Ram oc issue

setter · 15 Jan 2014 at 20:04

Hi 8 Pack, been having a few niggling issues with ram oc'ing. Settings are.

cpu, 4.5ghz, 1.267v
cache, 4300mhz, 1.25v
ioa, 1.25
iod, 1.25
sa, 1.25.

Ram is the tg vulcan red c10 2400mhz kit. Decided to clock the ram to 2600mhz, 1.75v timings slackened to 11-12-12-32 2T. Defaults are 10-11-11-31 2T. The above runs asus rog bench fine for 2 loops. But testing super pi 32m results in failure after two loops with a rounding error. Shortly after this i went to shut down the pc whereupon the system blue screened on 0x50, (possible dram v/qpi/vtt) going by code lists on here. Any tips on what i can do to remedy this. Thanks in advance.

8 Pack · 15 Jan 2014 at 21:56

050 is memory timings and or Voltage in my experience on Z87.

Try 11-13-13-35 2T all other timings auto first. Then dial down to 11-13-12-31 1T and tune from that. You should not need such SA, IOA and IOD for these timings and frequency's. 1.1-1.15 is fine.

Try with stock cache frequency's also just for testing. and cache volts 1.1v Report back!! Try show me some screens of auto second and third timings so I can see issues and possible timing improvements also.

setter · 16 Jan 2014 at 17:54

11-13-13-35 2T completes pi32m grand, (7m 04s). Cache at stock, 1.1v. 1.15 0n ioa/d and sa.

11-13-12-31 1T failed on pi just after completing the 23rd loop.

Auto 2nd + 3ed timings below.

8 Pack · 16 Jan 2014 at 20:27

TRFC could aid stability by relaxing. tRDRD 6 also. Last thre thirds 12 12 12 is fine to set for stab.

setter · 16 Jan 2014 at 20:38

Still for 1T? Regarding TRFC and tRDRD, slacken both theese off a bit?

setter · 16 Jan 2014 at 21:08

Relaxing TRFC to 196 and tRDRD to 6 along with the last three 3rds at 12 results in 32m passing ok.

Ill also try a run or two of realbench and a spot of gaming. Cheers 8 Pack.

8 Pack · 16 Jan 2014 at 22:02

No problem. Maybe you have some tuning options to improve perf with the seconds. Try dialing down so they go 5, 196, 7936, 12, 6 , 26, 6, 6 ,8

setter · 16 Jan 2014 at 22:05

Will do, just ran real bench. Score down to 81616 from my previous best effort, (82503). Im guessing this could be down to running the cache at stock as opposed to 4300mhz?

8 Pack · 17 Jan 2014 at 23:23

Probably. Test the effect of Cache on the bench. Often you gain in one area but loose in another. SO have to work out whats efficient for the tasks you do and benches you run.

setter · 17 Jan 2014 at 23:48

Tbh im mainly a gamer, (bf series, 3/4). But i do like to tweak things. Im fairly new to pc's and overclocking. I done ok on s775, (q6600 at 3.8 on air) then moved to x58, too easy to clock on that platform tbh mate. Im not the most knowlegable guy regarding oc'ing, but willing to read/learn. Besides, free performance. We all love a freebie.

. Btw 8 Pack, have you used the maximus VI formula much, and how would you compare it to the extreme, pcie aside of course. I was offered a m6 extreme from a bloke at work today, (he doesnt oc). I was extremely tempted.