Have a look at the Sun Hardware Reference at:
ftp://ftp.picarefy.com/pub/Sun-Hardware-Ref/OLD/parts
Specifically look at part 3. (Search for "2050 CPU VME")
It has a list of the diagnostics and the led patterns which go with them.
It looks like bad memory.
--pec
--------------------------------------------------------------------------
The Antique Computer Collection:
http://www.wco.com/~pcoad/machines.html
On Tue, 21 Apr 1998, Pete Joules wrote:
> I have just got a Sun 2 clone workststion (Sun boards in an unbranded box)
> and it won't boot.
>
> If any one can decode the 'heartbeat' LEDs here is the code.
>
> Looking down at the edge of the CPU board:
>
> =============[Empty connector]=========[oxxx ooox]====================
>
> where x is LED off and o is LED on.
>
> I would like to mend this myself if possible. If it is going to require
> component level diagnosis and repair then please bear in mind that I
> haven't used a soldering iron or meter in anger since I was mending
> televisions at school - when they all had 405 lines on the screen and
> valves.
>
> Regards
> Pete
>
>
Received on Tue Apr 21 1998 - 12:37:26 BST