Installing System Components 165Installing a Hard-Drive Into a Hard-Drive CarrierCAUTION: 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 Place the hard-drive into the hard-drive carrier. See Figure 3-15.2 Replace the four screws securing the hard-drive to the hard-drive carrier.See Figure 3-15.Hard-Drive Cage Hard-DrivesThe sled supports a multiple drive bay design that allows installation of up toeight 2.5-inch hard-drives or four 3.5-inch hard-drives installed into the sledcover.Removing a Hard-Drive Carrier Located on the Sled CoverCAUTION: 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.CAUTION: To maintain proper system cooling, all empty hard-drive slots musthave hard-drive blanks installed.CAUTION: Combining SAS, SATA, and SSD hard-drives in the same sledconfiguration is not supported.CAUTION: Use only hard-drives that have been tested and approved for use withthe SAS/SATA backplane.CAUTION: To prevent data loss, ensure that your operating system supports hot-swappable drive installation. See the documentation supplied with the operatingsystem.1 M3 screws (4) 2 hard-drive3 hot-plug hard-drive carrier