4.1.9.4 IOMMU Mode Submenu
Feature
IOMMU Mode
Options
Description
AGP Present
Disabled
Set GART size in systems without AGP, or disable
32MB
altogether. Some OSes require valid GART for
64MB
proper operation. If AGP is present, select
128MB
appropriate option to ensure proper AGP operation.
256MB
512MB
1GB
48