Rockbox mail archiveSubject: Re: using the IDE disk cache
Re: using the IDE disk cache
From: Manuel Dejonghe <manuel_at_dejonghe.de>
Date: Thu, 10 Nov 2005 21:43:03 +0100
On 11/10/05, Harald Milz <hm_at_seneca.muc.de> wrote:
> does rockbox use the 2M or 8M cache of the disk? AFAIK one can set a
> readahead so that data is buffered in the cache. This would help a lot in
> terms of saving power, like the 8M cache mod.
> I can't find anything like that in the source code (ata.c, methinks).
If I remember correctly, this buffer can not be used (is flushed by
the hard disk itself) as soon as the disk is powered down/spun down.
That would mean that this buffer can only be used by systems faster
than the harddrive, which the archos hardware definitely not is.
Received on 2005-11-10