Shock; Vibration - Seagate ST9120822A - Momentus 5400.3 120 GB Hard Drive Product Manual

2.10.5

Shock

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.
2.10.5.1 Operating shock
These drives comply with the performance levels specified in this document when subjected to a maximum
operating shock of 350 Gs based on half-sine shock pulses of 2 msec. Shocks should not be repeated more
than two times per second.
2.10.5.2 Nonoperating shock
The nonoperating shock level that the drive can experience without incurring physical damage or degradation
in performance when subsequently put into operation is 800 Gs based on a nonrepetitive half-sine shock pulse
of 2 msec duration.
The nonoperating shock level that the drive can experience without incurring physical damage or degradation
in performance when subsequently put into operation is 900 Gs based on a nonrepetitive half-sine shock pulse
of 1 msec duration.
The nonoperating shock level that the drive can experience without incurring physical damage or degradation
in performance when subsequently put into operation is 400 Gs based on a nonrepetitive half-sine shock pulse
of 0.5 msec duration.
2.10.6

Vibration

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.
2.10.6.1 Operating vibration
The following table lists the maximum vibration levels that the drive may experience while meeting the perfor-
mance standards specified in this document.
5–500 Hz 1.0 Gs (0 to peak). Max displacement may apply below 10 Hz.
2.10.6.2 Nonoperating vibration
The following table lists the maximum nonoperating vibration that the drive may experience without incurring
physical damage or degradation in performance when subsequently put into operation.
5–500 Hz 5.0 Gs (0 to peak). Max displacement may apply below 22 Hz.
16 Momentus 5400.3 PATA Product Manual, Rev. C