sata hotswap on Intel ICH7

[Steve Franks]

> It also requires that you be using SATA in "Enhanced" mode, or under
> AHCI.  Using SATA in "Emulation" or "Compatible" mode (e.g. a 2-channel
> SATA controller will assign disks as ata0-master and ata0-slave) will
> not work how you expect.  AHCI is preferred, if available.

Ok, I followed the rest, but is the part above a function of the bios,
the hardware, a sysctl, or what?  Sounds like bios, I'll have a
look...

Thanks,
Steve