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Functional Architecture Intel
®
Server Board S5000PAL / S5000XAL TPS
Revision 1.4
Intel order number: D31979-007
42
3.5.1.4 Wake-up Control
The super I/O contains functionality that allows various events to power-on and power-off the system.
3.5.1.5 System Health Support
The super I/O provides an interface via GPIOs for BIOS and Server Management Firmware to activate
the Diagnostic LEDs, the FRU fault indicator LEDs for processors, DIMMs, fans and the system status
LED. Refer to Figure 2. Light Guided Diagnostic LED Location Diagram for the location of the LEDs on
the baseboard.
The super I/O also provides PMW fan control to the system fans, monitors tach and presence signals for
the system fans and monitors baseboard and control panel temperature.