Date: Sun, 22 Oct 2006 17:46:44 +1300 From: "Juha Saarinen" <juhasaarinen@gmail.com> To: "David Kelly" <dkelly@hiwaay.net> Cc: FreeBSD Questions <questions@freebsd.org> Subject: Re: non-ATA66 cable? Message-ID: <b34be8420610212146h7c24a849m6d888c2d2f4ac95e@mail.gmail.com> In-Reply-To: <726CFBB1-2BB1-42A5-8A8F-96B880D316A3@HiWAAY.net> References: <726CFBB1-2BB1-42A5-8A8F-96B880D316A3@HiWAAY.net>
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On 10/22/06, David Kelly <dkelly@hiwaay.net> wrote: > Dell PowerEdge 400SC, 6.2-PRERELEASE (altho this is an old issue) > > dmesg says: > > acd0: DMA limited to UDMA33, controller found non-ATA66 cable > acd0: DVDR <LITE-ON DVDRW SOHW-1633S/BS0K> at ata1-master UDMA33 > cd0: 33.000MB/s transfers > > The controller is properly probed as, "atapci0: <Intel ICH5 UDMA100 > controller>" > > This DVD isn't writing discs as fast as other brands on other > machines and OS's (such as MacOS X). Lite-On has a newer firmware > that I have not tried. But first was checking for any sort of errors > or irregularities and came across this mismatch. > > Lite-On says "Supported transfer mode : PIO mode 4, DMA mode 2 and > Ultra DMA mode 2", so is there something I should do to my FreeBSD to > make this device happier? Try a different cable? -- Juha
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