MSI 651M-V User Guide - Page 42

MS-7005 Micro ATX Mainboard Integrated Peripherals SiS OnChip IDE Device Press and the following sub-menu appears: Internal PCI/IDE The field specifies the internal primary and secondary PCI/IDE controllers. Settings: [Disabled], [Primary], [Secondary], [Both]. IDE Primary/Secondary Master/Slave PIO The four IDE PIO (Programmed Input/Output) fields let you set a PIO mode (0-4) for each of the four IDE devices that the onboard IDE interface supports. Modes 0 through 4 provide successively increased performance. In [Auto] mode, the system automatically determines the best mode for each device. The settings are: [Auto], [Mode 0], [Mode 1], [Mode 2], [Mode 3], [Mode 4]. Primary/Secondary Master/Slave Ultra DMA Ultra DMA 33/66/100/133 implementation is possible only if your IDE hard drive supports it and the operating environment includes a DMA driver (Windows ME, XP or a third-party IDE bus master driver). If your hard drive and your system software both support Ultra DMA/33, Ultra DMA/66, Ultra DMA/100 and Ultra DMA/133, select Auto to enable BIOS support. Settings: [Auto], [Disabled]. IDE DMA transfer access Setting to [Enabled] will open DMA bus master and execute DMA action in DOS, which will make the data transferring faster. Settings: [Disabled], [Enabled]. SiS OnChip PCI Device Press and the following sub-menu appears: 3-12