Cpu/Memory+ And I/O+ Board Leds; Table 9-2 Board Status Led Codes - Sun Microsystems Enterprise 6500 Reference Manual

9.2.3

CPU/Memory+ and I/O+ Board LEDs

TABLE 9-2
symbols are marked on the card cage frame above the respective LEDs. Note that
many but not all of the LED codes are the same as the system codes (
TABLE 9-2
Power
Off
Off
Off
Off
On
On
On
On
On
On
On
On
Note – For boards, Off-On-Off indicates that the board is in low-power mode and is
ready for removal. (For the system, Off-On-Off indicates a failure.)
Caution – If the Power LED is lit, do not remove the board. Removing a board that
is not in low-power mode will damage the board and the system.
summarizes LED codes for boards. The Power, Service, and Cycling
Board Status LED Codes
Service Cycling
Off Off
On Off
Off Flashing
On Flashing
Off Off
Off On
On Off
On On
Off Flashing
On Flashing
Flash Off
Flash On
Condition
Board has no electrical power.
Board is in low-power mode, can be unplugged.
Undefined.
Undefined.
System is hanging, either in POST/OBP or OS.
Hung in OS.
(Hung in POST/OBP) or (hung in OS and failed
component on board).
(Hung in POST/OBP) or (hung in OS and failed
component on board).
OS running. System is operating normally.
OS running and failed component on board.
Slow flash = POST. Fast flash = OBP.
OS or OBP error.
Chapter 9
TABLE 9-1
Troubleshooting Overview
).
9-5