Specifications

Chapter 1: 7401-2xxx/3xxx Product Overview 1-13
TheLCDbacklightingisalsosoftwarecontrolled.In additiontoOFF
andONmodes,adimmedmodeissupportedinthehardwaretoallow
increasedtubelife.Ifappropriatesoftwaredriversareloaded,full
brightnessisrestoredwhentouched,motiondetection(MotionSensor
section),oranapplicationrequest(i.e.,
toplaypromotionalmaterialon
apresetschedule).
Ethernet 10/100Base-T LAN Communications
The7401terminalhasanIntel82559LANControllerthatsupports
10/100Base‐TEthernet.Ethernet100Base‐TisalsoknownasʺFast
Ethernet.ʺTheBootROMfordisklessbootfunctionalityisincludedin
the1MBsystemROM.Thehardwareiscompatible withtheTCP/IP,
DHCP,andTFTPprotocolsrequiredfor
remotebootoftheplatform.
Appropriatesoftwaremustbeusedtoenableeachprotocolusedover
theEthernetlink.
Theterminalmaybeconnectedtoeithera10MB/sor100MB/s
Ethernetconnection.Thehardwareautomaticallyselectsthecorrect
speed(ifenabledbysoftwaretodoso).
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.