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Advanced chipset features, North bridge configuration – Foxconn ELA User Manual

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Advanced Chipset Features

► North Bridge Configuraion/ South Bridge Configuration

Press to go to its submenu.

North Bridge Configuration

► Memory Remap Feature

This item is used to enable/disable memory remapping around memory hole.
PCI doesn't actually care much which addresses are used, but by convention the PC platform
puts them at the top of the 32-bit address space. For many years it wasn't possible or practical
to put that much RAM into a PC. But now it is, so it's up to the memory controller and host
bridge to figure out what to do. Many systems cause that high RAM to simply be ignored,
resulting in the loss of effective RAM. More complex systems will take the RAM that would
occupy that 3.5-4GB address space and re-map it into the 4.0-4.5 address space. The RAM
doesn't care because it's just an array of storage cells, it's up to the memory controller to as-

CMOS Setup Utility - Copyright (C) 1985-2005, American Megatrends, Inc.

Advanced Chipset Features

Advanced Chipset Settings

Help Item

WARNING: Setting wrong values in below sections

Configure North Bridge

may cause system to malfunction.

features.

► North Bridge Configuration

[Press Enter]

► South Bridge Configuration

[Press Enter]

↑↓←→:Move Enter:Select +/-/:Value F10:Save ESC:Exit F1:General Help

F9:Optimized Defaults

[Press Enter]

CMOS Setup Utility - Copyright (C) 1985-2005, American Megatrends, Inc.

North Bridge Configuration

North Bridge Chipset Configuration

Help Item

Memory Remap Feature

[Enabled]

Enabled: Allow

PCI MMIO Allocation: 4GB To 3328MB

remapping of

overlapped PCI memory

DRAM Frequency

[Auto]

above the total

DRAM Timing Selectable

[Enabled]

physical memory.

PEG Port

[Auto]

Disabled: Do not allow

remapping of memory.

↑↓←→:Move Enter:Select +/-/:Value F10:Save ESC:Exit F1:General Help

F9:Optimized Defaults

[Enabled]