diff --git a/COMPATIBILITY b/COMPATIBILITY
index 0657a0d..2291bc0 100644
--- a/COMPATIBILITY
+++ b/COMPATIBILITY
@@ -75,6 +75,7 @@ HP Omnibook XT1000 (F3433)
 HP Pavillion ZE4125
 HP Pavillion ZT3000
 IBM ThinkPad T30
+IBM ThinkPad T40p
 IBM ThinkPad T41
 INote 88EPS
 MBO N.B.V.O. 1800+ (aka Mitac MiNote 8375)