For access, remove these FRUs in order:

1. Battery.
2. Optical drive
3. Hard disk drive
4. DIMM slot cover
5. DIMM
6. PCI Express Mini Card for wireless LAN/WiMAX
7. PCI Express Mini Card for wireless WAN
8. Thermal door
9. Fan assembly
10. CPU thermal module
11. CPU
12. Palm rest or palm rest with fingerprint reader.
13. Bluetooth daughter card
14. Intel Turbo Memory minicard
15. Backup battery
16. Keyboard.
17. Top case sub assembly
18. LCD unit
19. LCD front bezel.
20. Inverter card.
21. Integrated camera
22. Wireless LAN antenna assembly. wireless WAN antenna assembly, and camera cable

ThinkPad SL400

When installing: As you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.

When you install the antenna assembly, place them as shown in this figure.
(a) Wireless LAN antenna, MAIN (black cable with gray label)
(b) Wireless WAN antenna, MAIN (black cable with red label)
(c) Camera cable (some models)
(d) Wireless WAN antenna, AUX (black cable with blue label)
(e) Wireless LAN antenna, AUX (black cable)
(f) MIMO antenna (white cable)

ThinkPad SL500