Dell PowerVault 221S (SCSI) - Manual (Page 20)

Removing and Installing Hard Drives: Dell PowerVault 220S and 221S Systems Installation and Troubleshooting Guide
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b. Separate the rail from the shield with enough space to insert the access pins.
c. Find the two holes on the slide rail labeled "S" and insert access pins in the holes by pressing the pins through
from the inside of the rail (see Figure 3-3 ).
Figure 3-3. Configuring a SCSI Drive Carrier
d. Reassemble the slide rail to the carrier shield and bend the metal retaining tab back into place.
2. Perform the following steps to install the new hard drive into the carrier:
a. If you are replacing a hard drive in the carrier, remove the four screws that secure the hard drive to its carrier
(see Figure 3-4 ).
b. Position the replacement hard drive into the hard-drive carrier with the hard drive's controller board facing the
carrier shield.