Lenovo T420 - Manual (Page 172)

Common service tools
Table 27. Parts list—Common service tools
Tool P/N
Screwdriver kit 95F3598
1/4" drive spinner handle 1650840
1/4" Sq. to 1/4" hex torx adapter 93F2838
TR7-TR-10 tamper resistant torx bits 00P6967
Removal tool antenna RF connector 08K7159
USB 2.0 CD-RW/DVD-ROM combo drive II 40Y8687
USB cable 40Y8704
USB floppy diskette drive for maintenance diskette 05K9283
USB floppy diskette drive tool kit 27L3452
Test card for integrated Smart Card 42W7820
LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later
Note: Download the file from the following Web site:
http://www.lenovo.com/support —
166 ThinkPad T420 and T420i Hardware Maintenance Manual