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To: Jason Lenthe <lenthe@comcast.net>
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Cc: freebsd-questions@freebsd.org
Subject: Re: SATA300
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Jason Lenthe wrote:
> My machine, a home-brew running 7.0-RELEASE-p2, has 3 SATA hard drives 
> all of which were advertised as SATA300 drives, but:
>
> vader# dmesg | grep ATA
> ata0: <ATA channel 0> on atapci0
> ata1: <ATA channel 1> on atapci0
> atapci1: <Intel ICH7 SATA300 controller> port 
> 0x20c8-0x20cf,0x20ec-0x20ef,0x20c0-0x20c7,0x20e8-0x20eb,0x20a0-0x20af 
> irq 19 at device 31.2 on pci0
> ata2: <ATA channel 0> on atapci1
> ata3: <ATA channel 1> on atapci1
> ad4: 305245MB <Hitachi HDT725032VLA360 V54OA7EA> at ata2-master SATA150
> ad5: 476940MB <MAXTOR STM3500630AS 3.AAE> at ata2-slave SATA150
> ad6: 305245MB <Hitachi HDT725032VLA360 V54OA7EA> at ata3-master SATA150
>
> Does this mean I'm only getting half the throughput I could be getting?
>
> Thanks,
> Jason
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You can test speed of your harddisk with diskinfo.