Intel® Server System S7000FC4UR TPS Main Board Server Management
Revision 1.0
47
3.3.12 Chassis Intrusion
A three-pin chassis intrusion header is supported for the front of the system. This is intended to
support a micro-switch that is normally open when the chassis cover is installed on the system.
The micro-switch will close and make a connection to ground when the chassis cover is opened
or removed. Pin 3 of the chassis connector gives BIOS the ability of detecting if the chassis
intrusion cable is installed. If the cable is absent then BIOS will drive the fans to high speed.
These intrusion signals are routed to the SIO3 Chassis Intrusion pin and GPIO pin (for Cable
Present).
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