4-24 Disassembly and ReassemblyInstalling or Swapping a Hard Disk Drive in a Hot-swap BayThis procedure describes installing a new drive or swapping out a faulty drivefrom one of the seven hot-swap SCSI disk drive bays. The 3 1/2-inch SCSIdrives must use the industry standard 80-pin Single Connector Attachment(SCA) connector. Each drive must be installed in a drive carrier.Note: To order a disk with a carrier, contact your salesrepresentative or dealer. If installing new drives, follow an installation scheme starting with thebottom drive. Fill the bays from bottom to top.Note: ESD can damage disk drives, boards, and otherparts. This system can withstand normal levels ofenvironmental ESD while you are hot-swapping SCSI harddrives. However, we recommend that you do all proceduresin this chapter only at an ESD workstation or provide someESD protection by wearing an antistatic wrist strap attachedto chassis groundany unpainted metal surfaceon yoursystem when handling parts.! CAUTIONDrive manufacturer's caution against moving a disk drivethat is still spinning because of possible damage to the drive.After you determine which drive has been flagged as faulty, the procedure is thesame to swap a drive or to install one for the first time.