Install an A2/L4 GPU air duct
Follow the instructions in this section to install an A2/L4 GPU air duct.
About this task
![disconnect all power](disconnect_all_power_sources-111.png)
Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.
Power off the server and disconnect all power cords for this task. See Power off the server.
Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system.
When one or more A2/L4 GPUs are installed between PCIe slots 1 and 4 or between PCIe slots 5 and 8, one or two A2/L4 GPU air ducts are required to be installed on the fan cage at the same side as the installed A2/L4 GPU for proper cooling and airflow.
See GPU installation rules for detailed information about the technical rules for GPU installation.
Procedure
After this task is completed
If the fan cage and fans are not installed in the chassis, reinstall them. See Install the fan cage assembly and Install a fan module.
Reinstall the air baffle. See Install an air baffle.
Reinstall all the flash power modules, if necessary. See Install a flash power module.
Reinstall the server cover. See Install a server cover.
Complete the parts replacement. See Complete the parts replacement.
Demo video