Re: UDMA/66

From: Francis Galiegue (fg@mandrakesoft.com)
Date: Fri Sep 01 2000 - 04:44:13 EST

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On Thu, 31 Aug 2000, Jonathan Stanford wrote:

[kernel 2.2.16]

> i was running at 3.4 MB/sec
> now it's as high as 27 MB/sec
>

Then you're using UDMA66. I have a VIA KX133 which also does UDMA66, and a
Maxtor 7.2k rpm 8GB is doing 29MB/s. I didn't even need to compile in specific
VIA chipset support!

>
> shouldn't DMA be enabled upon bootup?
>

It is if and only if you compiled your kernel with the CONFIG_IDEDMA (at least
this is the name of the option in 2.2.x).

-- Francis Galiegue, fg@mandrakesoft.com "Programming is a race between programmers, who try and make more and more idiot-proof software, and universe, which produces more and more remarkable idiots. Until now, universe leads the race" -- R. Cook

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