HP ProLiant DL145 Maintenance And Service Manual page 26

Figure 23 Installing a SATA or SAS hard drive in the hot-plug HDD carrier
4. Perform the procedure in the "Installing a hot-plug SATA/SAS drive assembly" section on page 24 to
reinstall the hot-plug drive assembly in the chassis.
Installing the hot-plug SATA/SAS backplane
To enable hot-plug SATA/SAS drive functionality, you must install a hot-plug SATA/SAS controller board and
cabling in addition to the hot-plug backplane. See the "Installing a hot-plug SATA/SAS controller board" section
on page 28 for more details.
To install the hot-plug SATA/SAS backplane board:
1. Perform the pre-installation procedures described on page 11.
2. Perform steps 2 to 4 in the "Removing a system fan" section described on page 51 to remove each system
fan.
3. Disconnect the drive power and SATA data cables:
a. Disconnect the power cable from each hard drive installed in the server.
b. Disconnect the power cable from the optical drive docking board, if installed.
Figure 24 Disconnecting the optical drive power cable
c. Disconnect the drive power cable from the connector on the system board (P41).
d. Disconnect all SATA data cables from the hard drives and at the system board connectors (P19 and
P23).
4. Perform step 3 of the "Removing a non-hot-plug SATA hard drive" section described on page 21 for each
HDD bay to remove both non-hot-plug HDD carriers from the chassis.
5. Install the hot-plug backplane:
Removal and replacement procedures 26