Fujitsu PRIMERGY TX300 S7 Upgrade And Maintenance Manual page 512

Expansion cards and backup units
Figure 347: Installing the system fan holder (A)
Ê Reinstall the system fan holder as described in section
fan holder" on page 390
Ê Insert the system fan holder into its two guides (1).
Ê Carefully lower the fan holder into the chassis until the two locking tabs
engage (2).
512
in order to secure the GPGPU air duct base:
Upgrade and Maintenance Manual
"Installing the system
TX300 S7 / RX350 S7