On Saturday 14 February 2004 1:01 pm in comp.sys.sun.hardware Chris Howells
wrote:


> I've just obtained a SPARCstation 20 from EBay, and I'm having trouble
> with the memory. The POST fails with the following error message:
>
> Power-On SelfTest FAILED .... SIMM <J0201> Not Installed
>
> The machine came with a single SIMM, and nothing else in any of the
> sockets. Does anybody have any idea how to fix this? I can't see anything
> useful in the SPARCstation 20 service manual on docs.sun.com

The first SIMM must be installed in J201 which is the socket farthest
from the back panel. Also check that it is properly seated.



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