Cray EL98 power on problems


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Posted by Dave on December 30, 2004 at 19:53:03:

Greetings all. We are attempting to start up an EL98 (SN 5408) we recently purchased and have come across to issues. We have looked high and low for any type of documentation for the EL online but no one seems to have any available that pre-date the SGI era.

Anyway the errors we are seeing are:

Right Side - CAB1 - Upper Fan Tray Voltage. We are assuming we can troubleshooting this voltage issue fairly easily since the fans are standard 12V DC fans.

Memory PS Fault. This is the error that we can not troubleshoot. Since we have no documentation we don't know what we should be seeing at the test point. We are seeing 5.4 VDC with Margining Enabled. Attempting to test with Margining Disabled results in un-good events.

If anyone has any helpful hints about these errors or any other gotcha's on the EL98 that we should be on the look out for you can contact us at dfroman(at)ix.netcom.com or sheldon(at)ubermods.org.

Once again, thanks for your time and any assitance you can offer.

Dave


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