Lenovo Laptop X121E Instrukcja Użytkownika Strona 24

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2SIMcardslot
IfyourcomputerhasawirelessWANfeature,itmightrequireaSIM(SubscriberIdenticationModule)card
toestablishawirelessWAN(WideAreaNetwork)connection.Dependingonthecountryofdelivery,theSIM
cardmaybealreadyinstalledintheSIMcardslot.
3Memoryslot
Youcanincreasetheamountofmemoryinyourcomputerbyinstallingamemorymoduleinthememory
slot.Memorymodulesareavailableasoptions.
4PCIExpressMiniCardslotforwirelessWAN
YourcomputermightincludeaPCIExpressMiniCardforwirelessWANinthePCIExpressMiniCard
slotforwirelessWANcommunications.
5PCIExpressMiniCardslotforwirelessLAN/WiMAX
YourcomputermightincludeaPCIExpressMiniCardforwirelessLAN/WiMAXinthePCIExpressMini
CardslotforwirelessLAN/WiMAXcommunications.
6Harddiskdriveorsolidstatedriveslot
Yourcomputermayhavealarge-capacity,customer-upgradableharddiskdrivethatcanmeetavarietyof
storagedemands.Tokeepthedrivesafe,ActiveProtectionSystemisinstalledonyourcomputer.For
details,refertoActiveProtectionSystem”onpage17
.
Somemodelsareequippedwithasolidstatedrivetoprovideenhancedperformance,energysavings,and
reducedweight.
Note:Thehiddenservicepartitionisthereasonwhythereislessfreespacethanexpectedonyourhard
diskdriveorsolidstatedrive.Thisreductionismorenoticeableonthesolidstatedrivebecauseofits
smallercapacity.
Statusindicators
Yourcomputerhastwosystem-statusindicatorsandapower-statusindicators.Thestatusindicators
showthecurrentstatusofyourcomputer.
8UserGuide
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