|TableofContent5
4‐5‐2asswordCheck..............................................................................43
4‐5‐3BootSectorVirusProtection.......................................................43
4‐1ChipsetSetup.......................................................................................44
4‐1‐1NorthbridgeVIACX700Configuration.........................................44
4‐1‐2DRAMClock/TimingConfiguration..............................................45
4‐1‐3AGP&P2PBridgeConfiguration..................................................45
4‐1‐4SouthbridgeVIACX700Configuration.........................................46
4‐1‐5HighDefinitionAudio...................................................................46
4‐1‐6PCIDelayedTransaction...............................................................47
4‐1‐7OnBoardLAN1/2Controller.........................................................47
4‐1‐8LANBootROMController............................................................47
Chapter5SoftwareInstallation............................................................................47
5‐1VIAHyperionProDriver........................................................................47
5‐2VGADrivers..........................................................................................48
5‐3AudioDrivers........................................................................................49
5‐4LANUtility&Driver..............................................................................49
5‐5WatchdogTimer..................................................................................49
5‐6ProgrammingRS‐485...........................................................................53
5‐6‐1InitializeCOMport.......................................................................54
5‐6‐1Sendoutonecharacter(Transmit)..............................................54
5‐6‐2Sendoutoneblockdata(Transmit–thedatamorethantwo
characters)....................................................................................................55
5‐6‐3Receivedata.................................................................................55
5‐6‐4BasicLanguageExample..............................................................55
Chapter6TechnicalReference.............................................................................56
6‐1Real‐TimeClockandNon‐VolatileRAM...............................................56
6‐2CMOSRAMMap..................................................................................58
6‐3I/OPortAddressMap...........................................................................59
6‐4InterruptRequestLines(IRQ)...............................................................60
6‐5DMAChannelMap...............................................................................60
6‐6SerialPorts...........................................................................................61
6‐7ReceiverBufferRegister(RBR).............................................................62
6‐8TransmitterHoldingRegister(THR)......................................................62
6‐9InterruptEnableRegister(IER).............................................................62
6‐10InterruptIdentificationRegister(IIR)...................................................62
6‐11LineControlRegister(LCR)...................................................................63
6‐12MODEMControlRegister(MCR)..........................................................63