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MSI FUZZY CX700D User Manual

Page 49

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3-13

BIOS Setup

OnChip IDE Channel 1

The integrated peripheral controller contains an IDE interface with support

for one IDE channel. Choose [Enabled] to activate the IDE channel 1.

IDE Prefetch Mode

The onboard IDE drive interfaces support IDE prefetching, for faster drive

accesses. When you install a primary and/or secondary add-in IDE interface,

set this option to [Disabled] if the interface does not support prefetching.

Secondary Master/Slave PIO

The IDE PIO (Programmed Input/Output) fields let you set a PIO mode for the

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.

Secondary Master/Slave UDMA

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.

IDE HDD Block Mode

Block mode is also called block transfer, multiple commands, or multiple

sector 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 read/writes per sector the drive can support.

VIA OnChip PCI Device

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