Date: Sat, 21 Jul 2007 16:27:15 -0500 From: Tim Daneliuk <tundra@tundraware.com> To: Garrett Cooper <youshi10@u.washington.edu>, FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: SATA 300 Drive Being Run At 150 Message-ID: <46A27A33.40304@tundraware.com> In-Reply-To: <46A2250B.3000609@u.washington.edu> References: <46A22253.8080100@tundraware.com> <46A2250B.3000609@u.washington.edu>
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Garrett Cooper wrote: > Tim Daneliuk wrote: >> I asked this question a while back, but needed to do more digging to make >> sure I had latest sources etc. >> >> I have an Intel motherboard that shows this for a SATA controller: >> >> atapci1: <Intel ICH7 SATA300 controller> port >> 0x20c8-0x20cf,0x20ec-0x20ef,0x20c0-0x20c7,0x20e8-0x20eb,0x20a0-0x20af >> mem 0x90204000-0x902043ff irq 19 at device 31.2 on pci0 >> >> But the hard drive - a SATA 300 device - shows up like this: >> >> ad4: 238475MB <WDC WD2500JS-00NCB1 10.02E02> at ata2-master SATA150 >> ^^^^^^^ >> >> Using dd, I have confirmed that the drive is running nowhere near >> SATA-III speeds, at least on reads: >> >> 968470075 bytes transferred in 7.132891 secs (135775249 bytes/sec) >> >> This is on a 6.2-Stable system that is very lightly loaded... >> > SATA Cable not 300Mbps capable? > -Garrett I hadn't considered that given that the cable came with the mobo and the mobo is SATA-III capable. But ... anything is possible. I'll have to give that a look... Thanks. -- ---------------------------------------------------------------------------- Tim Daneliuk tundra@tundraware.com PGP Key: http://www.tundraware.com/PGP/
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