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Date:      Fri, 21 Dec 2001 13:47:13 +0200
From:      Nevermind <never@nevermind.kiev.ua>
To:        Brad Laue <brad@brad-x.com>
Cc:        Peter Hessler <yodadoa@yahoo.com>, freebsd-stable@FreeBSD.ORG
Subject:   Re: ATA oddity
Message-ID:  <20011221134713.F24253@nevermind.kiev.ua>
In-Reply-To: <20011220121158.48498cb7.brad@brad-x.com>; from brad@brad-x.com on Thu, Dec 20, 2001 at 12:11:58PM -0500
References:  <20011220000423.72aab476.brad@brad-x.com> <20011220055944.1fb37f1d.yodadoa@yahoo.com> <20011220121158.48498cb7.brad@brad-x.com>

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Hello, Brad Laue!

On Thu, Dec 20, 2001 at 12:11:58PM -0500, you wrote:

> > I had a similar situation, where one hd was UDMA 33 and the other was
> > UDMA 66.  That would cause crashes for me after about 5 minutes.  As I
> > wasn't using the other hard drive, I just unplugged it, and it works
> > great.  Before all of this happended, I was using a 40pin 40 connectior
> > ide cable, I the cause (or something that allowed it) was replacing the
> > 40/40 with a 80 pin 40 connector ide cable.
> > 
> 
> I forgot to mention that the kernel message regarding a non-compliant cable is in error - the cable in use is an ATA66/100 cable, and verifiably works in other systems.
> 
> I've pinned that issue down to an interaction between the Fujitsu and the Quantum controllers.
> 
> The main problem here is that while previous FreeBSD versions did the correct thing and ran both drives at UDMA-33, some change in the newer code is getting it wrong.
> 
> Any ideas?
The same here, I've removed all non-ATA100 devices from my ATA100 cable
and it fixed the problem:

atapci0: <Intel ICH2 ATA100 controller> port 0xf000-0xf00f at device 31.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
ad0: 14655MB <Maxtor 51536H2> [29777/16/63] at ata0-master UDMA100
ata1-master: DMA limited to UDMA33, non-ATA66 compliant cable
ad2: 9541MB <FUJITSU MPD3108AT> [19386/16/63] at ata1-master UDMA33
acd0: CDROM <CD-540E> at ata1-slave using PIO4

-- 
NEVE-RIPE

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