4. BIOS SETUP PCI/PNP ISA DMA Resource Exclusion DMA x Used By ISA [No/ICU] These fields indicate whether or not the displayed DMA channel for each field is being used by a legacy (non-PnP) ISA card. The default setting indi- cates either that the displayed DMA channel is not used or an ICU is being used to determine if an ISA card is using that channel. If you install a legacy ISA card that requires a unique DMA channel, and you are not using an ICU, you must set the field for that channel to [Yes]. Configuration options: [No/ICU] [Yes] PCI Configuration 4. BIOS SETUP PCI/PNP ISA UMB Resource Exclusion ASUS CUV4X-M User’s Manual 68