Date: Wed, 3 Aug 2005 02:27:04 +0000 From: Kris Kennaway <kris@FreeBSD.org> To: Alexandre Sunny Kovalenko <Alex.Kovalenko@verizon.net> Cc: current@freebsd.org Subject: Re: "DMA limited to UDMA33" is there any knob? Message-ID: <20050803022704.GB92364@hub.freebsd.org> In-Reply-To: <1123035919.1181.22.camel@RabbitsDen> References: <1123035919.1181.22.camel@RabbitsDen>
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On Tue, Aug 02, 2005 at 10:25:19PM -0400, Alexandre Sunny Kovalenko wrote: > Good people, > > on my system (7.0-CURRENT as of 7/24 18:42 EST) I receive following > message during boot: > > ad0: DMA limited to UDMA33, device found non-ATA66 cable > ad0: 28615MB <IC25N030ATMR04 0 MOAOAD0A> at ata0-master UDMA33 > > Since there is no cable (drive attached directly to the connector > mounted on the piece of PCB), I wonder whether there are any overriding > knobs. ATA controller is VIA8235: > > atapci0: <VIA 8235 UDMA133 controller> port > 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xfc00-0xfc0f at device 17.1 on pci0 > > atapci0@pci0:17:1: class=0x01018a card=0x120514ff chip=0x05711106 > rev=0x06 hdr=0x00 > vendor = 'VIA Technologies Inc' > device = 'VT82xxxx EIDE Controller (All VIA Chipsets)' > class = mass storage > subclass = ATA > > According to the data sheet drive is capable of UDMA100. > > Any suggestions will be greatly appreciated. You can try commenting out the cable check in the driver code. Kris
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