diff -ru linux/arch/i386/kernel/pci-irq.c linux-patched/arch/i386/kernel/pci-irq.c
--- linux/arch/i386/kernel/pci-irq.c	Mon Nov  5 02:31:58 2001
+++ linux-patched/arch/i386/kernel/pci-irq.c	Sun Dec 30 12:36:39 2001
@@ -20,6 +20,7 @@
 #include "pci-i386.h"
 
 #define PIRQ_SIGNATURE	(('$' << 0) + ('P' << 8) + ('I' << 16) + ('R' << 24))
+#define PIRQ_SIGNATURE2	(('_' << 0) + ('P' << 8) + ('I' << 16) + ('R' << 24))
 #define PIRQ_VERSION 0x0100
 
 static struct irq_routing_table *pirq_table;
@@ -56,7 +57,8 @@
 
 	for(addr = (u8 *) __va(0xf0000); addr < (u8 *) __va(0x100000); addr += 16) {
 		rt = (struct irq_routing_table *) addr;
-		if (rt->signature != PIRQ_SIGNATURE ||
+		if ((rt->signature != PIRQ_SIGNATURE && 
+		     rt->signature != PIRQ_SIGNATURE2 ) ||
 		    rt->version != PIRQ_VERSION ||
 		    rt->size % 16 ||
 		    rt->size < sizeof(struct irq_routing_table))
diff -ru linux/drivers/pci/pci.c linux-patched/drivers/pci/pci.c
--- linux/drivers/pci/pci.c	Wed Nov 21 14:53:29 2001
+++ linux-patched/drivers/pci/pci.c	Sun Dec 30 03:53:01 2001
@@ -1929,6 +1929,29 @@
 }
 
 
+/* patched locally -- dancerj 30 dec 2001 -- for kernel sound */
+
+static void __init pci_m5451_init(void)
+{
+	struct pci_dev *dev;
+
+	/* Allocate IRQ is 4 */
+	unsigned char m5451_irq = 4;
+
+	/* for (dev = pci_devices; dev; dev = dev->next) { */
+	pci_for_each_dev(dev) {
+		if (dev->vendor == PCI_VENDOR_ID_AL &&
+			dev->device == PCI_DEVICE_ID_AL_M5451) {
+			dev->irq = m5451_irq;
+			printk("PCI m5451_init: Found ALi AUDIO M5451 \n");
+			printk("PCI m5451_init: Allocate IRQ %0x \n", m5451_irq);
+			pci_write_config_byte(dev, PCI_INTERRUPT_LINE, m5451_irq);
+		}
+	}
+}
+
+
+
 void __devinit  pci_init(void)
 {
 	struct pci_dev *dev;
@@ -1942,6 +1965,9 @@
 #ifdef CONFIG_PM
 	pm_register(PM_PCI_DEV, 0, pci_pm_callback);
 #endif
+
+	/* ali patch -- dancerj --30 dec 2001 */
+	pci_m5451_init();
 }
 
 static int __devinit  pci_setup(char *str)