Sony PCV-R553DS - Manual (Page 19)

Identifying Components 5
Indicators
Indicator Description
Power/Standby indicator Standby (amber) indicates the computer is
in standby mode.
On (green) indicates the computer is out
of standby mode, ready to use.
Off (no color) indicates the computer is
turned off.
Diskette drive access indicator On (green) indicates diskette drive
activity.
Optical drive access indicator On (orange) indicates optical disc activity.
Hard disk drive access indicator On (amber) indicates hard disk drive
activity.
FRNTPNLC.VSD
Optical drive access
Diskette drive access
Power/Standby
Hard disk drive access