Installing System Components 205Installing the Back GPGPU Card RiserCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized is not covered bywarranty. Read and follow the safety instructions that came with the product.1 Connect the twin axial cable to the GPGPU card riser. See Figure 3-51.2 Place the GPGPU card riser into the sled cover. See Figure 3-51.3 Replace the two screws securing the GPGPU card riser to the sled cover.See Figure 3-51.4 Replace the back GPGPU card assembly. See "Installing the Back GPGPUCard Assembly" on page 200.5 Close the sled. See "Installing the Sled Cover" on page 168.6 Replace the sled. See "Installing a Sled" on page 142.Hard-Drive Cage BackplaneThe following replacement procedure applies to sleds with 2.5-inch hard-drivecage backplane or 3.5-inch hard-drive cage backplane.Removing the 2.5-inch Hard-Drive Cage BackplaneCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized is not covered bywarranty. Read and follow the safety instructions that came with the product.NOTE: A hard-drive cage backplane must be installed in each sled to maintainproper airflow, even when the sled is in a diskless configuration.1 Remove the sled from the enclosure. See "Removing a Sled" on page 141.1 back GPGPU card riser with twinaxial cable2 power cable3 screws (2)
