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Appendix C Status Indicator LEDs C-5
C.2 Internal Status Indicator LEDs
The Sun Fire X4100 and Sun Fire X4200 servers have internal status indicator LEDs
for the fan modules, the DIMM slots, the CPUs, and the GRASP board.
FIGURE C-3
shows the locations of the internal LEDs. TABLE C-3 describes the LED behavior.
Note – To see the CPU LEDs, the GRASP board LED, or the LEDs in the ejector
levers of the DIMM slots, you must put the server in standby power mode (shut
down with the front panel Power button, but do not disconnect the AC power
cords).
FIGURE C-3 Sun Fire X4100 and Sun Fire X4200 Internal Status LED Locations
FT1
FM0
FT1
FM1
FT1
FM2
FT0
FM0
FT0
FM1
FT0
FM2
CPU1 CPU0
DIMM 0
DIMM 2
DIMM 1
DIMM 3
DIMM 0
DIMM 2
DIMM 1
DIMM 3
Front panel of server
Back panel of server
Fan module fault LEDs
DIMM fault LEDs
in DIMM ejector levers
on fan modules
Location of CPU
LEDs on the
motherboard
GRASP board
power status LED
(on the GRASP board)