Sun Microsystems Netra X4200 M2, Service Manual

Page: 153 / 222

Appendix C Status Indicator LEDs 137
FIGURE C-5
Netra X4200 M2 Internal Status LED Locations
TABLE C-5
Internal LED Functions
LED Name Description
DIMM Fault LED
(The ejector levers on the
DIMM slots are the LEDs.) This LED has two states:
• Off: DIMM is operating properly.
• Lit (amber): DIMM has failed.
CPU Fault LED
(on motherboard) This LED has two states:
• Off: CPU is operating properly.
• Lit (amber): CPU has encountered a voltage or heat error
condition.
GRASP Board Power Status
LED This LED has two states:
• Off: Standby power is not reaching the GRASP board.
• Lit (green): 3.3V standby power is reaching the GRASP
board.
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)
DIMM SW2
NOTE: PCI Hold-Down
Bracket removed