Status Color Description
Fast blinking
(about four
flashes per
second)
Green The server is off, but the XClarity Controller is initializing, and the server is not ready
to be powered on.
Off None There is no ac power applied to the server.
2 Drive activity LED
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 Description
Solid on Green
The drive is active.
Flashing
Green
The drive is being accessed.
Off
None The drive is not active.
3 Network activity LED
The network activity LED helps you identify the network connectivity and activity.
Status Color
Description
On Green
The server is connected to a network.
Blinking
Green
The network is connected and active.
Off None The server is disconnected from the network.
4 System ID button with system ID LED
Use this system ID button and the blue system ID LED to visually locate the server. Each time you press the
system ID button, the state of the system ID LED changes. The LED can be changed to on, blinking, or off.
You can also use the Lenovo XClarity Controller or a remote management program to change the state of the
system ID LED to assist in visually locating the server among other servers.
If the XClarity Controller USB connector is set to have both the USB 2.0 function and XClarity Controller
management function, you can press the system ID button for three seconds to switch between the two
functions.
5 System error LED
The system error LED provides basic diagnostic functions for your server.
18
ThinkSystem ST250 V2 Setup Guide
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