Lenovo ThinkSystem ST250 V3 System Configuration Manual page 40

Figure 15. Front I/O module LEDs
Table 12. Front I/O module LEDs
Power button/LED (green)
1
Drive activity LED (green)
2
Note: For onboard SATA indication only
Network activity LED (green)
3
Note: For onboard LAN indication only
1 Power button/LED (green)
You can press the power button to turn on the server when you finish setting up the server. You can also hold
the power button for several seconds to turn off the server if you cannot turn off the server from the operating
system. See "Power on the server" in User Guide or Hardware Maintenance Guide for more information. The
power status LED helps you determine the current power status.
Status Color
Solid on Green
Slow blinking Green
(about one flash
per second)
Fast blinking Green
(about four
flashes per
second)
Off None
2 Drive activity LED (green)
The drive activity LED helps you to determine the status of the drive activity.
Note: The drive activity LED only indicates the activities of drives that are connected to the SATA ports on
the system board.
Status Color
Solid on Green
Flashing Green
Off None
3 Network activity LED (green)
The network activity LED helps you identify the network connectivity and activity.
ThinkSystem ST250 V3 System Configuration Guide
32
Description
The server is on and running.
The server is off and is ready to be powered on (standby state).
The server is off, but the XClarity Controller is initializing, and the server is not ready
to be powered on.
There is no ac power applied to the server.
Description
The drive is active.
The drive is being accessed.
The drive is not active.
System ID button/LED (blue)
4
System Error LED (yellow)
5