470 Upgrade and Maintenance Manual  TX300 S7 / RX350 S7
Expansion cards and backup units
Figure 299: Installing the secondary GPGPU card
Ê If applicable, insert the second GPGPU card into PCI slot 8 and press down 
firmly until it is fully seated in the slot (1).
Ê Secure and cable the second GPGPU card accordingly (2 and 3).
I For easier access to the securing screw, remove the system fan 
holder first (see section "Removing the system fan holder" on 
page 389).
9.4.1.8 Concluding steps
Perform the following procedures to complete the task:
Ê Reinstall the air duct as described in section "Installing the system air duct" 
on page 102.
Ê Close the side / top cover as described in section "Mounting the top cover" 
on page 115 (rack server) or "Mounting the side cover" on page 122 (tower 
server).
Ê When working on a rack-mounted server, secure it in the rack as described 
in section "Sliding the server into the rack" on page 132.