IBM Bottom View, Rear View

24. Fn key
25. Built-in microphone
Bottom View
1. Battery-pack latch
2. Tilt feet
3. Memory slot door
Rear View
3
4
5678910 11 12 13 14
15
2
1
1. Power jack
2. Universal serial bus (USB) connector
3. External-input-device (PS/2) connector
4. Serial connector
5. Parallel connector
6. Expansion connector
7. External monitor connector
8. Security keyhole
9. Power switch
10. Line-out/headphone jack
11. Line-in jack
12. Microphone-in jack
ThinkPad i Series 1400 73