I have a GA-X58A-UD3R, an I7 960 CPU and a F3-12800cl8T-6GBRM memory kit. When I load XMP profile 1, the bios shows the 8-8-8-24 CR2 1.6v and 1.1175v QPI/VTT voltage. With this settings the system is unstable (BSOD and random reboots). I guess that the QPI/VTT voltage is a bit low. May you suggest me which QPI/VTT voltage i should try to improve stability? Thanks in advance.
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GA-X58A-UD3R, F3-12800cl8T-6GBRM and QPI/VTT voltage
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I read the SPD information with CPU-Z.
I know that 666 mhz means 1333. I don?t know what 518 and 592 mhz means (533 is 1066, but I don?t see it in the SPD).
So I?ll give a try at 1333 until I have more time to play with QPI/VTT at 1600 mhz. Is this OK?
And what about the QPI/VTT at 1333? Should I leave it at 1.175v (auto)?
Thanks in advance.
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DDR3-1333 should be OK with QPI/VTT AUTO.
Intel suggests 1.35V max, but many people have DDR3-2000+ QPI/VTT 1.60V+, so 1.20V is no problem.
If you have ten i7 960 and test it on the same computer, they will not all be the same QPI/VTT Voltage. Some may be close, but point is manufacturing can slightly differ. This is also the same for memory. Some kits will overclock better than others (same exact model memory).
Thank you
GSKILL TECH
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