User manual

AIMB-641 User Manual 32
The default setting “Auto” will allow auto detection to ensure optimal
performance.
4.6.2 On-Chip Primary/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.
4.6.3 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.
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 the user plans to use a USB keyboard. The choice:
Enabled, Disable.
4.6.6 AC97 Audio
Select Disable if you do not want to use AC-97 audio. Choice is Auto or
Disable.
Figure 4.5: Integrated peripherals