IBM ThinkPad 22P7028 - Manual (Page 14)

2 Eject button
Press this button to eject a DVD or CD.
3 Manual eject hole
Use this emergency release to eject a DVD or CD when the Eject button does
not work. For more information on manually ejecting a DVD or CD, see
“Manually ejecting a disc” on page 11.
6 ThinkPad Multi-Burner Ultrabay 2000 Drive: User’s Guide