User`s manual

25
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 Onboard Device Function
Phoenix – AwardBIOS CMOS Setup Utility
Onboard Device Function
Item Help
USB Controller Enabled
USB2.0 Function Enabled
USB Keyboard Support Disabled
Azalia/Ac97’ Audio Select Auto
Menu Level >>
↑↓→←
Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
F5:Previous Values F6:Optimized Defaults F7:Standard Defaults
.
USB Host Controller
Select Enabled if your system contains a Universal Serial Bus (USB) controller and you have
a USB peripherals. The settings are: Enabled, Disabled.
USB 2.0 Function
This setting allows you to enable/disable the onboard USB controller. Selecting [Enabled]
enables the system to support USB 2.0 spec. setting options:[Disabled],[Enabled].
USB Keyboard Support
Select Enabled if your system contains a Universal Serial Bus (USB) controller and you have
a USB keyboard. The settings are: Enabled, Disabled.
Azalia/AC97’ Audio Select
The selection for you to choose the embedded Audio function or 3
rd
party audio interface
installed. The settings are: Enabled and Disabled.
3-7-3 Onboard Super IO Function
Phoenix – AwardBIOS CMOS Setup Utility
Onboard Super IO Function
Item Help
Onboard Serial Port 1 3F8
Onboard Serial Port 1 USE IRQ IRQ3
Onboard Serial Port 2 2F8
Onboard Serial Port 2 USE IRQ IRQ4
Menu Level >>
↑↓→←
Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
F5:Previous Values F6:Optimized Defaults F7:Standard Defaults
Onboard Serial Port 1 / 2
Select an address and corresponding interrupt for the serial ports. The settings are: 3F8/IRQ4,
2E8/IRQ3, 3E8/IRQ4, 2F8/IRQ3, Disabled, and Auto.