User manual

41 Chapter 4
4.6.2 IDE Master/Slave PIO/UDMA Mode,
IDE Primary (Secondary) Master/Slave PIO/UDMA Mode (Auto) Each
channel (Primary and Secondary) has both a master and a slave, making
four IDE devices possible. Because each IDE device may have a different
Mode timing (0, 1, 2, 3, 4), it is necessary for these to be independent.
The default setting "Auto" will allow auto-detection to ensure optimal
performance.
4.6.3 On-Chip Secondary PCI IDE
If you enable IDE HDD Block Mode, the enhanced IDE driver will be
enabled. Leave IDE HDD Block Mode on the default setting.
4.6.4 USB Controller
Select Enabled if your system contains a Universal Serial Bus (USB) con-
troller and you have USB peripherals. The choices: Enabled, Disabled.
4.6.5 USB Keyboard/Mouse Support
Select Enabled if user plan to use an USB keyboard. The choice: Enabled,
Disable.
4.6.6 AC97 Audio
Select Disable if you do not want to use AC-97 audio. Option is Auto,
Disable.
4.6.7 Init Display First
This item allows you to choose which one to activate first, PCI Slot or on-
chip VGA. The choices: PCI Slot, Onboard/AGP.
4.6.8 Onboard LAN Control
Option is Enable and Disable. Select Disable if user does not want to use
onboard LAN controller1
4.6.9 IDE HDD Block Mode
You can enable the Primary IDE channel and/or the Secondary IDE chan-
nel. Any channel not enabled is disabled. This field is for systems with
only SCSI drives.