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Date:      Sun, 16 Jan 2011 08:24:13 +0100
From:      Matthias Apitz <guru@unixarea.de>
To:        freebsd-questions@freebsd.org
Subject:   Acer Aspire One D250 disk spin-down problem
Message-ID:  <20110116072411.GA3732@tinyCurrent>

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Hello,

I have a laptop Acer Aspire One D250 running 9-CURRENT and it seems that
after ~12 secs the disk is spinning down and is coming up again if an
action, like a command to start, requires this; I have checked with
atacontrol(8) but as far as I can see spin down is disabled:

# atacontrol list 
ATA channel 0:
    Master:      no device present
    Slave:       no device present
ATA channel 1:
    Master:      no device present
    Slave:       no device present
ATA channel 2:
    Master:  ad4 <WDC WD2500BEVT-22ZCT0/11.01A11> SATA revision 2.x
    Slave:       no device present
ATA channel 3:
    Master:      no device present
    Slave:       no device present

# atacontrol spindown ad4
ad4: idle spin down disabled

As well the BIOS has no visible option for this. I want to disable this,
what could I do?

Thanks

	matthias

-- 
Matthias Apitz
t +49-89-61308 351 - f +49-89-61308 399 - m +49-170-4527211
e <guru@unixarea.de> - w http://www.unixarea.de/



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