MSI 661FM Series User Manual page 54

MS-6540G Micro ATX Mainboard
driver (Windows ME, XP or a third-party IDE bus master driver). If your
hard drive and your system software both support Ultra DMA/33, Ultra
DMA/66, Ultra DMA/100 and Ultra DMA/133, select Auto to enable BIOS
support. Settings: Auto, Disabled.
IDE DMA transfer access
Setting to Enabled will open DMA bus master and execute DMA action in
DOS, which will make the data transferring faster. Settings: Disabled,
Enabled.
SiS OnChip PCI Device
Press <Enter> and the following sub-menu appears:
SiS USB Controller
Select Enabled if your system contains a Universal Serial Bus (USB)
controller and you have USB peripherals. Settings: Enabled, Disabled.
USB 2.0 Supports
This item is used to enable/disable the USB 2.0 Support. Settings: Enabled,
Disabled.
USB Keyboard/Mouse Support
Set to Enabled if you need to use a USB keyboard/mouse in the operating
system that does not support or does not have any USB driver installed,
such as DOS and SCO Unix.
SiS AC97 Audio
Auto allows the mainboard to detect whether an audio device is used. If
an audio device is detected, the onboard AC97 (Audio Codec'97) controller
will be enabled; if not, it is disabled. Disable the controller if you want to
use other controller cards to connect an audio device. Settings: Auto,
Disabled.
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