[ltp] Re: New HDD for X200s: What to consider?

[Christoph Bier]

Hi Martin,

Martin Steigerwald schrieb am 14.05.2011 09:01:

> Am Sonntag, 8. Mai 2011 schrieb Christoph Bier:
>> Hello,
> 
> Hi Christoph,
> 
>> I want to upgrade my X200s' HDD. What should I consider (apart from
>> form factor)? Do I need G-Force for ASP to work? Or does ASP
>> "replace" G-Force? If so does G-Force interfere with ASP? My X200s
>> shipped with a Seagate Momentus 5400.4 with 250 GB; AFAICS without
>> G-Force. The ThinkWiki speaks about "head unload ramp technology"
>> and points to the Hitachi homepage. But the link is dead. 
> 
> Try http://www.hitachigst.com

Thanks! JFTR: http://goo.gl/iwVsD

>> How do I
>> know whether a HDD supports this technology? Does capacity affect
> 
> shambhala:~> hdparm -I /dev/sda | grep IMMED
>            *    IDLE_IMMEDIATE with UNLOAD

But I'd like to know /before/ buying.

>> power consumption? How much is rpm's impact on power consumption
> 
> It doesn't  seem so. For some hint for power consumption look into data 
> sheets of harddisk. Hitachi only seems to include idle consumption tough.
> 
>> (5400 vs 7200 rpm)?
> 
> I think this will have some impact. 7200rpm will likely also be louder. 
> Check for acoustics in data sheet.
> 
> I have always chosen 5400 rpm for internal laptop drives.

Thanks for your answer!

Best
Christoph
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