Promise Technology UltraTrack RM4000 User Manual page 16

UltraTrak Series User Manual
Important
Be sure each drive is securely fastened to its carrier. Proper
installation ensures adequate grounding and minimizes vibration.
Do not install drives with fewer than four screws.
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Figure 6. RM4000 drives are numbered right to left.
Caution
If you plan to operate your UltraTrak with less than four hard disk
drives, install all four Drive Carriers into the Chassis, even if they
are not holding a drive.
Note
The Drive Carrier Latching Mechanism must be locked or the
disk drive will not power up. The power light comes on when the
mechanism is locked.
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