Lenovo ThinkPad T41p Hard Drive Active Protection system white paper - Page 5

Application, function, overview - hard drive

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the ThinkPad computer is used on a plane or train and repetitive vibration is expected. Figure 1. IBM Hard Drive Active Protection System Properties Application function overview The APS software monitors the accelerometer sensor information and displays the sensor status in the system task tray. The following four states of system status are illustrated using the system tray icon: v Shock sensor is disabled. In this state, shock sensor monitoring is not enabled and hard drive active protection is not activated. Figure 2. v Shock sensor is enabled, but no shock is detected. In this state, shock sensing is enabled and monitoring the shock condition. The active protection system does not detect any shock condition and the internal primary hard disk drive is operating normally. IBM Hard Drive Active Protection System 3

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the
ThinkPad
computer
is
used
on
a
plane
or
train
and
repetitive
vibration
is
expected.
Application
function
overview
The
APS
software
monitors
the
accelerometer
sensor
information
and
displays
the
sensor
status
in
the
system
task
tray.
The
following
four
states
of
system
status
are
illustrated
using
the
system
tray
icon:
v
Shock
sensor
is
disabled.
In
this
state,
shock
sensor
monitoring
is
not
enabled
and
hard
drive
active
protection
is
not
activated.
v
Shock
sensor
is
enabled,
but
no
shock
is
detected.
In
this
state,
shock
sensing
is
enabled
and
monitoring
the
shock
condition.
The
active
protection
system
does
not
detect
any
shock
condition
and
the
internal
primary
hard
disk
drive
is
operating
normally.
Figure
1.
IBM
Hard
Drive
Active
Protection
System
Properties
Figure
2.
IBM
Hard
Drive
Active
Protection
System
3