Fujitsu Primergy BX920 S4 Upgrade And Maintenance Manual page 59

Basic hardware procedures
Ê Open the release lever.
Ê Push the server blade as far as possible into the slot.
Figure 12: Locking the Server Blade
Ê Pull the release lever up until it engages.
It is not a breakdown though the power supply of the server blade intermittently
repeats turning on/cutting when "Automatic inventory collection (Automatic
Inventory Retrieval)" of the management blade is set to "Automatic" (default
value) after the installation of the server blade.
Upgrade and Maintenance Manual 59
BX920 S4