DDR3 1866mhz: 9-11-9-28 vs. 9-11-11-28 timings

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CooLWoLF

CooLWoLF

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May 15, 2009
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My Geil Veloce DDR3w 1866mhz memory is supposed to be stock 9-11-9-28 timings, but is being detected as 9-11-11-28 on auto in my bios currently. Is there any real-world benefit to manually setting the timings to 9-11-9-28 in terms of performance? Is it worth it?
 
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CooLWoLF

CooLWoLF

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Well I went and set the timings anyway to the stock 9-11-9-28 setting in the bios just to try it out. After playing some Starcraft 2 for like an hour, I got a BSOD. Any guess why it would do this at the rams stock setting? Of note, the memory voltage is set to auto in the bios. Should I manually set that to the 1.5v that this memory is supposed to run at?
 
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barto

barto

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Most likely lack of stability. What happens is your motherboard will clock memory to a stable timing and clock (Mhz). This is usually a higher timing and lower clock rate. For example, my memory is clocked to 5-5-5 when the memory I have is 4-4-4. I actually mixed two timings at one time and both sets were clocked to 5-5-5 because it was the most stable timings for my motherboard.

The voltage is raised when overclocking to a higher frequency and lower timings. It is possible that higher voltage is needed to stabilize the lower timing. Be weary. Raising voltage can damage components. You should read about overclocking prior to attempting it.

Here are some guides for memory overclocking.
http://www.tomshardware.com/forum/254402-29-memory-overclocking-guide-links
 
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