diff -Nur linux-2.6.0-test11/include/linux/pci_ids.h linux/include/linux/pci_ids.h
--- linux-2.6.0-test11/include/linux/pci_ids.h	2003-11-26	21:43:39.000000000	+0100
+++ linux/include/linux/pci_ids.h	2003-12-03	20:13:17.000000000	+0100
@@ -971,6 +971,7 @@
 #define PCI_DEVICE_ID_AL_M1531		0x1531
 #define PCI_DEVICE_ID_AL_M1533		0x1533
 #define PCI_DEVICE_ID_AL_M1541		0x1541
+#define PCI_DEVICE_ID_AL_M1563		0x1563
 #define PCI_DEVICE_ID_AL_M1621		0x1621
 #define PCI_DEVICE_ID_AL_M1631		0x1631
 #define PCI_DEVICE_ID_AL_M1632		0x1632
diff -Nur linux-2.6.0-test11/drivers/ide/pci/alim15x3.c	linux/drivers/ide/pci/alim15x3.c
--- linux-2.6.0-test11/drivers/ide/pci/alim15x3.c	2003-11-26	21:43:35.000000000 +0100
+++ linux/drivers/ide/pci/alim15x3.c	2003-12-03	20:16:48.000000000	+0100
@@ -584,6 +584,13 @@
 
        isa_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
 
+       /*
+        * If ALI 1533 southbridge was not found,
+        * we try to find the ALI 1563 southbridge.
+        */
+       if (!isa_dev)
+               isa_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1563, NULL);
+
 #if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_PROC_FS)
        if (!ali_proc) {
                ali_proc = 1;