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Grr! How do I overclock RAM on X58?

May 12, 2009
5,167 (1.58/day)
Processor Intel Core i5-3570K
Motherboard Gigabyte GA-Z77N-WIFI
Cooling Corsair A70 (Passive)
Memory Samsung 8GB MV-3V4G3D/US
Storage Samsung PM841 256GB
Display(s) Dell UltraSharp U2412M
Case BitFenix Prodigy (Arctic White)
Power Supply FSP Zen 400 (Fanless)
Software OS X 10.9.1 Mavericks
The DRAM frequency is stuck @ 15XXMHz right now because when I bump it up to 19XX (CAS9) (the next step up) my computer either freezes or reboots during post. It makes no sense since my kit is rated for 2000MHz, unless I have a dud kit.

CPU info:

BCLKxmulti: 191x21
CPU voltage: 1.275v
QPI voltage: 1.3v

PS - Is it possible to run the RAM at speeds independent of the BCLK?

This is my kit btw.