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Rockbox mail archiveSubject: RE: USB spindown (was RE: Feature Request: USB HDD only Custom Ro m.)RE: USB spindown (was RE: Feature Request: USB HDD only Custom Ro m.)
From: Stuart Tedford <stuart.tedford_at_piresearch.co.uk>
Date: Wed, 25 Aug 2004 13:56:07 +0100 > I didn't change anything, has always been like this. > Maybe you can try the energy saver options (where screensaving etc. is > done), or it is a feature of my disk (Fujitsu 60 GB). > I have tried and tried and I can't get it to spin down under XP. I can't even get my main drive in my laptop to spindown under XP for that matter, I have Toshiba disks in both. I think the key might be the APM mode of the disk. I know RockBox sets this value to 128 at boot up, which is maximum power management WITHOUT spindown. I have an external USB2 drive caddy thing, and the travelstar disk in it I have set to a value of 1 and it does spin down exactly how I would want my JB to under XP. ie. spindown immediately. So I'm thinking Rockbox could set the APM mode to something below 128 - based on the HD spindown setting maybe. It is impotant to note that the reason RockBox can spin down the disk is becasue it does it manually via a seperate spindown ATA command. The APM mode spindown is an internal HD thing. I know there is a util in linux that can change the APM mode, but there is nothing in Windoze that will do it that I can find, except for "IBM PowerBooser" which only works with travelstars and I can't get to work under XP anyway. But you would have to run it every time on your JB because RockBox always resets it to 128. Stu. _______________________________________________ http://cool.haxx.se/mailman/listinfo/rockbox Received on 2004-08-25 Page was last modified "Mon Nov 16 10:57:21 2020" The Rockbox Crew -- Privacy Policy |