MSI WIND TOP AC1900 User Manual page 20

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Overview
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7
Ventilator
1
The ventilator on the enclosure is used for air convection and to pre-
vent the equipment from overheating. Do not cover the ventilator.
Drive Activity LED
2
The drive activity LED is on when data is read from or written to the
hard disk drive (HDD) or optical disk drive (ODD).
Power LED
3
The power LED glows when the system is turned on and goes off
when the system is shut down. In terms of power saving, the LED
blinks in S3 (Suspend to RAM) mode and goes off in S4 (Suspend
to Disk) mode.
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