System-board LEDs

The following illustration shows the light-emitting diodes (LEDs) on the system board.

Figure 1. System-board LEDs
System-board LEDs
Table 1. System-board LEDs
1 Light path power LED (green) 10 LAN diagnostic LED (yellow)
2 Node power LED (yellow) 11 PCIe 1 error LED (yellow)
3 DIMM 13-16 error LED (yellow) 12 DIMM 1-4 error LED (yellow)
4 DIMM 5-8 error LED (yellow) 13 DIMM 9-12 error LED (yellow)
5 Processor 2 LED (yellow) 14 Slot 4 error LED (yellow)
6 Processor mismatch LED (yellow) 15 Drive 0 error LED (yellow)
7 Processor 1 LED (yellow) 16 Drive 1 error LED (Yellow)
8 Lenovo XClarity Controller 8051 heartbeat LED (green) 17 Drive 2 error LED (yellow)
9 Battery error LED (yellow) 18 Drive 3 error LED (yellow)