Fujitsu PRIMERGY TX2550 M5 Upgrade And Maintenance Manual page 181

▶ Wait about 30 seconds to allow the HDD to spin down.
This period is necessary for the RAID controller to recognize that an
HDD module has been removed and for the HDD to come to a stop.
▶ Pull the HDD module completely out of its bay.
Installing a 3.5-inch dummy module
CAUTION
▶
If the removed HDD module is not replaced immediately, always
replace a dummy module into the unused HDD bay to comply with
applicable EMC regulations and satisfy cooling requirements.
Figure 93: Installing the 3.5-inch dummy module
▶ Push the dummy module into the empty bay until it engages.
Concluding steps
▶ When working on a floorstand model, close the HDD bay cover, see
"Installing the accessible drive bay cover" on page
TX2550 M5
Hard disk drive (HDD) / solid state disk (SSD)
Upgrade and Maintenance Manual
78.
181