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Chapter 2 Hardware Installation and Service 2-33
Users can change the default behavior of the out-of-service (OOS) LED through the
IPMC by using an LED1 control bit. This bit is available only on the Sun Netra
CP3220 blade server.
You can use the set and get IPMC control byte IPMI commands, which are the same
commands used to control the Green OK LED, to change the default OOS LED
behavior to the following:
■ IPMC will not light up OOS LED on POST or any other failure.
■ Upon blade insertion, OOS LED will turn on promptly after the Blue LED turns
off, then remain on.
■ The IPMC will only change the state of OOS LED when commanded via
ATCA/IPMI commands to change LED state.
The alternate behavior remains enabled after firmware upgrades and IPMC cold,
warm, and hard resets. Also, it remains enabled after firmware downgrades, as long
as the version being downgraded to supports this feature.