How to spindown(sleep) a SATA hard disk drive under Windows?

How to spindown(sleep) a SATA hard disk drive under Windows? I am using a 3.5" SATA HDD from the eSATA port of my laptop. The HDD is powered with another ATX power supply. Each time I unplug the eSATA, I cannot make the HDD spindown before I power off the ATX.
Asked by: Guest \| Views: 212

Total answers/comments: 2

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Guest [Entry]

"Have you tried savely removing it (perhaps only for USB) or unmounting the drive?

Else have a look at HotSwap!

You can treat the eSata like a HDD you're trying to hot swap, thus turning it off. But instead of swapping it, you just leave it off.

Features:

Compatible user interface with the ""Safely Remove Hardware"" icon on Windows XP.
Confirms all volumes assigned to the drive are not in use before removing it.
Spin-down the drive to remove the drive safely.
Not only fixed disk drives but also other type of drives can be removed.
Runs without user interface by given command line switch and also the message popup can be suppressed."

Guest [Entry]

"hdparm will not work with all SATA controllers, (for example, I have Promise FastTrak TX2300 and hdparm issues an error message).

I think there are other utilities that may work, for example sdparm and sg3_utils, both have a Windows port. I will try them."