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