Chapter 4: AMI BIOS
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North Bridge Conguration
The following North Bridge Conguration submenu items will display:
Memory Multiplier Conguration
Performance Memory Proles
Use this feature to set Performance Memory Proles which may cause impact
on memory behavior due to different sizes of memory used in the system. Select
Automatic to allow the BIOS to automatically set Performance Memory Proles.
Select Manual to manually congure Performance Proles. The options are
Automatic, Manual, XMP Prole 1 and XMP Prole 2.
XMP Prole 1
XMP Prole 2
If Manual is selected, the following options will be displayed:
Memory Timing Conguration
Memory Clock Multiplier
This option selects the Memory Clock Multiplier. The options are
1.33 and 1.00.
Memory Multiplier
This option selects the Memory Multiplier value. The options are
8, 10, 12, 14, 16, 18, 20, 22, 24, 26 and 28.
tCL
This option congures the Cas Latency Range. Enter a number
between 4-18. The default is 9.
tRP
This option selects the Ras Precharge Range. Enter a number
between 1-38. The default is 11.
tRCD
This option congures the Row to Col Delay Range. Enter a
number between 1-38. The default is 11.
tRAS
This option selects the Ras Active Time. Enter a number between
1-586. The default is 28.
