SATA devices not added/probed from ICH7 sata300 controller, FreeBSD7.0, 7.1beta, 8.0 Daily

Andrey V. Elsukov bu7cher at
Wed Oct 15 00:49:18 PDT 2008

Jeremy Chadwick wrote:
> This is why I ask: I see a Western Digital hard disk which shows up as
> ad0 on that system.  It's claiming ATA100 mode, but there are features
> of the ICH7 (often called "Compatibility Mode" in BIOSes) which allow a
> SATA device to appear as a PATA device to work with older operating
> systems such as MS-DOS.

ad0 is a PATA disk and it attached to PATA channel.

>> The full output from a verbose boot can be found here:
>> ; The relevant (I think) section starts at

Did you try change SATA/IDE-related options in BIOS?

WBR, Andrey V. Elsukov

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