Supermicro SuperServer 420GH-TNGR User Manual page 64

Chapter 3: Maintenance and Component Installation
Installing a Single-Width AIOM
1. Power down the system and remove the CPU tray.
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.
Thumbscrew
Figure 3-17. Tightening the Screw
Figure 3-18. Installing an AIOM
4. Tighten the thumbscrew to secure the AIOM card in the chassis.
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