HP ProLiant ML30 Gen9 User Manual page 30

11. Insert the optical drive assembly into the media bay until it clicks into place.
12. Connect the SATA/power Y-cable.
a. Connect the 4-pin end of the SATA/Power Y-cable to the 4-pin cable from the power supply.
b. Connect the right angle SATA end of the SATA/Power Y-cable to the system board.
c. Route the SATA cable through the cable management clips.
If a redundant power supply is installed, connect the 4-pin to 4-pin extension cable to the redundant
power supply cable.
For cable routing information, see "Slim optical disk drive cabling."
30 Hardware options installation