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| Oracle Integrated Lights Out Manager (ILOM) 3.0
Supplement for Sun Server X2-4
The /SYS/INTSW sensor is asserted when the server's top cover is removed while power is being applied to the server. This is an improper service action so this sensor serves to alert you to any unauthorized and inadvertent removal of the server's cover. Thus, this sensor enables system administrators to have confidence that the physical integrity of the server has not been violated. This is particularly beneficial when the server is in a remote or uncontrolled location.
Note - The server cannot be powered on when the server top cover is off and the /SYS/INTSW sensor is asserted. If the server's top cover is removed while the server is powered-on, the host will immediately employ a non-graceful shutdown to power off the server.
The /SYS/INTSW sensor is asserted when the chassis intrusion switch trips while the server is powered-on. If the AC power cords are connected to the server, power is being applied to the server. Even when you shut down the server's host, power is still being applied to the server. The only way to remove power from the server completely is to disconnect the server's AC power cords.
The chassis intrusion switch will trip if the server's cover is removed, the switch itself is misaligned, or the cover is not properly seated. This sensor is deasserted when the integrity of the server's chassis is restored, that is, when the removed cover is properly reinstalled, returning the chassis intrusion switch to its closed state.
Caution - Removing the server's top cover while the power cord is connected to the system is not an authorized service action. Proper service action requires that host and SP shutdown operations be observed and that the power cords be disconnected from the system before the cover is opened. If proper service actions are taken, you should not see the /SYS/INTSW sensor asserted unless there are other issues, such as a misaligned chassis intrusion switch.