Effective Altitude (Sea Level); Shock - Seagate CONSTELLATION.2 ST91000640NS Product Manual

3.9.3

Effective altitude (sea level)

a. Operating
-200 to +10,000 feet (-61 to +3,048 meters)
b. Non-operating
-200 to +40,000 feet (-61 to +12,210 meters)
3.9.4

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.
3.9.4.1 Operating shock
These drives comply with the performance levels specified in this document when subjected to a maximum
operating shock of Read 70 Gs and Write 40 Gs based on half-sine shock pulses of 2ms. Shocks should not be
repeated more than once every 2 seconds.
3.9.4.2 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 400 Gs based on a nonrepetitive half-sine shock pulse
of 2ms duration.
18 Constellation.2 Serial ATA Product Manual, Rev. B