[rescue] SPARCEngine 1E and VME Memory Boards

[Richard]

Hi Plamen

Manual indicates that multiple are supported

http://www.bitsavers.org/pdf/sun/sparc/800-8137-02_The_SPARCengine_1E_CPU_Card_Users_Manual_Apr90.pdf

See pages 36 and 37…..

Richard

> On 23 May 2022, at 3:45 pm, Plamen Mihaylov <plamenspam at afterpeople.com> wrote:
> 
> Hi Richard,
> 
> I don’t sparcengine 1E is designed to handle 2 memory boards.
> 
> 
> Best regards,
> Plamen
> 
> On Monday, May 23, 2022, Richard <ejb at trick-1.net <mailto:ejb at trick-1.net>> wrote:
> Hi folks
> 
> Looking for some suggestions/guidance or help.
> 
> I am Looking to add 2x 4Mb Sun 3/E memory boards to the SPARCEngine 1E.
> 
> I do note that these are memory boards from the Sun3/E but am of the understanding that they will work.
> 
> Reading through the SPARCEngine manual I have added the jumpers to my schroff Backplane to bridge slot 2 as this is empty - the sbus video card occupies the slot.
> 
> Configuration is
> Slot1: SPARCEngine
> Slot2: jumpered and empty
> Slot3: 4Mb memory bord jumpered for 4-8MB
> Slot4: 4Mb memory bord jumpered for 8-12Mb.
> 
> Now on post I don’t see the extra 8mb.
> 
> Anyone got any ideas ? I read something about telling the nvram about the VME cards but not familiar with that process or how to do so.
> 
> Thanks in advance 
> 
> Richard 
> 
> Sent from my iPhone
> 
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