Quantum Quantum Atlas 10K II 9.2/18.4/36.7/73.4 GB, Product Manual

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Installation
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4 Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives
Figure 3-2 Mechanical Dimensions for the 80-pin SCA-2 Quantum Atlas 10K II Ultra
160/m SCSI 9.1/18.2 Disk Drives (Low Profile Form Factor)
Shock Feet
Quantum Atlas 10K II Ultra 160/m SCSI disk drives are outfitted with plastic shock
feet on the bottom edge of the base casting, near the corners, beneath the side
mounting holes (translucent), and near the corners of the top cover next to the
screws (black). The shock feet give an additional level of isolation to prevent the
head and disk damage that occasionally may occur during unpacking, staging, and
installation. The shock feet attenuate the short-pulse shocks that occur when
placing the drive on a hard work surface. If the drive is tested on a hard surface, it
should be supported so that its shock feet are not in contact with the hard surface;
the disk drive should be supported in the middle, between the shock feet.
NOTE
To provide optimal protection, the shock feet are designed to exceed the form
factor when uncompressed.
101.6 mm
(4.00 in.)
26.1 mm
(1.02 in.)
147.0 mm
(5.78 in.)