Advanced Chipset Features; Dram Timing Settings - Nvidia nForce 650i User Manual

3-6

Advanced Chipset Features

The Advanced Chipset Features Setup option is used to change the values of the chipset
registers. These registers control most of the system options in the computer.
Spread spectrum control
Memory Timing Settings
> LDT Frequency
> System BIOS Cacheable
> Video RAM Cacheable
↑↓→← Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
F5:Previous Values
Spread spectrum control
This item allows you to set the CPU Host / SATA / PCI clock and Spread Spectrum.
Memory Timing Settings
Please refer to section 3-6-1
Video RAM Cacheable
Select Enabled allows caching of the video BIOS, resulting in better system performance.
However, if any program writes to this memory area, a system error may result. The settings
are: Enabled and Disabled.
3-6-1 Memory Timing Settings
Parameters
tCL(CAS Latency)
tRCD(RAS to CAS Delay)
tRP(RAS Precharge Time) Auto
tRAS(RAS Active time)
DRAM Commsand Rate
** Advanced Memory Setting **
tRCD
tRC
tWR
tWTR
tREF
↑↓→← Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help
F5:Previous Values
Phoenix – AwardBIOS CMOS Setup Utility
Advanced Chipset Features
Press enter
Press Enter
800M
Disabled
Enabled
F6:Optimized Defaults
Phoenix – AwardBIOS CMOS Setup Utility
Memory Timing Settings
Setting
Auto
Auto
Auto(16)
Auto(2T)
Auto (3)
Auto(21)
Auto(4)
Auto (9)
Auto 7.8us
F6:Optimized Defaults
Menu Level >
F7:Standard Defaults
Current
5
5
5
Menu Level >>
16
2T
F7:Standard Defaults
36
Item Help
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