•If you attach the ThinkPad Port Replicator Series 3, the ThinkPad Mini Dock Series 3, the ThinkPad Mini Dock Plus Series 3, or the ThinkPad Mini Dock Plus Series 3 (170 W) to your computer, but do not connect the ac power adapter of that attachment to the power jack, your computer goes into battery mode.
•If your computer and the ThinkPad Port Replicator Series 3, the ThinkPad Mini Dock Series 3, the ThinkPad Mini Dock Plus Series 3, or the ThinkPad Mini Dock Plus Series 3 (170 W) 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 and the ThinkPad Mini Dock Plus Series 3 (170 W)
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.
