HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 78
Diag LEDs, Firmware Failure Handling, BIOS is Running OK, IPMI Platform Event Trap, Reporting
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Hardware Management (Monitoring and Reporting) Reporting Diag LEDs When a sensor indicates an error, the corresponding LED is turned on. See "Understanding the Diag LEDs" on page 212. In general, auto re-arm is used for sensors. That is, if a sensor threshold has been exceeded and the error is displayed on the LEDs, once the sensor drops below the threshold, the sensor is automatically re-armed so that if its reading rises up above the threshold again, it triggers another error. Each of these errors is also logged in the SEL. Firmware Failure Handling The boot code checks for a valid firmware runtime image and displays a Diag LED code if it is not valid. BIOS is Running OK The HMC detects if the BIOS is running OK and displays a Diag LED code if the BIOS does not provide a message. IPMI Platform Event Trap The firmware sends a platform event as an SNMP trap, using IPMI Platform Event Trap Specification version 1.0. 78 Chapter 5