MSI 845GEM-L User Guide - Page 56

Integrated Peripherals, On-Chip Primary/Secondary PCI IDE, IDE Primary/Secondary Master/Slave PIO

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Integrated Peripherals BIOS Setup On-Chip Primary/Secondary PCI IDE The integrated peripheral controller contains an IDE interface with support for two IDE channels. Choose Enabled to activate each channel separately. 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. IDE Primary/Secondary Master/Slave UDMA Ultra DMA/33/66/100 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, Ultra DMA/66 or even Ultra DMA/100, select Auto to enable BIOS support. Settings: Auto, Disabled. 3-15

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3-15
BIOS Setup
Integrated Peripherals
On-Chip Primary/Secondary PCI IDE
The integrated peripheral controller contains an IDE interface with support
for two IDE channels.
Choose
Enabled
to activate each channel separately.
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 set-
tings are:
Auto
,
Mode 0
,
Mode 1
,
Mode 2
,
Mode 3
,
Mode 4
.
IDE Primary/Secondary Master/Slave UDMA
Ultra DMA/33/66/100 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, Ultra DMA/66 or even Ultra
DMA/100, select
Auto
to enable BIOS support.
Settings:
Auto, Disabled
.