Seagate ST3250311SV manual Shock, Operating shock, Nonoperating shock 2 disk models, Vibration

2.9.5Shock

All shock specifications assume that the drive is mounted securely with the input shock applied at the drive mounting screws. Shock may be applied in the X, Y or Z axis.

2.9.5.1Operating shock

The drives comply with the performance levels specified in this document when subjected to a maximum oper- ating shock of 63 Gs based on half-sine shock pulses of 2 msec. Shocks should not be repeated more than two times per second.

2.9.5.2Nonoperating shock

2 disk models

The nonoperating shock level that the drive can experience without incurring physical damage or degradation in performance when subsequently put into operation is 300 Gs based on a nonrepetitive half-sine shock pulse of 2 msec duration.

1 disk models

The nonoperating shock level that the drive can experience without incurring physical damage or degradation in performance when subsequently put into operation is 350 Gs based on a nonrepetitive half-sine shock pulse of 2 msec duration.

2.9.6Vibration

All vibration specifications assume that the drive is mounted securely with the input vibration applied at the drive mounting screws. Vibration may be applied in the X, Y or Z axis.

2.9.6.1Operating vibration

The maximum vibration levels that the drive may experience while meeting the performance standards speci- fied in this document are specified below

5–22 Hz	0.25	Gs (Limited displacement)
22–350 Hz	0.50 Gs
350–500 Hz	0.25	Gs

2.9.6.2Nonoperating vibration

The maximum nonoperating vibration levels that the drive may experience without incurring physical damage or degradation in performance when subsequently put into operation are specified below.

1TB and 500GB models

5–22 Hz	0.25 Gs (Limited displacement)
22–350 Hz	5.0 Gs
350–500 Hz	2.0 Gs

250GB models

5–350 Hz	5.0 Gs
350–500 Hz	1.0 Gs

SV35.5 Series SATA Product Manual, Rev. A 13