Index: chipset_enable.c
===================================================================
--- chipset_enable.c	(revision 1213)
+++ chipset_enable.c	(working copy)
@@ -778,6 +778,11 @@
 {
 	uint8_t old, new;
 
+	pci_write_byte(dev, 0x92, 0x00);
+	if (pci_read_byte(dev, 0x92) != 0x00) {
+		msg_pinfo("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0x92, 0x00, name);
+	}
+
 	old = pci_read_byte(dev, 0x88);
 	new = old | 0xc0;
 	if (new != old) {