diff -Nur linux-2.6.21.1.orig/drivers/ata/pata_atiixp.c linux-2.6.21.1/drivers/ata/pata_atiixp.c
--- linux-2.6.21.1.orig/drivers/ata/pata_atiixp.c	2007-05-16 13:27:49.764761000 +0800
+++ linux-2.6.21.1/drivers/ata/pata_atiixp.c	2007-05-16 13:37:47.014761000 +0800
@@ -283,6 +283,7 @@
 	{ PCI_VDEVICE(ATI, PCI_DEVICE_ID_ATI_IXP300_IDE), },
 	{ PCI_VDEVICE(ATI, PCI_DEVICE_ID_ATI_IXP400_IDE), },
 	{ PCI_VDEVICE(ATI, PCI_DEVICE_ID_ATI_IXP600_IDE), },
+	{ PCI_VDEVICE(ATI, PCI_DEVICE_ID_ATI_IXP700_IDE), },
 
 	{ },
 };