28The integrated peripheral controller contains an IDE interface with support for two IDEchannels. Select Enabled to activate each channel separately. The settings are: Enabled andDisabled.Primary/Secondary Master/Slave PIOThe four IDE PIO (Programmed Input/Output) fields let you set a PIO mode (0-4) for each ofthe four IDE devices that the onboard IDE interface supports. Modes 0 through 4 providesuccessively increased performance. In Auto mode, the system automatically determines thebest mode for each device. The settings are: Auto, Mode 0, Mode 1, Mode 2, Mode 3, Mode4.Primary/Secondary Master/Slave UDMAUltra DMA/33 implementation is possible only if your IDE hard drive supports it and theoperating environment includes a DMA driver (Windows 95 OSR2 or a third-party IDE busmaster driver). If your hard drive and your system software both support Ultra DMA/33 andUltra DMA/66, select Auto to enable BIOS support. The settings are: Auto, Disabled.IDE HDD Block ModeBlock mode is also called block transfer, multiple commands, or multiple sector read/write. Ifyour IDE hard drive supports block mode (most new drives do), select Enabled for automaticdetection of the optimal number of block read/writes per sector the drive can support. Thesettings are: Enabled, Disabled.3-7-2 Onboard Device FunctionCMOS Setup Utility – Copyright(C) 1984-2002 Award SoftwareOnboard Device FunctionItem HelpLAN Function EnabledUSB Controller EnabledUSB Keyboard Legacy Support Disabled**Onboard AC97 Codec is xxxxxx **AC97 Audio AutoAC97 Modem AutoGame Port Address 201Midi Port Address 330x Midi Port IRQ 10Menu Level >>↑↓→← Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General HelpF5:Previous Values F6:Optimized Defaults F7:Standard DefaultsAC97 AudioThis item allows you to decide to enable/disable the chipset family to support AC97 Audio.The settings are: Enabled, Disabled.Game Port Address/Midi Port AddressThis will determine which Address the Game Port/Midi Port will use.AC97 ModemThis item allows you to decide to enable/disable the 845D chipset family to support AC97Modem. The settings are: Auto, Disabled.← Only for 845DDAL