> -----Original Message-----
> From: piclist-bounces@mit.edu 
> [mailto:piclist-bounces@mit.edu] On Behalf Of Hector Martin
> Sent: Friday, July 13, 2007 3:16 AM
> To: Microcontroller discussion list - Public.
> Subject: Re: [EE]:: SATA transfer rate
> 
> Tomas Larsson wrote:
> > I think you got it a little bit wrong.
> > The delayed write / write cache is actually residing on the disk 
> > itself, the OS can't do very much about it.
> 
> While hard drives do have write caches, so does the OS. In 
> this case it's the OS's cache we're talking about. I'm also 
> pretty sure many flash drives have next to no cache, unlike 
> real platter-based hard drives.

The cache setting in the device manager is for switching the hard-drive
write-cache on or of, not the OS.
Don't think I ever seen a settings for the OS disk-buffers for others than
flash -drives.
As far as I know, the OS do not maintain any configurable buffers for
hard-drives, only for memory-cards an similar.

With best regards

Tomas Larsson
Sweden
http://www.tlec.se
http://www.ebaman.com

Verus Amicus Est Tamquam Alter Idem > 

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