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Off: No security feature is enabled on the server.
6
XCC WLAN activity LED (green)
The WLAN activity LED helps you identify the status of WLAN connection.
Status
On
Off
7
x86 WLAN activity LED (green)
The WLAN activity LED helps you identify the status of WLAN connection.
Status
On
Off
8
NMI button
Press this button to force a nonmaskable interrupt to the processor. You might have to use a pen or the end
of a straightened paper clip to press the button. You can also use it to force a blue-screen memory dump.
Use this button only when you are directed to do so by Lenovo Support.
PMB status LED
This topic provides information about the PMB status LED and corresponding action suggestions.
Note: Depending on the model, your server might look slightly different from the illustration.
The following minimal configuration is required for the server to start:
• One DRAM memory module in DIMM slot 1
• Depending on the model, one of the following power source:
– One 300W external power adapter
– AC power source input
– DC power source input
• One 2280 NVMe M.2 drive in Slot 1 on the I/O module board
• Two system fans
Figure 17. PMB status LED
Color
Description
Green
There is XCC WLAN connection.
None
The is no XCC WLAN connection, or the server does not come with wireless
module.
Color
Description
Green
The x86 WLAN is operating properly.
None
The x86 WLAN RF is turned off, or the x86 WLAN is not operating properly, or the
server does not come with wireless module.
.
Chapter 2
Server components
37
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