Asus Terminator P4 533 - Manual (Page 72)

72 Chapter 4: BIOS information
PCI 2.1 Support [Enabled]
This field allows you to enable or disable the PCI 2.1 features. Keep the
default setting [Enabled] if you installed PCI 2.1 compliant cards. Set to
[Disabled] if you installed any card that is not PCI 2.1 compliant.
Configuration options: [Disabled] [Enabled]
Onboard PCI IDE [Both]
This field allows you to enable either the primary IDE channel or
secondary IDE channel, or both. You can also set both channels to
[Disabled]. Configuration options: [Both] [Primary] [Secondary] [Disabled]
IDE Bus Master Support [Enabled]
This field allows you to enable or disable the IDE bus master feature.
Configuration options: [Disabled] [Enabled]
4.4.2 I/O Device Configuration