29
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
CMOS Setup Utility – Copyright(C) 1984-2003 Award Software
OnChip Device Function
Item Help
RealTek LAN Function Enabled
RealTek LAN BootROM Disabled
AC97 Sound Device Auto
USB Device Function Disabled
Game Port Address 200
Midi Port Address Disabled
Midi Port IRQ 10
USB 2.0 Support Enabled
USB Keyboard Leagacy Support Disabled
USB Mouse Leagacy Support Disabled
Menu Level >>
↑↓→←
Move Enter:Select Item +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
F5:Previous Values F6:Optimized Defaults F7:Standard Defaults
AC97 Sound Device
This item allows you to decide to enable/disable the chipset family to support AC97 Audio.
The settings are: Enabled, Disabled, Auto.
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 Keyboard/Mouse Leagacy Support
Select
Enabled
if your system contains a Universal Serial Bus (USB) controller and you have
a USB keyboard. The settings are: Enabled, Disabled.
3-7-3 OnChip SIO Function
