Fujitsu PRIMERGY GX2560 M7 Upgrade And Maintenance Manual page 206

Graphic processor (GPU)
Figure 163: Installing the locks of the GPU board
▶ Make sure the locking bar is in vertical position.
▶ Insert the locks in place (1).
▶ Press down the locking bar (2). Do not apply too much force when pressing
down the locking bar. If the locking bar cannot be pressed down with mild
force, then it means certain portion of the GPU board is not properly aligned
and must be checked again.
206 Upgrade and Maintenance Manual GX2560 M7