Hi,
I have the add-on system tool installed and I want to use hd-idle to spin down my external hdd because hdpram is not working for my drive. Where can I find the config files and how do I set this up? 
Thanks!
How to setup hd-idle?
- Divemaskstrap
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October 17, 2019 at 12:33 PM - Thread is Resolved
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- Official Post
Can you confirm that it spins down on other OS'es? Some drives simply don't have the capability.
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Found it! The Western Digital drive spins down, but it takes 30 minutes after its last read/write command. I thought it would never stop
I can live with that, and it's very quiet though. Not like those drives in the early days which sounds like a helicopter that was taking off. 
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If you can get to a windows computer you could try downloading western digital utilities.
This allows you to change the sleep time for the drive.
I assume it's built into the firmware on some western digital external drives.
I have 2 Western digital my passport's
Both came with a default 30mins spin down time.
I changed them both to 10mins spin down time with the WD Utilities program.
Hope this helps
