Travelstar 4K120 Hard Disk Drive Specification
3
RH
relative humidity
% RH
per cent relative humidity
RMS
root mean square
RPM
revolutions per minute
RST
reset
R/W
read/write
sec
second
SELV
secondary low voltage
S.M.A.R.TSelf-Monitoring, Analysis, and Reporting Technology
TPI
tracks per inch
Trk
track
TTL
transistor-transistor logic
UL
Underwriters Laboratory
V
volt
VDE
Verband Deutscher Electrotechniker
W
watt
3-state
transistor-transistor tristate logic
1.4 Caution
•
Do not apply force to the top cover (See figure below).
•
Do not cover the breathing hole on the top cover (See figure below).
•
Do not touch the interface connector pins or the surface of the printed circuit board
•
This drive can be damaged by electrostatic discharge (ESD). Any damages incurred to the drive after its
removal from the shipping package and the ESD protective bag are the responsibility of the user.
Summary of Contents for HTS421210H9AT00
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