In article <GOEBKKPCBEIAHHPNHLFHGEDHHOAA.zach@zachlowry.net>
zach@zachlowry.net wrote:

> I have the LED opposite the power supply on when I power it up. I
> know that this is a problem, but I figured with the DIAG switch
> flipped I'd at least get some output. I believe this LED means a bad
> PROM. 

Did you check the sun3 archive pages?
http://www.sun3arc.org/Errormsg/3_60error.phtml
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Izumi Tsutsui
tsutsui@ceres.dti.ne.jp