For access, remove these FRUs, in order:

v “1010 Battery pack” on page 64

v “1020 Serial Ultrabay Slim device or Serial Ultrabay Enhanced device” on page 65

v “1030 Hard disk drive (HDD) cover, HDD, and HDD rubber rails or solid state

drive (SSD) and storage converter” on page 67

v “1040 Palm rest or palm rest with fingerprint reader” on page 69

v “1060 Backup battery” on page 73

v “1070 Keyboard” on page 74

v “1080 Modem daughter card (MDC-3.0)” on page 76

v “1090 PCI Express Mini Card for wireless LAN” on page 78

v “1100 PCI Express Mini Card for wireless WAN” on page 82

v “1110 Intel Turbo Memory Minicard or wireless USB adapter” on page 84

v “1120 SIM card slot” on page 86

v “1130 Keyboard bezel” on page 88

v “1150 Fan assembly” on page 92

v “1160 CPU” on page 97

v “1170 LCD assembly” on page 98

v “1180 Base cover, USB sub card with cable, and PC Card/ExpressCard slots (or

ExpressCard/Smart Card slots or ExpressCard/7-in-1 Media Card Reader slots)
bezel assembly” on page 101

v “1190 Structure frame” on page 107

112 ThinkPad T400 and R400Hardware Maintenance Manual