IBM Thinkpad R30 R31 Series Bottom Base Cover 26P9729.IBM Part Numbers: 26P9729Compatible Part Numbers: 60.47R01.012Compatible Models: IBM ThinkPad R30 2656 (14.1 TFT) ThinkPad R30 2656 (13.3 TFT) ThinkPad R30 2656 (12.1 TFT) Series