I have an Alpha DS-20 retired Feb 2021
> From: Rob Jarratt
> today I went back to it to check things a bit more carefully. All the
> power outputs of the PSU appear nominal.
> ...
> Presumably, whatever the part is, it is stopping the CPU working,
> because previously the CPU did appear to show some activity,
On 3/27/22 14:48, Chris Zach via cctalk wrote:
Bigger question is who repaired the power supply "under warranty"?
My guess would be whoever fixed it this last time and warranted it.
bill
Here's one for the memory banks. I have a number of TRS-80's.
Back when they first came out I bought a couple of the FreHD
Hard Disk Emulators made by Fred Vecoven. They worked great
and made life a lot easier. Then, I had reason to put everything
away for a long rest. I just pulled them
Bigger question is who repaired the power supply "under warranty"?
On 3/27/2022 2:38 PM, Bill Gunshannon via cctalk wrote:
On 3/27/22 05:17, Tony Duell via cctalk wrote:
On Sat, Mar 26, 2022 at 11:12 PM Rob Jarratt via cctalk
wrote:
Unfortunately, or fortunately, depending on how you look at
On 3/27/22 05:17, Tony Duell via cctalk wrote:
On Sat, Mar 26, 2022 at 11:12 PM Rob Jarratt via cctalk
wrote:
Unfortunately, or fortunately, depending on how you look at it, the PSU repair
is under warranty, which means I can't do it myself without invalidating the
warranty, so I will have
On Sat, Mar 26, 2022 at 11:12 PM Rob Jarratt via cctalk
wrote:
> Unfortunately, or fortunately, depending on how you look at it, the PSU
> repair is under warranty, which means I can't do it myself without
> invalidating the warranty, so I will have to send it back. I don't know if
> the
On Sat, Mar 26, 2022 at 9:20 PM Rob Jarratt via cctalk
wrote:
> Can anyone suggest what else the CPU might need? Or is it LTC?
>
I would check the ACLO and DCLO signals. These are both high (pulled
up by the bus terminator) for normal running, a PSU can pull them low
if it detects loss of mains
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