Table A-4 Pdh Status And Power Good Led States; Figure A-2. Pdh Status - HP A9834-9001B User's & Service Manual

Figure A-2 PDH Status
PDH STATUS
MSB
BIB SM US
A label will be placed on the outside of the SDCPB Frame to indicated PDH Status, DC/DC Converter faults
that shutdown the sx2000 cell, and loss of DC/DC Converter Redundancy. Figure A-2 illustrates the label and
table A-4 describes each LED. Note: The Power Good LED is a Bi-Color LED (Green/Yellow).
Table A-4 PDH Status and Power Good LED States
LED
BIB Boot Is Blocked
SMG Shared Memory Good
USB Universal Serial Bus
HB Heart Beat
Power Good Power Good
Appendix A
LSB
Power
HB
Good
Description 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, it tells the end user that
the system is ready to begin fetching code.
When illuminated, tells the end user that
PDHC is communicating with the MP.
When blinking, the PDHC processor is
executing. And the cell board can be power
enabled.
Solid green - All power is operating withing
specifications.
Blinking yellow - Voltage rail(s) have been
lost and the cell board has shutdown.
Solid green but blinking yellow - Cell board
still operating, but one of the redudant
converters has failed on one of the voltage
rails
sx2000 LEDs
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