Asus A7V-E User Manual page 64

PCI/PNP DMA Resource Exclusion
DMA x Reserved for Legacy Device [No/ICU]
These fields indicate whether or not the displayed DMA channel for each
field is being used by an onboard legacy (non-PnP) device. The default
setting indicates either that the displayed DMA channel is not used or an
ICU is being used to determine if an ISA device is using that channel. Con-
figuration options: [No/ICU] [Yes]
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4. BIOS SETUP
ASUS A7V-E User's Manual