IBM ThinkPad T20 - Bottom View

Bottom view
1 Built-in stereo speakers
2 Battery pack
3 Battery pack latches
4 Docking connector
5 Mini PCI card slot
6 DIMM
7 PC card slots
8 PC card eject button
9 Infrared port
10 Stereo headphone jack
11 Stereo line-in jack
12 Microphone jack
13 Hard-disk drive
14 LCD latches
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Locations
142 ThinkPad T20, T21, T22, T23 (MT 2647/2648)