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3.5" Mainboard Manual
Primary Master/Slave PIO
The IDE PIO (Programmed Input / Output) fields let you set a PIO
mode (0-4) for each of the IDE devices that the onboard IDE interface
supports. Modes 0 to 4 will increase performance progressively. In
Auto mode, the system automatically determines the best mode for
each device.
The Choices: Auto (Default) / Mode0 / Mode1 / Mode2 / Mode3 /
Mode4
Primary Master/Slave UDMA
Ultra DMA function can be implemented if it is supported by the IDE
hard drives in your system. As well, your operating environment
requires a DMA driver (Windows 95 or OSR2may need a third party
IDE bus master driver). If your hard drive and your system software
both support Ultra DMA, select Auto to enable BIOS support.
The Choices: Auto (Default) / Disabled
IDE HDD Block Mode
Block mode is also called block transfer, multiple commands, or
multiple sectors read / write. If your IDE hard drive supports block
mode (most new drives do), select Enabled for automatic detection of
the optimal number of block mode (most new drives do), select
Enabled for automatic detection of the optimal number of block read /
write per sector where the drive can support.
The Choices: Enabled (Default) / Disabled
VIA OnChip PCI Device
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