Chapter 4: AMI BIOS
4-25
North Bridge Conguration
The following North Bridge Conguration submenu items will display:
Memory Multiplier Conguration
Performance Memory Proles
Use this feature to set Performance Memory Proles 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 Proles.
Select Manual to manually congure Performance Proles. The options are
Automatic, Manual, XMP Prole 1 and XMP Prole 2.
XMP Prole 1
XMP Prole 2
If Manual is selected, the following options will be displayed:
Memory Timing Conguration
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 congures 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 congures 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.