diff --git a/src/northbridge/intel/x4x/acpi/peg.asl b/src/northbridge/intel/x4x/acpi/peg.asl
new file mode 100644
index 0000000..f2314c2
--- /dev/null
+++ b/src/northbridge/intel/x4x/acpi/peg.asl
@@ -0,0 +1,42 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+Device (PEGP)
+{
+	Name (_ADR, 0x00010000)
+
+	// PCI Interrupt Routing.
+	Method (_PRT)
+	{
+		If (PICM) {
+			Return (Package() {
+				Package() { 0x0001ffff, 0, 0, 16 },
+				Package() { 0x0001ffff, 1, 0, 17 },
+				Package() { 0x0001ffff, 2, 0, 18 },
+				Package() { 0x0001ffff, 3, 0, 19 },
+			})
+		} Else {
+			Return (Package() {
+				Package() { 0x0001ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+				Package() { 0x0001ffff, 1, \_SB.PCI0.LPCB.LNKB, 0 },
+				Package() { 0x0001ffff, 2, \_SB.PCI0.LPCB.LNKC, 0 },
+				Package() { 0x0001ffff, 3, \_SB.PCI0.LPCB.LNKD, 0 },
+			})
+		}
+
+	}
+}