Lenovo THINKSERVER RS210 - Manual (Page 120)

System-board LEDs
The following illustration shows the light-emitting diodes (LEDs) on the system board.
Heatsink Orientation DIMMs DIMMs
1 Fan 5 error LED 9 PCI Express slot 2 error LED
2 Fan 4 error LED 10 PCI Express slot 1 error LED
3 H8 Heartbeat LED 11 Microprocessor error LED
4 Fan 3 error LED 12 Battery error LED
5 Fan 2 error LED 13 Standby power LED
6 Fan 1 error LED 14 System board error LED
7 SAS/SATA Controller LED 15 DIMM 1-6 error LEDs
8 IMM heart beat LED
Table 7. System-board LEDs
LED Description
Error LEDs When one of these LEDs is lit, it indicates that the associated component has
failed.
Baseboard management controller
heartbeat LED This LED flashes to indicate that the IMM is functioning normally.
Standby power LED When this LED is lit, it indicates that the server is connected to ac power.
112 ThinkServer ThinkServer RS210, Types 6531, 6532, 6533, and 6534: Hardware Maintenance Manual