Add SB700 to the list of supported controllers, and include a caveat

that some SB700 controllers can hang under load when Native IDE
mode is selected in the system BIOS, but work fine in AHCI mode.

share/man/man4/ixpide.4

@@ -1,4 +1,4 @@
-.\"	$NetBSD: ixpide.4,v 1.2 2005/07/04 13:01:54 augustss Exp $
+.\"	$NetBSD: ixpide.4,v 1.3 2008/10/16 19:51:58 abs Exp $
 .\"
 .\" Copyright (c) 2003 Manuel Bouyer.
 .\"
@@ -27,7 +27,7 @@
 .\" INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd July 4, 2005
+.Dd October 16, 2008
 .Dt IXPIDE 4
 .Os
 .Sh NAME
@@ -60,7 +60,12 @@ ATI SB300
 ATI SB400, Parallel ATA
 .It
 ATI SB400, Serial ATA
+.It
+ATI SB700, Serial and Parallel ATA
 .El
+.Sh CAVEATS
+Some SB700 controllers can hang under load when Native IDE mode is
+selected in the system BIOS, but work fine in AHCI mode.
 .Sh SEE ALSO
 .Xr ata 4 ,
 .Xr atapi 4 ,