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Figure 2-1 Front of the computer with display panel closed (R850)
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32
4
5
6
7
1. DC IN indicator 5. Memory media slot indicator
2. Power indicator 6. Wireless communication indicator
3. Battery indicator 7. Wireless WAN/WiMAX indicator
4. Hard Disk Drive/Optical
Disc Drive/eSATA indicator
DC IN indicator The DC IN indicator normally glows green when
power is being correctly supplied from the AC
power adaptor. However, if the output voltage
from the adaptor is abnormal, or if the computer's
power supply malfunctions, this indicator will
flash orange.
Power indicator The Power indicator normally glows green when
the computer is turned on. However, if you turn
the computer off into Sleep Mode, this indicator
will flash orange - approximately two seconds on,
two seconds off - both while the system is
shutting down and while it remains turned off.
Battery indicator The Battery indicator shows the condition of the
battery's charge - green indicates the battery is
fully charged, orange indicates the battery is
charging, and flashing orange indicates a low
battery condition.
Please refer to Chapter 5, Power and Power-Up
Modes for more information on this feature.
Hard Disk Drive/Opti-
cal Disc Drive/eSATA
indicator
The Hard Disk Drive/Optical Disc Drive/
eSATA indicator blinks green whenever the
computer is accessing the built-in hard disk drive,
optical disc drive or eSATA device.
Memory media slot in-
dicator
The Memory media slot indicator blinks green
when the computer is accessing the memory
media slot.
R850/R840/R830
User's Manual 2-2