Asus 200/266 MHZ FSB AGP 4X User Manual page 64

4. BIOS SETUP
PCI/PNP IRQ Resource Exclusion
IRQ XX Reserved for Legacy Device [No/ICU]
These fields indicate whether or not the displayed IRQ for each field is
being used by an onboard legacy (non-PnP) device. The default value indi-
cates either that the displayed IRQ is not used or that ISA Configuration
Utility (ICU) is being used to determine if a legacy device is using that IRQ.
Configuration options: [No/ICU] [Yes]
64 ASUS A7V133-M User's Manual