Specifications

1-16 Chapter 1: 7401-2xxx/3xxx Product Overview
ThewiredEthernetconnectionisnotcertifiedforuseinconfigurations
whereawirelessadapterisinstalled.
Universal Serial Bus
TwoUSBType‐Aportsareprovidedontheterminal.USBHost
ControllersupportisprovidedinhardwareontheProcessorBoard.
Note: ThirdpartyUSBperipheralsrequiresupportfromtheoperating
system,whichiscurrentlylimitedtoWindows2000andWindows
Xpe.TheterminalmustusetheI/ONetworksdrivers
tosupportthe
NCRUSBprinterandscannerproducts.Thesedrivesareavailable
underWindowsNT,Windows2000,andWindowsXPe.
Serial Ports
The7401Release2.xprocessorboardsprovidetwoRS‐232ports(9‐pin
D‐shellconnectors,Ports1and2)directlyontheboardandsupport
twoadditionalRS‐232ports.Ports3and4requireanoptionalharness
connectiontotheprocessorboard.Ports1and3canbesupplied
with
+12VDConPin9whenproperlysetupintheBIOS.Thetotalpower
drawnbyPorts1and/or3mustbenogreaterthan1ampat12V+DC.
RefertothefollowingtableforRS‐232pin‐outinformation.
TheBIOSpermitsflexibilityin
mappingresources.However,afully‐
loadedsystem(2PCMCIAcardsthatrequireIRQs,fourserialportsin
use,USBinuse,parallelportinuse,andMSR)maynothaveenough
availableIRQstosupportallserialports.UseaUSBserialport
expandertoovercomethisPCarchitecturelimitation.