Lenovo THINKCENTRE 4215 Hardware Maintenance Manual page 6

Replacing the front audio and USB assembly
Replacing the internal speaker . . . . . . . .
Completing the FRU replacement . . . . . . .
Chapter 10. FRU lists . . . . . . . .
Overall: MT 4215, 4219, 4220, 4221, and 4222 . .
Mechanical FRUs . . . . . . . . . . . . .
Keyboard and Mouse . . . . . . . . . . . .
Adapters and miscellaneous FRUs . . . . . . .
Power Cords . . . . . . . . . . . . . . .
Recovery discs . . . . . . . . . . . . . .
Windows Vista Business 32 Recovery CD . .
Windows 7 Professional 64 Recovery CD . .
Windows 7 Professional 64 Office 2010 Starter
Recovery CD . . . . . . . . . . . . .
Windows XP Professional 64 Recovery CD . .
Windows XP Professional 64 Mono Recovery
CD . . . . . . . . . . . . . . . . .
Windows XP Professional Recovery CD . . .
Chapter 11. Additional service
information . . . . . . . . . . . . .
iv
Hardware Maintenance Manual
. . 100 Security features . . . . . . . . . . . . . .
101 Hardware-controlled passwords . . . . . .
103 Operating system password . . . . . . .
Vital product data. . . . . . . . . . . .
105
BIOS levels . . . . . . . . . . . . . . . .
105
Updating (flashing) the BIOS . . . . . . . . .
116
Updating (flashing) the BIOS from a disc. . .
120
Updating (flashing) BIOS from your operating
141
system . . . . . . . . . . . . . . . .
144 Recovering from a POST/BIOS update failure . .
150 Power management
150 Automatic configuration and power interface
(ACPI) BIOS . . . . . . . . . . . . . .
151
Automatic Power-On features . . . . . . .
156
Appendix A. Notices . . . . . . . . .
161
Television output notice . . . . . . . . . . .
161 Trademarks . . . . . . . . . . . . . . . .
162
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