[ltp] Head's up: new Lenovo BIOSes and HD APM (hdparm -B)

[Peter B. West]

Henrique de Moraes Holschuh wrote:
> On Tue, 30 May 2006, Peter B. West wrote:
> 
>>I have found on my G41 that setting 254 for power-on operation led to 
>>"ticking" of the drive. I now set a value of 240, and that seems to 
>>control the ticking while presumable giving good performance without too 
>>much stress on the drive.
> 
> 
> This is weird. 240 is probably the same as 254 (depends on the drive, check
> the datasheet), but even if it is _not_ the same, it *must* activate a
> deeper power management mode (i.e. one that is more effective/aggressive)
> than 254 does, so if anything, it should increase the amount of
> unloads/tickings...
> 

The ticking was not consistent.  Sometimes it would be quiet for an 
extended period before starting to tick, and at other times it would 
start immediately, and be *really, really* annoying.

Peter

-- 
Peter B. West <http://cv.pbw.id.au/>
Folio <http://defoe.sourceforge.net/folio/>