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Re: Sun Blade 100 vs Ultra 60


On Mon, 11 Feb 2008, Rafal Boni wrote:

> Date: Mon, 11 Feb 2008 21:40:35 -0500
> From: Rafal Boni <rafal%pobox.com@localhost>
> To: port-sparc64%NetBSD.org@localhost
> Subject: Re: Sun Blade 100 vs Ultra 60
> Kurt J. Lidl wrote:
> > The T1 has an onboard IDE controller, which uses the CMD 646 controller.
> > Typically used for the CDROM in these machines. But it can be re-tasked
> > for hard drives as well.
> Heh, having used the CMD646 in the Ultra5 for disk access, I have one
> word: "ewwwww".  Maybe the chip used in the T1/105 is a newer rev, but
> the U5 got abysmal disk performance (due to UDMA being disabled to work
> around a chip bug, AFAIR) when using the on-board CMD646.

I knew someone with a U5. I didn't realize that there was a problem with
the ide controller.


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