--- orig/drivers/net/forcedeth.c	2007-03-11 20:38:20.000000000 -0500
+++ new/drivers/net/forcedeth.c	2007-03-11 20:38:24.000000000 -0500
@@ -3536,7 +3536,10 @@
 	pci_push(base);
 
 	if (!using_multi_irqs(dev)) {
-		nv_nic_irq(0, dev);
+		if (np->desc_ver == DESC_VER_3)
+			nv_nic_irq_optimized(0, dev);
+		else
+			nv_nic_irq(0, dev);
 		if (np->msi_flags & NV_MSI_X_ENABLED)
 			enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
 		else