NCR RealPOS 70 - South Bridge Features

Chapter 1: Product Overview 1-11
Release1.1includesthe852GMEboardversion,whichaddssupport
for:
• CPUwith533MHzFSB
• DDR‐SDRAMupto333MHz,upto2GBmaximum,ECCornon‐
ECC
• Seconddigitalvideo(DVO)port
South Bridge Features
The7402MotherboardusestheIntelICH4SouthBridge,which
providesthefollowingfunctions:
• IntegratedIntelAudio(requiresexternalcodec)
• Integrated10/100Ethernetcontroller(requiresexternal82562PHY
transceiverchip)
• IDEcontrollerwithPrimary&Secondarychannels,each
supportingmaster&slavedrives;ATA‐100supportwithautomatic

detectionof80‐conductorcable
• USBHostcontroller–FourUSBhostcontrollers,sixphysicalUSB
ports,USB2.0supported
• PCIBusHostController–upto6busmasterssupported
• LPCBusBridgeController–interfacetoSuperIO&Trusted
PlatformModule
• HubInterfaceto
NorthBridgeat266Mb/sec
• SMBUS(I2C)Controller–InterfaceHardwaremonitor
• FirmwareHub(BIOSROM)Interface
• ACPIPowermanagementsupport
• BasePCfunctionality:DMAcontroller,Interruptcontroller,Real‐
Time‐Clock,andeventtimer