Date: Thu, 24 Jan 2002 22:50:23 +0300 (MSK) From: Dmitry Morozovsky <marck@rinet.ru> To: scotty@klement.dstorm.net Cc: Dmitry Valdov <dv@dv.ru>, Bill Moran <wmoran@potentialtech.com>, <stable@FreeBSD.ORG>, <sos@FreeBSD.ORG> Subject: Re: ATA driver feature request Message-ID: <20020124224757.O60455-100000@woozle.rinet.ru> In-Reply-To: <20020121235548.D40648-100000@grungy.dstorm.net>
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On Tue, 22 Jan 2002 scotty@klement.dstorm.net wrote: [snip] > > Yes. When I disconnect secondary (non ATA-66/100 compliant) drive from this > > cable, FreeBSD use ATA-100 on primary. > > 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 :) Hmm, can ever ATA controller clock out both master device at 66MHz and slave at 33MHz? I suppose the effect is *not* unexpected. However, the warning message would be slightly reworded like "non-ATA66 compliant cable or second device" Just my $.02 ;-) Sincerely, D.Marck [DM5020, DM268-RIPE, DM3-RIPN] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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