IBM ThinkPad T21

3010 ThinkPad Dock PCI cover
Before replacing the PCI cover:
There are two types of ThinkPad Dock, as follows:
v ThinkPad Dock: FRU no. 08N1546 (PCI cover: FRU no.
05K6246)
v ThinkPad Dock with extension plate: FRU no. 08N1537
(PCI cover: FRU no. 08N7317)
Confirm the FRU no. of the ThinkPad Dock first and
choose the proper PCI cover FRU for the ThinkPad Dock
you are servicing.
Removing and replacing a FRU
ThinkPad T20, T21, T22 and T23 series 133