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Subject: Re: ATA Ultra DMA on the PP5020

Re: ATA Ultra DMA on the PP5020

From: Bryan Childs <>
Date: Wed, 24 Dec 2008 10:18:17 -0800

On Tue, Dec 23, 2008 at 9:44 PM, Boris Gjenero <>wrote:

> I got Ultra DMA working on my 5th generation 30 gig iPod. Mode 2 (33.3
> MB/s) seems stable, and it doesn't need CPU frequency boost. I've also used
> mode 4 (66.7 MB/s), but that required boosting and I didn't test it
> extensively.

What an awesome christmas present for us all - nice work!

> I'm wondering how to proceed now. Is there interest in this, or is the
> current way good enough? Should I continue to work on my modified ata.c?
> Should I merge the DMA code with Rockbox with a minimum of change to ata.c
> and create a patch based on that?

I'd say there'd be plenty of interest in this, and I'll add my voice to Mike
and Alex's, and say I'm very interested in a seeing a patch for it.

Received on 2008-12-24

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