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

Patrick Finnegan pat at computer-refuge.org
Thu Jan 19 16:35:39 CST 2006

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).

Purdue University ITAP/RCAC       --- http://www.rcac.purdue.edu/
The Computer Refuge               --- http://computer-refuge.org

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