https://support.lenovo.com/us/zh/solutions/gsmh-3dbh25
Parts list - ThinkPad Dock II

Parts
1 	Bottom Cover Assembly             	  84G3613
 a. Bottom Cover Subassembly
 b. Main Chassis Assembly
 c. Bracket AT
 d. PCMCIA Security Bar
 e. Side Panel
 f. Cover 160P-L
2 	Main Card Assembly                    84G3614
 a. Main Card Subassembly
 b. Shield Upper
3 	Riser Card Assembly                   84G3615
 a. Riser Card
 b. Bracket
4 	Audio Card Assembly                   84G3616
 a. Audio Card
 b. Bracket
5 	Power Supply Unit 	                  84G3618
6 	Main Cabinet Group 	                  84G3619
 a. Main Cabinet
 b. Cover 160-Pin
 c. Bracket Speaker-Left/Right
7 	Solenoid Assembly 	                  84G3620
8 	Micro Switch Group 	                  84G3621
9 	Keylock Assembly (w/keys) 	          84G3622
10 	Blank Cover Group 	                  84G3623
 a. Blank Bezel for 1 Inch Height
 b. Blank Bezel for Half Height
 c. Blank Cover for AT Card
11 	LCD Circuit Board Group 	          84G3626
12 	Tray Unit Group                       84G3627
 a. Tray Guide-Left
 b. Tray Guide-Right
 c. Tray Assembly
13 	Speaker Group (w/cables)              84G3628
14 	Cable Group                           84G3629
- Connection Cable 1 (Main-LCD)
- Connection Cable 1 (Aud./Aud./Riser-Interposer)
- Connection Cable 2 (Aud.-Main)
- Connection Cable 3 (Aud.-CD ROM)
- Connection Cable 4 (Aud.-Audio) Connection - Cable 5 (Aud.-Main)
- Connection Cable 6 (Aud.-Main)
15 	Misc. Kit (Screws and Clamps)         84G3630
16 	Speaker Cover Group                   84G3633
a. Speaker Cover Left
b. Speaker Cover Right
17 	SCSI Device Cable                     84G5253
17 	IDE Device Cable                      66G3576
18 	Power Cord.


Options
Tape Drive Kit                            84G1290
Bracket and Bezel                         84G1291
Shelf                                     84G3631
Tray Cover                                84G3632