IBM ThinkPad T21 Hardware Maintenance Manual page 140

Removing and replacing a FRU
Note: The following illustration shows how to remove the
PCI cover of ThinkPad Dock (FRU no. 08N1546).
Do the same to remove the PCI cover of ThinkPad
Dock with extension plate (FRU no. 08N1537).
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(Bottom view)
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ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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