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.

Page 148 highlights

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

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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
Definition
Description
LED
When illuminated, it tells the end user that the
system is ready to boot.
Boot Is Blocked
BIB
This references non-volatile memory that
manageability and system firmware share. When
illuminated, the system is ready to begin fetching
code.
Shared Memory Good
SMG
When illuminated, PDHC is communicating with
the MP.
Universal Serial Bus
USB
When blinking, the PDHC processor is running
and the cell board can be powered on.
Heart Beat
HB
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.
Power Good
Power Good
148
sx2000 LEDs