Lenovo ThinkPad 770Z TP 770X User's Reference that shipped with the system - Page 96

Using a Docking Station Depending on the hardware configuration or the operating system, warm docking or hot docking might not be supported. Refer to the user's guide shipped with these docking stations or a port replicator for instructions on how to dock your computer to a docking station. You might not be able to read the status indicator or access the UltraBay II easily on the SelectaDock I docking station after you dock it with the SelectaBase 770 port replicator. In the Windows 95, Windows NT, Windows 3.1, or DOS environment, you need to install the PC Card support software after docking your computer to the docking station. If you have already installed the PC Card support software, uninstall it and then reinstall it after you dock your computer to the docking station. Docking with Your Computer Powered Off (Cold Docking) You should dock with both your computer and your docking station powered off if: It is the first time you are docking your computer to the docking station. Or: You have changed the device configuration of your docking station, such as when you have installed or removed a device. Cold docking resets the docking station's device status recorded on your computer. Thereafter, you can dock your computer with the docking station at any time. To dock the computer for the first time, do the following: 1 Install new devices in the docking station. $ 2 Connect the AC Adapter. $ If you use a SelectaDock I or SelectaDock II docking station, $ connect the AC Adapter to both a docking station and a $ SelectaBase 770 port replicator. $ If you use a SelectaDock III docking station, connect the AC $ Adapter to a docking station. 82 IBM ThinkPad 770X User's Reference