Supermicro SuperServer 420GP-TNAR User Manual page 59

Installing an Expansion Card in the Switch Tray
1. Power down the system and remove the switch tray as described in Section 3.1 and 3.2.
2. Remove the shield and screw where the expansion card will be installed.
3. Install the expansion card and re-install the screw.
Screw
Figure 3-13. Remove Shield and Screw
Installing AIOM in the Switch Tray
1. Power down the system and remove the switch tray as described in Section 3.1 and 3.2.
2. Loosen the thumbscrew on the AIOM shield and remove it from the chassis.
3. Push the AIOM card into the chassis until the release lever retracts.
4. Tighten the thumbscrew to secure the AIOM card in the chassis.
Thumbscrew
Figure 3-15. Remove Shield
Chapter 3: Maintenance and Component Installation
Figure 3-14. Install Card and Screw
Release Tab
Figure 3-16. Install AIOM
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Thumbscrew