User's Manual

ThinkPadX220Ultrabasebottomview
1Bypressingtheejectrequestbutton,youcantelltheoperatingsystemtogetreadyforundocking.
2Thedockingindicatorisredwhenyourcomputerisdocked.Itblinkswhentheejectrequestbutton
ispressed.
3TheejectleverdetachesyourcomputerfromtheThinkPadX220UltraBase.
4Theholesareforthesystemspeakers.
AttachingaThinkPadX220Ultrabase
Attention:DisconnecttheACpowerfromyourcomputerbeforeyouattachtheThinkPadX220UltraBase.
TheACadapterconnectorwillbedamagedifitremainsconnectedtothecomputerduringtheattachment
YoucanhotattachorwarmattachthecomputertotheThinkPadX220UltraBase.Hotattachisattachingthe
computertotheThinkPadX220UltraBasewhileinoperatingmode;warmattachisattachingthecomputer
totheThinkPadX220UltraBasewhileinsleep(standby)mode.
Indoingahot-orwarm-attach,observethefollowing:
Forhot-attaching:ThedockingindicatoroftheThinkPadX220UltraBaseshouldturnonafterafew
seconds.
Forwarm-attaching:Whenthecomputerreturnsfromsleep(standby)mode,thedockingindicator
oftheThinkPadX220UltraBaseshouldturnon.
ToattachyourcomputertoaThinkPadX220Ultrabase,dothefollowing:
Chapter7.Enhancingyourcomputer153