[rescue] Serial console on an IBM RS/6000 3CT

[Patrick Finnegan]

On Thursday 19 January 2006 13:40, Andrew Jones wrote:
> Jonathan C. Patschke wrote:
> >The machine is failing BIST.  Hunt around for a socketed EPROM chip
> >on the motherboard and re-seat it.
>
> I found three socketed chips.  One was microcode, which I left alone.
> One was a regular DIP, labeled very strangely, on the motherboard.  I
> reseated it.  The last was an EPROM in a ceramic package on the CPU
> daughterboard, which I also reseated.  This one was labeled OCS, and is
> presumably the firmware.  I reseated it as well.

I've got several spare processor cards and system planars, from old SP nodes.  
Send me email off-list if you want one (they're the SP version of a 39H).

Pat
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