Re: [mu TECH] Trouble with AST Notebook / hdparm -c

From: Alfie Costa (
Date: Fri Apr 19 2002 - 00:07:16 CEST

On 18 Apr 2002, at 23:45, Vesa-Pekka Palmu <> wrote:

> You could also try to use "hdparm -c -1 /dev/hda" to disable the hd
> power saving, but I cant exactly remember should there be -1 or 0
> after the -c argument.

Or maybe just plain "-Z", not "-c". "-c" is for toggling 32-bit mode support.
"-C" (capitalized) checks the power mode status. Sadly, the many parameters of
"hdparm" aren't all that well organized.

'man hdparm' says:

    -Z Disable the automatic power-saving function of cer­
              tain Seagate drives (ST3xxx models?), to prevent
              them from idling/spinning-down at inconvenient

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