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Chapter 3
Troubleshooting
Common Installation Problems
54
OL* LEDs
PCI/Cell LED OL*
MP Core I/O LEDs
The MP Core I/O LEDs are located on the MP Core I/O Panel.
Table 3-6 OL* LEDs
Location LED Driven By State Description
Chassis Beside
Cell and On Cell
Cell Board Power Cell LPM On Green 3.3V SB and Cell_Pwr_Good
3.3V SB off, or 3.3V SB on and no
Cell_Pwr_Good
Cell Attention SP via GPM Yellow See Table 3-7.
PCI OL* Board PCI Slot Power LBA On Green Slot is powered
Off Slot is not powered
PCI Slot Attention LBA Off Normal
Yellow See Tab le 3-7.
MP Core I/O
Panel
PCI Slot Power LBA On Green Core is powered
Off Core is not powered
PCI Slot Attention LBA Off Normal
Yellow See Tab le 3-7.
Table 3-7 OL* LEDs States
State
Power
(Green)
Attention (Yellow)
Normal Operation (powered) On Off
Fault Detected, power on On Flashing
Slot Selected, power on, NOT Ready for OL* On On
Power off or Slot Available Off Off
Fault Detected, power off Off Flashing
Ready for OL* Off On
Table 3-8 MP Core I/O LEDs
LED Driven By State Description
Management Processor
Power Good
3.3SB On Green 3.3V SB is on
Off 3.3V SB off