Bottom view
1 Battery pack
2 Battery pack latches
3 Mini PCI card slot
4 Docking connector
5 DIMM slot
6 Stereo headphone jack
7 Stereo line-in jack
8 Diskette drive
9 Microphone jack
10 Infrared port
11 Hard-disk drive
12 LCD latches
Locations
114 ThinkPad A20m/p, A21m/p, A22m/p