Asus P4T533-C - Manual (Page 72)

68 Chapter 4: BIOS Setup
Onboard LAN [Enabled]
This motherboard supports onboard LAN. Select the [Enabled] to activate
this feature. Configuration options: [Disabled] [Enabled]
Onboard LAN Boot Rom [Disabled]
This motherboard supports boot up from onboard LAN Boot Rom. Select
the [Enabled] to activate this feature. Configuration options: [Disabled]
[Enabled]
IRQ XX Reserved [No/ICU]
These fields indicate whether or not the displayed IRQ for each field is
being used by a legacy (non-PnP) ISA card. The setting [No/ICU] for an
IRQ field indicates that you are using the ISA Configuration Utility (ICU),
and that this particular IRQ is NOT required by a legacy ISA card. Set the
IRQ field to [Yes] if you install a legacy ISA card that requires a unique IRQ
and you are NOT using ICU. Configuration options: [No/ICU] [Yes]
4.4.3.1 PCI IRQ Resource Exclusion