Date: Sat, 21 Jul 2007 10:12:19 -0500 From: Tim Daneliuk <tundra@tundraware.com> To: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: SATA 300 Drive Being Run At 150 Message-ID: <46A22253.8080100@tundraware.com>
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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...
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Tim Daneliuk tundra@tundraware.com
PGP Key: http://www.tundraware.com/PGP/
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