8  Drive activity LED
Each hot-swap drive has two LEDs. 
Drive LED
Status
Description
7  Drive status LED (right) Solid yellow
The drive has an error.
Blinking yellow (blinking slowly, about one 
flash per second)
The drive is being rebuilt.
Blinking yellow (blinking rapidly, about four 
flashes per second)
The RAID adapter is locating the drive.
8  Drive activity LED (left) Solid green
The drive is powered but not active.
Blinking green The drive is active.
Operator information panel
The operator information panel of the server provides controls and LEDs. 
The following illustration shows the operator information panel of the server. 
Figure 8. Operator information panel
Table 5.  Components on the operator information panel
1  Power button with power status LED
2  Network activity LED (for OCP 3.0 Ethernet adapter)
3  System ID button with system ID LED 4  System error LED 
1  Power button with power status LED
You can press the power button to power on the server when you finish setting up the server. You also can 
hold the power button for several seconds to power off the server if you cannot shut down the server from 
the operating system. The power status LED helps you to determine the current power status. 
Status Color
Description
Solid on Green
The server is on and running.
Slow blinking 
(about one flash 
per second)
Green The server is off and is ready to be powered on (standby state).
Off
None There is no ac power applied to the server.
2  Network activity LED
When an OCP 3.0 Ethernet adapter is installed, the network activity LED on the front I/O assembly helps you 
identify the network connectivity and activity. If no OCP 3.0 Ethernet adapter is installed, this LED is off. 
Chapter 2. Server components 15