Looking for info on memory

[Nigel Johnson Ham]

I really appreciate that, all the things I can find under that board
number (which is simple the pcb etch) are from vendors who want to sell
you one and have no idea of the model number.

I too, have no idea of the model number, but have tried search for all
sorts of PM-MSV11 etc with no luck.

I will wait with bated breath!

cheer,

Nigel


On 2021-10-21 1:30 p.m., Derek Newland via cctech wrote:
> Hey, FoothillsGeek here! I saw this thread last night and checked to see if
> I had a manual for it - it does not look like I do. Most of the Plessey
> documents we received are for core memory boards.
>
> However, when I indexed the docs we received, I did so by model number
> (PM-xxxx) and not by part number. So, if I can find our stack of Plessey
> docs, I'll flip through them again to look for the PN.
>
> On Thu, Oct 21, 2021 at 8:49 AM steven--- via cctech <cctech at classiccmp.org>
> wrote:
>
>>> On 10/19/2021 12:57 PM, Nigel Johnson Ham via cctech wrote:
>>>> I am trying to bring up an 11/23 system in a BA23 box, and the only
>>>> memory i have is an obscure Plessey one. The only identification is the
>>>> p/n 705920 with dash-100 in white ink. By counting the chips I make it
>>>> 4MB, but it does not respond. Since it takes the full 22-bit memory
>>>> space I can't see how any jumpers would change its accessibility. Does
>>>> anybody have a manual?
>> FoothillsGeek on VCFed had a number of Plessey memory manuals and had
>> scanned
>> some, as mentioned here
>> https://www.vcfed.org/forum/forum/genres/dec/73251-dec-documents-on-manx
>>
>>