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20 Momentus 5400 FDE.4 SATA Product Manual, Rev. C

3.4 Drive mounting

You can mount the drive using four screws in the side-mounting holes or four screws in the bottom-mounting

holes. See Figure 4 for drive mounting dimensions. Follow these important mounting precautions when mount-

ing the drive:

• Allow a minimum clearance of 0.030 in

ches (0.76 mm) around the entire perimeter of the drive for cooling.

• Use only M3 UNC mounting screws.

• Do not overtighten the mounting screws. Maximum torque: 4.0 inch-lb (0.4519 N-m).

• Four (4) threads (0.080 inches, 2.032 mm) minimum screw engagement recommended.

• Avoid excessive drive distortion when mounting. Refer to the following sp

ecifications for stiffness/deflection

information:

Top cover stiffness/deflection

Operating with no performance degradation, emitted noise,

mechanical damage, or hard errors

10 mm probe: 1.02kgf or

5 mm probe: 0.92kgf

Non-operating with no hard errors 20 mm probe: 2kgf at any point of top cover

20 mm probe: 15kgf at top cover edges only

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Acer Power 5400 Handbuch Seite 26