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4-22 Chapter 4: BIOS setup
NorthBridge Configuration
The NorthBridge Configuration menu allows you to change the Northbridge
related settings.
Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
v02.58 (C)Copyright 1985-2004, American Megatrends, Inc.
BIOS SETUP UTILITY
Advanced
ENABLE: Allow
remapping of
overlapped PCI memory
above the total
physical memory.
DISABLE: Do not allow
remapping of memory.
North Bridge Chipset Configuration
Memory Remap Feature [Enabled]
DRAM Frequency [Auto]
Configure DRAM Timing by SPD [Enabled]
Boots Graphics Adapter Priority[PEG/PCI]
PEG Port Configuration
PEG Port [Auto]
Memory Remap Feature [Enabled]
Allows you to remap the overlap PCI memory over the total physical
memory. Configuration options: [Disabled] [Enabled]
DRAM Frequency [Auto]
Allows you to set the DDR operating frequency.
Configuration options: [Auto] [533 MHz] [667 MHz]
Configure DRAM Timing by SPD [Enabled]
When this item is enabled, the DRAM timing parameters are set according
to the DRAM SPD (Serial Presence Detect). When disabled, you can
manually set the DRAM timing parameters through the DRAM sub-items.
The following sub-items appear when this item is disabled.
Configuration options: [Disabled] [Enabled]
DRAM CAS# Latency [5]
Controls the latency between the SDRAM read command and the time
the data actually becomes available.
Configuration options: [5] [4] [3]
DRAM RAS# to CAS# Delay [6 DRAM Clocks]
Controls the latency between the DDR SDRAM active command and
the read/write command. Configuration options: [2 DRAM Clocks]
[3 DRAM Clocks] [4 DRAM Clocks] [5 DRAM Clocks] [6 DRAM Clocks]
Disable this item if you are using RedHat Linux Advanced Server 3.0
UP5/UP6 operating system.