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Subject: Re: Q re ipod 5.5g w/ large disks, was Rockbox 3.7.1 released!

Re: Q re ipod 5.5g w/ large disks, was Rockbox 3.7.1 released!

From: Harald Milz <hm_at_seneca.muc.de>
Date: Tue, 4 Jan 2011 19:55:56 +0100

On Tue, Dec 21, 2010 at 09:40:30PM +0000, Torne Wuff wrote:
> On Tue, Dec 21, 2010 at 09:52:24AM -0700, Nicholas Gerstenberger wrote:
> > Rockbox does support larger drives but i've found that i need to modify
> > one line in the _ipodvideo.h_ source file (folder -
> > firmware\export\config\) before Rockbox would boot up and run correctly
> > for me:
> > /#define MAX_PHYS_SECTOR_SIZE *1024*/
> > Change *1024* to *4096*. Save and compile as normal.
> >
> > I don't know if this MAX is universal for all drives but it worked for
> > the 120GB drive (a Hitachi HS12YHA)
>
> You shouldn't have to do this unless the drive's firmware is broken. The
> reason that exists in the first place is because the original 80GB drive
> in the iPod Video is broken, and fails to emulate unaligned sector
> accesses as is required by the ATA specification.
>
> If this is really needed for your drive then this is surprising, but not
> impossible; Toshiba managed to make a drive that was broken :)

As I wrote earlier (last year) - I had to do this mod for the 240g Toshiba
disk, and against SVN r25131 (dunno how this matches against 3.6).

> The people on the forums who used to have to increase it don't need to
> any more, because I improved the emulation code to only operate if the
> drive actually requires it and no other drives do.

OK, let me give it a try ...

-- 
Durch Schaden wird man klug, aber nicht reich.
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Received on 2011-01-04

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