DEC FPJ11-AA

[Bill Gunshannon]

On 07/02/2018 08:34 AM, Pete Turnbull via cctalk wrote:
> On 02/07/2018 03:38, Noel Chiappa via cctalk wrote:
>>      > From: Bill Gunshannon
>>
>>      > Anybody have any PMI memory modules they might let go for less 
>> than my
>>      > first born male child?
>>
>> The DEC PMI memories are the MSV11-J and (I think) the MSV11-R. The 
>> latter is
>> rare, but the -J's can be found.
>
> Correct, but bear in mind that there are 4 versions of the MSV11-J; 
> the -JB and -JC versions have different ASICs and don't support QBus 
> CPUs. Specifically, they don't support block-mode transfers and don't 
> work properly even as PMI memory except in an 11/84, while the -JE and 
> JD versions support everything.  Bill would want the -JD (2MB) version 
> (the -JE version is 4MB so too big).
>

Or a pair of the 1 meg ore did they go away before the 11/93 came out?

bill