Help - Sun 2 won't boot

From: Paul E Coad <>
Date: Tue Apr 21 12:37:26 1998

Have a look at the Sun Hardware Reference at:

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.

The Antique Computer Collection:

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

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