User Guide

ThinkPadUltrabaseSeries3bottomview
1Bypressingtheejectrequestbutton,youcantelltheoperatingsystemtogetreadyforundocking.
2Thedockingindicatorisredwhenyourcomputerisdocked.Itblinkswhentheejectrequestbutton
ispressed.
3TheejectleverdetachesyourcomputerfromtheThinkPadUltrabaseSeries3.
4Theholesareforthesystemspeakers.
AttachingaThinkPadUltrabaseSeries3
Attention:DisconnecttheACpowerfromyourcomputerbeforeyouattachtheThinkPadUltrabaseSeries3.
TheACadapterconnectorwillbedamagedifitremainsconnectedtothecomputerduringtheattachment
YoucanhotattachorwarmattachthecomputertotheThinkPadUltrabaseSeries3.Hotattachisattaching
thecomputertotheThinkPadUltrabaseSeries3whileinoperatingmode;warmattachisattachingthe
computertotheThinkPadUltrabaseSeries3whileinsleep(standby)mode.
Indoingahot-orwarm-attach,observethefollowing:
•Forhot-attaching:ThedockingindicatoroftheThinkPadUltrabaseSeries3shouldturnonafterafew
seconds.
•Forwarm-attaching:Whenthecomputerreturnsfromsleep(standby)mode,thedockingindicatorof
theThinkPadUltrabaseSeries3shouldturnon.
ToattachyourcomputertoaThinkPadUltrabaseSeries3,dothefollowing:
1.MakesurethatthesystemlockkeyoftheThinkPadUltrabaseSeries3isintheunlocked(vertical)
position.
Chapter7.Enhancingyourcomputer151