SUMMARY:What does this error message mean to you?

From: sardellp@meadow.mdso.vf.ge.com
Date: Sat Jun 11 1994 - 03:18:52 CDT


Hi,

Thanks for all of the responses. My original post:

>The following error message keeps appearing in the console of a
>IPX machine on our system. Yesterday, the machine re-booted
>twice. Is one of the memory chips bad? If so, is there a better
>method than trial and error for locating the offending SIMM?

>Parity error reported at 0xf774e363, actual address is 0xf774e374.
>Parity Error, ctx = 0x3, virt addr = 0xf774e374
>pme = 82003976, phys addr = 3976374
>Parity Error Register 9f<ERROR,CHECK,ERR00,ERR08,ERR16,ERR24>
> bad module/chip at: U307
> bad module/chip at: U307
> bad module/chip at: U307
> bad module/chip at: U307
>parity error at 3976374 is transient.
>page 3976000 back in service.
>System operation can continue

I looked in the hardware manual for the IPX and, lo and behold, I
found a diagram of the memory banks noting where U307 is. The
offending SIMM was removed and a new one is on it's way.

Thanks to the following people:

sozoa@atmel.com
mike_raffety@il.us.swissbank.com
hanson@pogo.fnal.go
rgraham@cbetech.com.au (great illustration Roger!)
fetrow@biostat.washington.edu
mattias@txc.com
perryh@pluto.rain.com
micky@ejv.com
gdonl@gv.ssi1.com
julian@syd.dwt.csiro.au
Eckhard.Rueggeberg@ts.go.dlr.de
rodney@cssc-syd.tansu.com.au
hbg@vattenfall.se
kevin@pass.bt.co.uk
felner@inf.ethz.ch
se@computing.lancaster.ac.uk
bern@penthesilea.uni-trier.de
vincent.everett@mrc-apu.cam.ac.uk (thanks for the illustration Vincent!)
glenn@uniq.com.au
worsham@aer.com
javaid@lexmark.com
konc@fnts07.fnal.gov
gdmr@dcs.ed.ac.uk
davis@opus.engr.udayton.edu
jerry.springer@valcom.com
tph@sbctri.sbc.com
Gary.Richardson@proteon.com
jmcphers@bio.ri.ccf.org
jshore@airsrv.abrdr.dreo.dnd.ca
dal@gcm.com
edk@mach10.utica1.kaman.com
pburyk@leis.leis.bellcore.com
tiberiom@hmc.harvard.edu
feldt@phyast.nhn.uoknor.edu
epl@kodak.com
danny@ews7.dseg.ti.com
heiser@tif162.ed.ray.com
mcostel@mach10.utica1.kaman.com
misik@alpha.dcs.fmph.uniba.sk
sommer@vsun02.ag01.kodak.com
ilkka@tks.oulu.fi
jdschn@nicsn1.monsanto.com
lang@alc.com
athena!sse.com!johnm@rambone.psi.net (great illustration John!)
lf@gsc.ele.puc-rio.br
mhill@mhill.dseg.ti.com
ptaylor@kodak.com (thanks for the listing of the slots!)
drtr@mrao.cam.ac.uk
pbh@jupiter.cfsmo.honeywell.com
________________________________________________________________________

D. Peter Sardella Martin Marietta, M&DS
Valley Forge, PA USA sardellp@meadow.mdso.vf.ge.com
________________________________________________________________________
                                                                                                                                                                                                                                                  



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