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7-1 onboard ide function – AMD N2PAP-LITE User Manual

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3-7-1 Onboard IDE Function

CMOS Setup Utility – Copyright(C) 1984-2003 Award Software

OnChip IDE Function

Item Help

OnChip IDE Channel0 Enabled

OnChip IDE Channel1 Enabled

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 32-bit Transfer Mode Enabled

IDE HDD Block Mode Enabled

IDE Prefetch Mode Enabled

Delay For HDD (Secs) 0


Menu Level >>

↑↓→← Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help

F5:Previous Values F6:Optimized Defaults F7:Standard Defaults


OnChip IDE Channal0/Channel1
The integrated peripheral controller contains an IDE interface with support for two IDE
channels. Select Enabled to activate each channel separately. The settings are: Enabled and
Disabled.
Primary/Secondary Master/Slave PIO
The four IDE PIO (Programmed Input/Output) fields let you set PIO mode (0-4) for each of
the four IDE devices. Modes 0 through 4 provide consecutively 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 UDMA
Ultra DMA/33 implementation is possible only if your IDE hard drive has the support and
the operating environment includes a DMA driver (Windows 95 OSR2 or a third-party IDE
bus master driver). If both your hard drive and system software 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.




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