User Guide - Lenovo

• If your computer and the ThinkPad Port Replicator Series 3, the ThinkPad Mini Dock Series 3, or the
ThinkPad Mini Dock Plus Series 3 are connected to separate ac power adapters, your computer goes into
battery mode first, and then shifts into ac mode.
• If in either of the two preceding situations the battery of your computer is detached, or has no battery
charge, your computer shuts down.
Connecting an external display to the ThinkPad Mini Dock Plus Series 3
Group 1 (top figure) and Group 2 (lower figure) are independent of each other. Each has a DisplayPort and a
digital visual interface. If you connect a display to a DisplayPort and a DVI that are in the same group, the
DisplayPort is inactive.
Detaching a ThinkPad Port Replicator Series 3, ThinkPad Mini Dock
Series 3, and ThinkPad Mini Dock Plus Series 3
To detach your computer from the ThinkPad Mini Dock Series 3, and the ThinkPad Mini Dock Plus Series 3,
do the following:
1. Make sure that:
• The devices connected to USB connectors are not in use.
• The connection to an Ethernet port has been ended.
• The devices connected to an eSATA port are not in use (ThinkPad Mini Dock Plus Series 3).
2. Make sure that the system lock key of the ThinkPad Mini Dock Series 3, or the ThinkPad Mini Dock
Plus Series 3 is in place and in the unlocked (horizontal) position.
168 User Guide