User`s manual

58
3
BIOS Setup
Manual If you want your system to run at a performance
better than the one “by SPD”, select “Manual”
then select the best option in the “CAS Latency
Time” to “DRAM RAS# Precharge” fields.
3.1.3.2 CAS Latency Time
This field is used to select the local memory clock periods.
3.1.3.3 Active to Precharge Delay
The options are 5, 6 and 7.
3.1.3.4 DRAM RAS# to CAS# Delay
The options are 2 and 3.
3.1.3.5 DRAM RAS# Precharge
This field controls RAS# precharge (in local memory clocks).
3.1.3.6 Turbo Mode
If you want the system to run at a faster speed, set this field to
Enabled. However, compatibility problems may occur with some
DRAMs if the system is running in Turbo mode. If you encounter
this problem, set this field to Disabled.
3.1.3.7 Memory Enhancement
To enhance the memory speed of the system, set this field to
“Enabled”.
3.1.3.8 Memory Frequency For
This field is used to select the memory clock speed of the DIMM.