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Posts by Sam OCX

According to SN the sticks are actually Samsung-based. Given OC numbers I'd say that sticks are 2Gbit D-rev. You can try setting tRFC to 128, tRRD / tRTP / tWTR to 4 or 5 and tWCL to 6. If it works out then there's not much more that you can do.
Is Samsung really faster despite the looser timings or there's some other factor that slows Hynix's run down?
Yes, for some reason you can't run manual tWRWR_dr and tRDWRs at the same time with this BIOS.
an interesting 2133C9 Trident stick
Answering the original question: lower- and higher-rated models on the same lineup need not be based on the same memory chips, hence a lower-rated version need not run the specs of a higher-rated model.
All "low voltage" (1.20 and 1.35V rated) DDR3 uses the same chips as they put on "normal" (1.50 and 1.65V rated) kits so raising voltage is a safety non-issue. However, if you need to do it for your kit to do spec, it can serve as a reason to RMA.
Outside of Crucial/Micron, everyone is currently using the same model of Hynix chips. Kingston have just taken an advantage and binned their sticks for lower timings.
If spec is the same then the only difference are PCB and heatspreaders (which have no affect on performance) ... and price.
Set ODT override 0 or 0x00 (depending on BIOS version) and both RTT Nom from 40 (Auto) to 0. Both of these options should be located on the bottom of memory timings page.
Yes, you can remove the Ripjaws 4 heatsinks relatively easily if you pre-heat the modules with, say, a hairdryer. Note, however, that painting them will most likely invalidate your warranty.
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