Fujitsu PRIMERGY TX2550 M4 Upgrade And Maintenance Manual page 442

System board and components
Figure 317: Mounting positions on the system air duct
Ê The mounting position is located on the system air duct:
1 FBU 1
2 FBU 2 or Dual microSD 64GB Enterprise
Ê Install the system air duct, see section
page 68.
442
Upgrade and Maintenance Manual
"Installing the system air duct" on
TX2550 M4