Fujitsu PRIMERGY TX2550 M4 Upgrade And Maintenance Manual page 190

Hard disk drive (HDD) / solid state drive (SSD)
Figure 106: Removing the defective 2.5-inch HDD/SSD SAS backplane (A)
Ê Remove four screws from the defective 2.5-inch HDD SAS backplane (see
circles).
Figure 107: Removing the defective 2.5-inch HDD/SSD SAS backplane (B)
Ê Fold up the defective 2.5-inch HDD SAS backplane (1) and at a slight angle,
remove it from the recesses in the HDD cage (2).
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Upgrade and Maintenance Manual TX2550 M4