diff -urNp linux-850/arch/i386/kernel/dmi_scan.c linux-860/arch/i386/kernel/dmi_scan.c
--- linux-850/arch/i386/kernel/dmi_scan.c	
+++ linux-860/arch/i386/kernel/dmi_scan.c	
@@ -11,6 +11,8 @@
 #include <asm/system.h>
 #include <linux/bootmem.h>
 
+#include "pci-i386.h"
+
 unsigned long dmi_broken;
 int is_sony_vaio_laptop;
 
@@ -447,6 +449,8 @@ static __init int swab_apm_power_in_minu
  */
  
 extern int skip_ioapic_setup;
+extern int broken_440gx_bios;
+extern unsigned int pci_probe;
 static __init int broken_pirq(struct dmi_blacklist *d)
 {
 	printk(KERN_ERR " *** Possibly defective BIOS detected (irqtable)\n");
@@ -457,6 +461,9 @@ static __init int broken_pirq(struct dmi
 #ifdef CONFIG_X86_IO_APIC
 	skip_ioapic_setup = 0;
 #endif
+	broken_440gx_bios = 1;
+	pci_probe |= PCI_BIOS_IRQ_SCAN;
+	
 	return 0;
 }
 
diff -urNp linux-850/arch/i386/kernel/pci-irq.c linux-860/arch/i386/kernel/pci-irq.c
--- linux-850/arch/i386/kernel/pci-irq.c	
+++ linux-860/arch/i386/kernel/pci-irq.c	
@@ -23,6 +23,7 @@
 #define PIRQ_VERSION 0x0100
 
 int broken_hp_bios_irq9;
+int broken_440gx_bios;
 
 static struct irq_routing_table *pirq_table;
 
@@ -681,7 +682,10 @@ static int pcibios_lookup_irq(struct pci
 void __init pcibios_irq_init(void)
 {
 	DBG("PCI: IRQ init\n");
-	pirq_table = pirq_find_routing_table();
+	if (broken_440gx_bios)
+ 		pirq_table = NULL;	
+ 	else
+		pirq_table = pirq_find_routing_table();
 #ifdef CONFIG_PCI_BIOS
 	if (!pirq_table && (pci_probe & PCI_BIOS_IRQ_SCAN))
 		pirq_table = pcibios_get_irq_routing_table();