BIOS
4-3 Advanced Chipset Features
Choose the “ADVANCED CHIPSET FEATURES” option in the CMOS SETUP UTILITY menu to display following menu.
Figure 4: Chipset Features Setup
DRAM Timing Selectable
For setting DRAM Timing, By SPD is follow Intel PC DDR SDRAM Serial Presence Detect Specification.
Options: Manual, By SPD.
CAS Latency Time
Enables you to select the CAS latency time. The value is set at the factory depending on the DRAM installed. Do not change the values in this field unless you change specifications of the installed DRAM and DRAM clock from DRAM Timing Selectable. The default is by DRAM SPD.
Options: 2, 2.5, 3.
Active to Precharge Delay
This item specifies the number of clock cycles needed after a bank active command before a precharge can occur (sets the minimum RAS pulse width.). The default is by
DRAM SPD.
Options: 5, 6, 7, 8.
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