Specifications

Chapter 2: 7401-4xxx Product Overview 2-9
TheLANhardwaresupportswakeuppacketcapabilityasdefinedin
theDeviceClassPowerManagementSpecification,NetworkDevice
Class(availablefromMicrosoftʹswebsite).
WhentheplatformisintheSoftOFFstate(refertotheAdvancedPower
Managementsectionthatfollows),receiptofaWakeupPacketonthe
LANcanreturnthesystemtotheONstate,ifthisfeatureisenabledby
software.
DuetolimitationsoftheLANcontrollerandtheOS,allfeatures
describedintheNetworkDeviceClassspecificationmaynotbe
available.
100Base‐Tiswiredidenticallyto10Base‐T,exceptthatthetwisted
pair
cablemustbeCategory5andthehubsmustpermit100or10/100MB/s
operation.Although10Base‐TwilloperateonCategory3twistedpair,
orNCRʺ747ʺcable,anupgradetoCategory5isrequiredfor100Base‐
T.
Acustomerdesiringtousetheterminalinanexisting
10Base‐T
environmentcandosoandsimplyrunat10MB.Inordertoupgradeto
100MB/s,Category5cableand100or10/100hubsmustbeinstalled.
NCRstronglyrecommendstheuseofCategory5forallnewcabling,
evenifthecustomerinitiallyintendstorunonly10Base
‐T.
LEDIndicatorsforLinkIntegrity(verifiescableandhubconnectionare
good)andLANspeedisprovidedontheProcessorBoardneartherow
ofconnectorsatthebottomofthee‐box.TheLEDisON(yellow)when
thespeedisrunningat100MB/s.
LinkIntegrityis
providedtothePCchipsettopermitboot‐upsoftware
toverifythepresenceoftheLANconnection.Softwaremustallow2
secondsafterpower‐upinorderfortheLinkIntegritysignaltobecome
valid.