BIOS Utility4-27Operation ModeThis item allows you to set the operation mode of the parallel port.The table below lists the different operation modes.Setting FunctionStandard Parallel Port (SPP) Allows normal speed one-wayoperationStandard and Bidirectional Allows normal speed operation in atwo-way modeEnhanced Parallel Port (EPP) Allows bidirectional parallel portoperation at maximum speedExtended Capabilities Port(ECP)Allows parallel port to operate inbidirectional mode and at a speedhigher than the maximum datatransfer rateECP DMA ChannelThis item becomes active only if you select ExtendedCapabilities Port (ECP) as the operation mode. It allows you toassign DMA channel 1 or DMA channel 3 for the ECP parallel portfunction (as required in Windows 95).Onboard Floppy Disk ControllerThis parameter lets you enable or disable the onboard floppy diskcontroller.Onboard IDE Primary ChannelThis parameter lets you enable or disable the primary IDE channel.When enabled, it allows you access the devices connected to theprimary channel. When disabled, it deactivates the connecteddevices.