Netberg Demos R420 M2, User Manual

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Installing Hardware
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3.25. Sensor Board
The location of the sensor board on the 12x3.5” HDD server is shown below:
Figure 3.86. 12x3.5” HDD Server Sensor Board Location
The location of the sensor board on the 24x2.5” HDD server is shown below:
Figure 3.87. 24x2.5” HDD Server Sensor Board Location
3.25.1. To remove the sensor board of 12 x 3.5” HDD
Server
Before you remove or install the sensor board, please follow the steps below:
1. Make sure the server is not turned on or connected to the AC power.
2. Remove the chassis cover. To remove the chassis cover, see Section 3.2, “Top Cover”
3. Remove the HDDs.To remove a HDD, see Section 3.4.2, “Removing a 3.5” Hard Drive tray”
4. Remove the HDD cage. To remove the HDD cage, see the steps 1~2 in Section 3.20.1, “To re-
move the backplane”