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To: Dmitry Valdov <dv@dv.ru>
Cc: Bill Moran <wmoran@potentialtech.com>, <stable@FreeBSD.ORG>,
	<sos@FreeBSD.ORG>
Subject: Re: ATA driver feature request
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On Sun, 20 Jan 2002, Dmitry Valdov wrote:
>
> On Sun, 20 Jan 2002, Bill Moran wrote:
> > > FreeBSD limits both
> > > drives on the bus because there is 'non-ATA66 compliant cable'.
> >
> > Are you sure you have an 80 conductor cable and that it isn't too long?
>
> Yes. When I disconnect secondary (non ATA-66/100 compliant) drive from this
> cable, FreeBSD use ATA-100 on primary.
>

FWIW, I'm seeing the exact same symptom.   I just added to 80gb Western
Digital (IDE) drives to the system.   I used the 80-wire cables that came
with the drives, and I see the following messages:

atapci0: <VIA 82C686 ATA66 controller> port 0xd000-0xd00f at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
. . .
ad0: 19458MB <ST320420A> [39535/16/63] at ata0-master UDMA66
ad1: 76319MB <WDC WD800BB-40BSA0> [155061/16/63] at ata0-slave UDMA66
ata1-master: DMA limited to UDMA33, non-ATA66 compliant cable
ad2: 76319MB <WDC WD800BB-40BSA0> [155061/16/63] at ata1-master UDMA33
ad3: 2503MB <FUJITSU MPA3026ATU> [5086/16/63] at ata1-slave UDMA33

They are the exact same drives using the exact same cable.  My controller
only supports UDMA66, not 100...   but the reason that the 2nd controller
seems to print out "non-ATA66 compiant cable" appears to simply be that
ad3 is only ATA33 capable.

Just thought I'd pipe up, since the subject came up :)



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