3Mediacardreader
YoucaninstallanSDCard,anSDXCCard,aSDHCCard,andanMMCCard(MultiMediaCard),inthe
Mediacardreaderofyourcomputer.
Fordetails,refertotheinstructionsin“Usingthemediacardreader”onpage57.
4USBconnectors(right)
TheUniversalSerialBus(USB)connectorsareusedforconnectingUSBinterface-compatibledevices,such
asaprinterordigitalcamera.
Note:YourcomputeriscompatiblewithUSB1.1andUSB2.0.
5Wirelessradioswitch
Youcanusethisswitchtodisablethewirelessradioofallthewirelessdevicesonyourcomputer.
Left-sideview
Figure3.ThinkPadL420andL520left-sideview
1Fanlouvers(left)
2Monitorconnector
3Ethernetconnector
4eSATA/USBcomboconnector(left)
5DisplayPortconnector
654mm-wideExpressCardslot
7Comboaudiojack
1Fanlouvers(left)
Theinternalfanandlouversenableairtocirculateinthecomputerandcoolthecentralprocessor.
Note:Toavoidimpedingairow,donotplaceanyobstacleinfrontofthefan.
2Monitorconnector
Youcanattachanexternalmonitororaprojectortoyourcomputertodisplaycomputerinformation.
Fordetails,refertotheinstructionsin“Attachinganexternalmonitor”onpage49.
Chapter1.ProductOverview5