IEI Integration IMBA-XQ354 v1.10 - Manual (Page 164)

IMBA-XQ354 Motherboard
Page 144
6.7.1 Northbridge Chipset Configuration
Use the Northbridge Chipset Configuration menu (
9
BIOS Menu 27) to configure the
Northbridge chipset settings.
BIOS Menu 27:Northbridge Chipset Configuration
 Memory Remap Feature [Enabled]
Use the Memory Remap Feature option to allow the overlapped PCI memory above the
total physical memory to be remapped. Enabling this option allows full use of 4 GB or
more RAM in Windows VISTA, which reports only up to 3.12 GB when this feature is
disabled.

Enabled D EFAULT Overlapped PCI memory can be remapped

Disabled Overlapped PCI memory cannot be remapped