diff -ruN linux-2.6.23_orig/drivers/pci/quirks.c linux-2.6.23/drivers/pci/quirks.c
--- linux-2.6.23_orig/drivers/pci/quirks.c	2007-10-10 04:31:38.000000000 +0800
+++ linux-2.6.23/drivers/pci/quirks.c	2007-10-18 16:51:30.000000000 +0800
@@ -1662,8 +1662,18 @@
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS400_200, quirk_disable_all_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS480, quirk_disable_all_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RD580, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RD790, quirk_disable_all_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RX790, quirk_disable_all_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS690, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS690_ALT, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS740, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS740_ALT, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS780, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS780_ALT, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RD890S, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RD890, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RD870S, quirk_disable_all_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RX880, quirk_disable_all_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3351, quirk_disable_all_msi);
 
 /* Disable MSI on chipsets that are known to not support it */
diff -ruN linux-2.6.23_orig/include/linux/pci_ids.h linux-2.6.23/include/linux/pci_ids.h
--- linux-2.6.23_orig/include/linux/pci_ids.h	2007-10-10 04:31:38.000000000 +0800
+++ linux-2.6.23/include/linux/pci_ids.h	2007-10-18 16:41:57.000000000 +0800
@@ -361,8 +361,18 @@
 #define PCI_DEVICE_ID_ATI_RS400_200     0x5a33
 #define PCI_DEVICE_ID_ATI_RS480         0x5950
 #define PCI_DEVICE_ID_ATI_RD580		0x5952
+#define PCI_DEVICE_ID_ATI_RD790		0x5956
 #define PCI_DEVICE_ID_ATI_RX790		0x5957
 #define PCI_DEVICE_ID_ATI_RS690		0x7910
+#define PCI_DEVICE_ID_ATI_RS690_ALT	0x7911
+#define PCI_DEVICE_ID_ATI_RS740		0x7960
+#define PCI_DEVICE_ID_ATI_RS740_ALT	0x7961
+#define PCI_DEVICE_ID_ATI_RS780		0x9600
+#define PCI_DEVICE_ID_ATI_RS780_ALT	0x9601
+#define PCI_DEVICE_ID_ATI_RD890S	0x5a10
+#define PCI_DEVICE_ID_ATI_RD890		0x5a11
+#define PCI_DEVICE_ID_ATI_RD870S	0x5a12
+#define PCI_DEVICE_ID_ATI_RX880		0x5a13
 /* ATI IXP Chipset */
 #define PCI_DEVICE_ID_ATI_IXP200_IDE	0x4349
 #define PCI_DEVICE_ID_ATI_IXP200_SMBUS	0x4353