User Guide

OnChip IDE Function

Item Help

Internal PCI/IDE Both

Primary Master PIO Auto

Primary Slave PIO Auto

Secondary Master PIO Auto

Secondary Slave PIO Auto

Primary Master UDMA Auto

Primary Slave UDMA Auto

Secondary Master UDMA Auto

Secondary Slave UDMA Auto

IDE Burst Mode Enabled

IDE HDD Block Mode Enabled

IDE Prefetch Mode Enabled

Delay For HDD (Secs) 0

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Internal PCI/IDE

The integrated peripheral controller contains an IDE interface with support for two IDE

channels. Select Both to activate each channel separately. The settings are: Both, IDE0, IDE1.

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

Primary/Secondary Master/Slave UDMA

Ultra DMA/33 implementation is possible only if your IDE hard drive supports it and the

operating environment includes a DMA driver (Windows 95 OSR2 or a third-party IDE bus

master driver). If your hard drive and your system software both support Ultra DMA/33 and

Ultra DMA/66, select Auto to enable BIOS support. The settings are: Auto, Disabled.

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. The

settings are: Enabled, Disabled.

3-7-2 OnChip Device Function

OnChip Device Function