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simm locations in 4/60

2007-12-25 7:15:00

Problem: Intermittent problem with memory simm in 4/60. The messages in

/var/adm/messages are:

Oct 31 15:55:36 rayleigh vmunix: Parity error reported at 0x2dfe0, actual address is 0x2dfec.

Oct 31 15:55:36 rayleigh vmunix: Parity Error, ctx = 0x4, virt addr = 0x2dfec

Oct 31 15:55:36 rayleigh vmunix: pme = 82003a26, phys addr = 3a26fec

Oct 31 15:55:36 rayleigh vmunix: Parity Error Register 92<ERROR,CHECK,ERR16>

Oct 31 15:55:36 rayleigh vmunix: bad module/chip at U587

Oct 31 15:55:36 rayleigh vmunix: parity error at 3a26fec is transient.

Oct 31 15:55:36 rayleigh vmunix: page 3a26000 back in service.

Oct 31 15:55:36 rayleigh vmunix: System operation can continue

The question was: which simm is bad?

Summary:

Look on the CPU board. Each simm slot has a stenciled number corresponding

to the Uxxx number listed in the messages file.

I should have opened the box first... Thanks for the responses.

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Doug Neuhauser Div. of Geological and Planetary Sciences

doug@seismo.gps.caltech.edu California Institute of Technology

818-356-3993 MS 252-21, Pasadena, CA 91125

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