Asus A7N266-VM User Manual page 73

PCI DMA Resource Exclusion
DMA x Reserved for Legacy Drive [No/ICU]
These fields indicate whether or not the DMA channel displayed for each
field is being used by a legacy (non-PnP) ISA card. The default setting
indicates either that the DMA channel displayed is not used or an ICU is
being used to determine if an ISA device is using the channel instead.
Configuration options: [No/ICU] [Yes]
PCI UMB Resource Exclusion
TSM MEM Block BASE [No/ICU]
This field allows yout to set the base address and block size of an onboard
legacy ISA device that uses any memory segment within the C800 and DFFF
address range. With such a device, select a base address from the options.
If an ICU is already in use, then leave the TSM MEM Block BASE to its
default setting of [No/ICU]. Configuration options: [No/ICU] [C800] [CC00]
[D000] [D400] [D800] [DC00]
ASUS A7N266-VM motherboard user guide 57