3PCIExpressMiniCardslotforwirelessWAN
YourcomputermightincludeaPCIExpressMiniCardforwirelessWANinthePCIExpressMiniCard
slotwhichenableswirelessWANcommunications.
4Memory-upgradeslot
Youcanincreasetheamountofmemoryinyourcomputerbyinstallingamemorymoduleinthememory
bay.Memorymodulesareavailableasoptions.
5Harddiskdrive
Yourcomputermayhavealarge-capacity,customer-upgradableharddiskdrivethatcanmeetavarietyof
storagedemands.Tokeepthedrivesafe,ActiveProtectionSystem™isinstalledonyourcomputer.For
details,referto“ActiveProtectionSystem”onpage21
.
Note:ThehiddenservicepartitionisthereasonwhythereislessfreespacethanexpectedonyourHDD.
6PCIExpressMiniCardslotforwirelessLAN/WiMAX
YourcomputermightincludeaPCIExpressMiniCardforwirelessLAN/WiMAXinthePCIExpressMiniCard
slotwhichenableswirelessLAN/WiMAXcommunications.
Rearview
Figure6.ThinkPadEdgeE420andE520rearview
1Ethernetconnector
2Fanlouvers(rear)
1Ethernetconnector
ConnectyourcomputertoaLANwiththeEthernetconnector.
10UserGuide
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