System-board LEDs

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

Figure 1. 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)