> From: Warner Losh
> Do those chips have ROM numbers on them?
I have updated the:
https://gunkies.org/wiki/KD11-E_CPU
https://gunkies.org/wiki/KD11-EA_CPU
articles with the DEC part numbers for the i) microcode and ii) instruction
decode PROms.
That's not all the PROMs on the Cont
Looking at my inventory, I seem to have no less than four spare M8266
(plus one in my 11/34 that runs, plus probably another in my 11/34 out
in the garage.)
Rod, where are you located?
JRJ
On 2/9/2022 6:16 PM, Rod Smallwood via cctalk wrote:
Hi
We have narrowed the problem down.
Its t
On Wed, Feb 9, 2022, 5:16 PM Rod Smallwood via cctalk
wrote:
> Hi
>
> We have narrowed the problem down.
>
> Its the instruction decode ROM's that are the issue.
>
> The images of those are whats needed.
>
Do those chips have ROM numbers on them? 23-x is the usual format...
Warner
Reg
Hi
We have narrowed the problem down.
Its the instruction decode ROM's that are the issue.
The images of those are whats needed.
Regards Rod
On 09/02/2022 23:14, Sytse van Slooten via cctalk wrote:
On Tue, Feb 8, 2022 at 7:04 PM Warner Losh wrote:
I found
https://deramp.com/downloads/m
>>> On Tue, Feb 8, 2022 at 7:04 PM Warner Losh wrote:
>
>>> I found
>>> https://deramp.com/downloads/mfe_archive/011-Digital%20Equipment%20Corporation/08%20PDP-11/01%20PDP-1104-1134/05%20PDP-1104-1134%20Microcode/
>>> which has the source code...
>>>
>>> But I couldn't find the tools to use thes
Hi
Thank you all for your kind and quick replies.
I am sure somebody will come up with the actual images either the
original files or derived from what we have.
As the key to the function of the 11/34 CPU their addition to the body
of informatio they will be of imense benefit to us all.
R
>>> On Tue, Feb 8, 2022 at 6:18 PM Rod Smallwood wrote:
>>> On the M8266 CPU control board a defective 7404 (E111) has killed a
>>> bunch of the PROMs holding the microcode.
That's pretty astonishing; I've heard of PROMs dropping bits over time, but
I'm a bit amazed to hear of a failu
On Tue, Feb 8, 2022 at 7:04 PM Warner Losh wrote:
> I found
> https://deramp.com/downloads/mfe_archive/011-Digital%20Equipment%20Corporation/08%20PDP-11/01%20PDP-1104-1134/05%20PDP-1104-1134%20Microcode/
> which has the source code...
>
> But I couldn't find the tools to use these files to create
I found
https://deramp.com/downloads/mfe_archive/011-Digital%20Equipment%20Corporation/08%20PDP-11/01%20PDP-1104-1134/05%20PDP-1104-1134%20Microcode/
which has the source code...
But I couldn't find the tools to use these files to create microcode images.
http://filedump.theglitchworks.net/softwa
Hi
Jerry Walker and I have an 11/34 under restoration.
We have run into a bit of a problem.
On the M8266 CPU control board a defective 7404 (E111) has killed a
bunch of the PROMs holding the microcode.
Does anybody have or can get images of the PROMs on this board so
replacement de
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