Asus P5B-VM DO Computer Hardware User Manual


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2-24 Chapter 2: BIOS setup
2.4.5 Chipset
The Chipset menu allows you to change the advanced chipset settings. Select an
item then press <Enter> to display the sub-menu.
Advanced Chipset Settings
WARNING: Setting wrong values in below sections
may cause the system to malfunction.
NorthBridge Conguration
vPro Technology Conguration
Memory Remap Feature [Enabled]
Allows you to enable or disable the remapping of the overlapped PCI memory
above the total physical memory. Enable this option only when you install 64-bit
operating system. Conguration options: [Disabled] [Enabled]
DRAM Frequency [Auto]
Allows you to set the DDR operating frequency.
Conguration options: [Auto] [533MHz] [667MHz] [800MHz] [1067MHz]
Congure 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 set to [Disabled].
Conguration options: [Enabled] [Disabled]
DRAM CAS# Latency [5]
Controls the latency between the SDRAM read command and the time the
data actually becomes available. Conguration options: [3] [4] [5] [6]
Congure North Bridge
features.
North Bridge Conguration
North Bridge Chipset Conguration
Memory Remap Feature [Enabled]
PCI MMIO Allocation: 4GB To 3584MB
DRAM Frequency [Auto]
Congure DRAM Timing by SPD [Enabled]
Memory Hole [Disabled]
Initiate Graphic Adapter [PEG/PCI]
Internal Graphic Mode Select [Enabled, 8MB]
Video Function Conguration
ENABLED: Allow
remapping of
overlapped PCI memory
above the total
physical memory.
DISABLED: Do not allow
remapping of memory
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