ICP DAS USA SAGP-845EV - Manual (Page 42)

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On-Chip Primary/Secondary PCI IDE
The integrated peripheral controller contains an IDE interface with
support for two IDE channels. Select Enabled to activate each channel
separately.
The choice: Enabled, Disabled.
IDE Primary/Secondary Master/Slave PIO
The four IDE PIO (Programmed Input/Output) fields let users set a PIO
mode (0-4) for each of the four IDE devices supported by the onboard
IDE interface. Modes 0 through 4 provide successively increased
performance. In Auto mode, the system automatically determines the
best mode for each device.
The choice: Auto, Mode 0, Mode 1, Mode 2, Mode 3, Mode 4.
IDE Primary/Secondary Master/Slave UDMA
Ultra DMA-33/66 implementation is possible only if the 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-33/66, select
Auto to enable BIOS support.
The Choice: Auto, Disabled.
USB Controller
Select Enabled if the system contains a Universal Serial Bus (USB)
controller.
The Choice: Enabled, Disabled.
USB Keyboard Support
Select Enabled if the system contains a Universal Serial Bus (USB)
controller.
The Choice: Enabled, Disabled.
Onboard Audio Device
This item allows users to decide to enable/disable the CMIDER
CMI8738LX chipset family to support 6CH DAC for AC-3 5.1 channel
purpose.
The choice: Enabled, Disabled.