Fujitsu PRIMERGY TX2550 M5 Upgrade And Maintenance Manual page 76

Basic hardware procedures
Figure 27: Installing the front cover (B)
▶ Fold down the front cover (1) until the locking clips on the bottom edge
engage (2).
▶ Insert and push the ID card into its slot until it locks in place (see
Figure 16).
76 Upgrade and Maintenance Manual TX2550 M5