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Subject: Re: Question about hdparm & dma.
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Sat, 2003-03-22 at 11:52, Justin Piszcz wrote:
> My question is, how is it possible to get > 33MB/s in only UDMA Mode 2 
> (the linux driver only supports up to UDMA2).

You can overclock things if you have the setup wrong.

> So basically I am wondering if udma mode 5 will be supported for SIS 
> chipsets.

I'm wondering if SiS are ever going to provide useful documentation.
SiS won't deal with individuals only companies which complicates matters

> Secondly, I also have one of those Promise/Serial ATA raid on the 
> motherboard (2 serial ata/1 ata133), but that is not supported at all.

That may change if things go ok. 
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