Western Digital Ultrastar ScaleUp SE4U102 User Manual page 271

4. Management
User Guide
4.9 Partially Populated Enclosures
Installing the 3.5in HDD Assembly
Note: When installing drives, populate the enclosure from left-to-right, rear-to-front. For
example, begin with slot 90 (as shown in the following diagram), continue through 101, then
proceed with 78 through 89, and so on:
Figure 253: Drive Layout
Note: When installing drives, ensure that the LED pointer on the top of the drive carrier
points toward the front of the enclosure, as shown in the following image:
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