Four types of settings are available:
• Host only mode
In this mode, the USB port is always solely connected to the server.
• BMC only mode
In this mode, the USB port is always solely connected to Lenovo XClarity Controller.
• Shared mode: owned by BMC
In this mode, connection to the USB port is shared by the server and Lenovo XClarity Controller, while the
port is switched to Lenovo XClarity Controller.
• Shared mode: owned by host
In this mode, connection to the USB port is shared by the server and Lenovo XClarity Controller, while the
port is switched to the server.
3 Network Activity LED (green)
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 Power button/LED (green)
Press this button to turn the server on and off manually. The states of the power LED are as follows:
Status Color
Description
Off None
Power is not present, or the power supply has failed.
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.
• System-board-assembly power has failed.
Slow blinking (about
one flash per second)
Green
The server is off and is ready to be powered on (standby state).
Solid on Green
The server is on and running.
5 System ID button/LED (blue)
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.
6 System error LED (yellow)
The system error LED helps you to determine if there are any system errors.
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ThinkSystem SR850 V3 System Configuration Guide
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