frank72 Posted November 21, 2008 Share Posted November 21, 2008 why in the bios i see frequency 800 and not 1066 ? ive the latest bios and vista 32 bit ultimate sorry for my english .. i have setted all in auto tanks a lot Link to comment Share on other sites More sharing options...
Yellowbeard Posted November 21, 2008 Share Posted November 21, 2008 You have to manually set the memory speed in the BIOS. Link to comment Share on other sites More sharing options...
DerekT Posted November 21, 2008 Share Posted November 21, 2008 When you populate all four DRAM slots it is advised to drop the bandwidth. Please research this thread: http://www.houseofhelp.com/v3/showthread.php?t=64360&highlight=Unpredictable+results+QUAD2X4096+Gigabyte+X38-DS5 The issue is the On Motherboard (Intel) memory controller and a population of all four banks at the full speed of a two bank run. This issue is across the board with both Nvidia and Intel chipset based boards, DDR, DDR2 and DDR3. Keep in mind that often issues arise in the longer term. The issues seldom damage the DRAM. They damage the on motherboard memory controller which has a harder time keeping up with the demands of a four DRAM slot population being run as fast as a two DRAM slot population. Those who want to be secure in their system either purchase a single kit of the DRAM capacity that the four singles have or they move to a higher bandwidth DRAM and drop the bandwidth. I also advise it as I have personally seen the issues that can and often do arise with a four DRAM slot population running at the full speed of a single kit speed. I personally advise for a two stick solution as it is far gentler to the motherboard memory controller. Download memtest from--->Hereand extract the ISO image. Burn the ISO image to an CD-ROM disk. Download CPU-z from Here .Enter your BIOS, Load Setup Defaults, Save Setup Defaults and set to these values: AI Overclock Tweaker Configure System Performance Settings Ai Overclock Tuner = Manual CPU Ratio Setting =333 PCI-E Frequency = 100 FSB Strap to Northbridge = 333 DRAM Frequency = Manual DRAM CLK Skew on Channel A1 = Auto DRAM CLK Skew on Channel A2 = Auto DRAM CLK Skew on Channel B1 = Auto DRAM CLK Skew on Channel B2 = Auto DRAM Timing Control = Manual DRAM Frequency = DDR2-800 DRAM Command Rate = 2N DRAM Timing Control = Manual CAS# Latency = 5 RAS# to CAS# Delay = 5 RAS# PRE Time = 5 RAS# ACT Time = 15 Row Refresh Cycle Time (tRFC) = 55 All Else to Auto DRAM Static Read Control = Auto DRAM Read Training = Auto Mem. OC Charger = Auto AI Transaction Booster = Auto CPU Voltage = Auto CPU PLL Voltage = Auto FSB Termination Voltage = Auto DRAM Voltage = 2.1v NB Voltage = 1.40v SB Voltage = Auto PCI-E SATA Voltage = Auto Loadline Calibration = Auto CPU Spread Spectrum = Disabled PCIE Spread Spectrum = Disabled Clock Over-Charging Voltage = Auto Load Line Calibration = Auto CPU GTL Voltage Reference = Auto NB GTL Voltage Reference = Auto Memory Remap - Enabled Legacy USB = Disabled (For Memtest, Enabled After Memtest) Run Memtest for two full passes. When assured of stable DRAM, then enter Windows and Run CPU-z and post screenshots of CPU-z's CPU, Memory and SPD tabs. Link to comment Share on other sites More sharing options...
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