HP Superdome SX2000 User Service Guide, Seventh Edition - HP Integrity Superdo - Page 148
Table A-4 PDH Status and Power Good LED States, The Power Good LED is a bicolor LED green and yellow.
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NOTE: The Power Good LED is a bicolor LED (green and yellow). Table A-4 PDH Status and Power Good LED States LED BIB SMG Description Boot Is Blocked Shared Memory Good USB Universal Serial Bus HB Heart Beat Power Good Power Good Definition When illuminated, it tells the end user that the system is ready to boot. This references non-volatile memory that manageability and system firmware share. When illuminated, the system is ready to begin fetching code. When illuminated, PDHC is communicating with the MP. When blinking, the PDHC processor is running and the cell board can be powered on. Solid green - All power is operating within specifications. Blinking yellow - Voltage rail(s) have been lost and the cell board has shutdown. Solid green but blinking yellow - Cell board is still operating, but one of the redundant converters has failed on one of the voltage rails. 148 sx2000 LEDs