Sony VAIO PCG-V505DXP User Manual page 23

HDD Standby Timer Controls the time it takes the system to turn off power to the hard disk drive when the system is
idle. This setting only turns off power to the hard disk drive.
i.LINK Port Controls power to the i.LINK port. Disabling power to the i.LINK port conserves power.
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Memory Stick Port Power-Saving Controls power to the Memory Stick media slot. Disabling power to the Memory Stick
slot conserves power.
Optical Drive Power-Saving Controls power to the optical drive. Disabling power to the optical drive conserves power.
Slows the proc es s or s peed.
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