[rescue] SPARCEngine 1E and VME Memory Boards

[Plamen Mihaylov]

Hi Richard,

Maybe there is incompatibility between 3E and 1E mem boards when they are
stacked. Do you have 4E60-16 or/and 501-8060 to test ?

Best regards,
Plamen


On Mon, May 23, 2022 at 9:46 AM Richard <ejb at trick-1.net> wrote:

> 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> 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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>>
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