On Tue, Nov 06, 2007 at 08:37:27AM -0600, Sean C. Farley wrote:
quoted text
> 1. Dell Optiplex 745:
> ATA channel 2:
>     Master:  ad4 <WDC WD800JD-75MSA3/10.01E04> Serial ATA II
>     Slave:       no device present

Intel Q965 + ICH8, which does SATA300.  atacontrol output proves the
disk is capable of SATA300 (re: "Serial ATA II"), but for some reason
it's not.

This one is indeed odd and needs investigation.

quoted text
> 2. Asus P5K-E/WiFi:
> ad10: 152627MB <Seagate ST3160827AS 3.42> at ata5-master SATA150
> ad12: 152627MB <Seagate ST3160827AS 3.42> at ata6-master SATA150
> ATA channel 5:
>     Master: ad10 <ST3160827AS/3.42> Serial ATA v1.0
>     Slave:       no device present
> ATA channel 6:
>     Master: ad12 <ST3160827AS/3.42> Serial ATA v1.0
>     Slave:       no device present

Intel P35 + ICH9.  The chipset does SATA300 but your disks do not --
they are Barracuda 7200.7 disks, which support SATA150 maximum.
However, the motherboard also has a JMicron controller on it.

After looking at http://www.farley.org/freebsd/tmp/SATA/dmesg-asus.boot,
it's easy to determine that your SATA150 disks are connected to the ICH9
controller (which is being reported at ICH8 for some reason; maybe a
chipset ID thing).  They are not connected to the JMicron, so the
SATA150 limitation here is caused by the disks.

The SATA ATAPI errors you see are something I can't really help with,
many see these kinds of messages on all sorts of hardware.

-- 
| Jeremy Chadwick                                    jdc at parodius.com |
| Parodius Networking                           http://www.parodius.com/ |
| UNIX Systems Administrator                      Mountain View, CA, USA |
| Making life hard for others since 1977.                  PGP: 4BD6C0CB |

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