HP 491254-001 - Upper CPU cover (chassis top) - Includes TouchPad board with cable, and TouchPad button board with cable Retail
HP 490342-001 - Upper CPU cover (chassis top) - Includes the TouchPad board with cable, and TouchPad button board with cable Retail
HP 581105-001 - Upper CPU cover (chassis top) - Includes the TouchPad button board and cable, and TouchPad board and cable Retail