DSK Posted January 20, 2007 Share Posted January 20, 2007 Hi, I currently have 2 x 512mb DDR333 SMART Modular sticks running in Dual Channel. I wish to replace these with faster 2 x 1gb Corsair sticks running Dual Channel (eg DDR400). CPU is Intel P4 540 3.4Ghz, video card is ATI Radeon 9600XT AGPx8. I have never overclocked, CPU runs at stock 200 x 17 (3.4Ghz). I'm running XP Pro SP2. I have read that when installing fast RAM that has aggressive timings, the system will automatically set the timings to something slower and the user must then set them manually via the BIOS to get the best of the RAM's potential speed. I looked at my mobo manual and it doesn't seem to have BIOS settings to enter timings like 3-3-3-8 1T for example. What it does have, under the 'Frequency/Voltage Control' BIOS page is: * CPU Clock Ratio - eg. 15x * CPU Host Clock Control - enabled or disabled * CPU Host Frequency (Mhz) - can be set from 100-355Mhz. * AGP/PCI/SRC Fixed - eg. 66/33/100 * Memory Frequency For - eg. if FSB is 800Mhz use '2.0' for Mem Freq = Host Clock x 2.0 * Memory Frequency (Mhz) - Normal, +0.1v, +0.2v * AGP/PCI/SRC Frequency (Mhz) - values depend on 'AGP/PCI/SRC Fixed'. * DIMM Overvoltage Control - Normal, +0.1v, +0.2v, +0.3v * AGP OVervoltage Control - Normal, +0.1v, +0.2v, +0.3v * CPU Voltage Control - 0.8375v to 1.7600v * Normal CPU vcore I run standard cooling and don't need the last per cent of RAM speed. But, I would like to replace the current 512mb DDR33 sticks with the best improvement for the dollar. Mobo manual says it support 1Gb per slot (4 slots, max 4Gb) with DDR400, DDR33, DDR266. Can this mobo set timings properly to take advantage of the advertised latency setings of faster RAM (eg. Corsair XMS etc)? If not, should I just go with slower and cheaper Corsair Value RAM? Also, should I go with DDR400/PC3200 or PC3500 or ? Many Thanks for your help, Darren. Link to comment Share on other sites More sharing options...
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