OCZ Ram timings

[Gabb]

So I got a 4 gigs of these:
Newegg.com - OCZ Reaper HPC Edition 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory - Desktop Memory

to replace my 2 gigs of G.Skill Ram, however unlike G.Skill OCZ does not provide a recommended timings for my Gigabyte P35-DS3R mobo. I know the basic timings of 4-4-4-15 but what about the other timings like:

ACT to ACT delay (tRRD) [?]
Rank Write to READ Delay [?]
Write to Precharge Delay [?]
Refresh to ACT Delay [?]
Read to Precharge Delay [?]


heres an example of someones timings with memset:
http://i19.tinypic.com/871hnxh.jpg

does anyone have experience with my ram and mobo and has the other recommended timings? Also should I stay a 2.0v or go 2.1v just for stability? I'm under the impression that 2.3+ and beyond will fry any ram. Lastly is the whole 1:1 ratio even worth it cause a lot of people seem to be downclocking their ram to 333 to achieve the ratio.

 

[QuaziBee]

if anybody finds a review on how the ratio impacts performance (i can only imagine its minimal) I would love to read it.

 

[BongWizard]

1:1 vs. 2:3 at the same speed and timings means absolutely no difference to the memory bandwidth... i know this from experience, but here's a review on it too

X-bit labs - Choosing the Right Memory for Core 2 Duo Platform - Part 1 (page 4)

 

[Gabb]

1:1 vs. 2:3 at the same speed and timings means absolutely no difference to the memory bandwidth... i know this from experience, but here's a review on it too

X-bit labs - Choosing the Right Memory for Core 2 Duo Platform - Part 1 (page 4)

hmmm what about other ratios like 4:5 and stuff? also what about the subject thread

 

[BongWizard]

i'd recommend settings something like this... you'll have to fine tune them using a tesing utility like Memtest86+ - Advanced Memory Diagnostic Tool

ACT to ACT delay (tRRD) [3-6]
Rank Write to READ Delay [5-9]
Write to Precharge Delay [7-11]
Refresh to ACT Delay [46-55]
Read to Precharge Delay [4-8]
Static tRead Value [7-12]

just start out loose and run MemTest for a couple of passes between each move... i cant be sure about those settings, because its been a while sincei used OCZ sticks

 

[Gabb]

i'd recommend settings something like this... you'll have to fine tune them using a tesing utility like Memtest86+ - Advanced Memory Diagnostic Tool

ACT to ACT delay (tRRD) [3-6]
Rank Write to READ Delay [5-9]
Write to Precharge Delay [7-11]
Refresh to ACT Delay [46-55]
Read to Precharge Delay [4-8]
Static tRead Value [7-12]

just start out loose and run MemTest for a couple of passes between each move... i cant be sure about those settings, because its been a while sincei used OCZ sticks

I do use memtest but its long 8 hour testing processes, I guess no one has recommended OCZ ram timings to use with the mobo I have

 

[BongWizard]

it could take 8 hours to fully dial the timings in... i only run MemTest for about half an hour each time... that usually gets me 2 full passes, which will detect any possible errors... you could also try just running tests 3 and 8 between each move, then a full test at the end... timings for every set of DIMMs and every board are different, so you'll have to tune yours specifically for your system

 

[thirdshiftdj]

don't you have the auto feature for the advanced timings? I'd set it to auto and see what the system puts it at, then start messing around w/ it.

 

[BongWizard]

yeah... if you can run it with Turbo on the memory enhance, it should give you a good idea where to start at for memory timings

 

[Gabb]

hmm what a bummer the OCZ guys told me the same thing ( unlike G.Skill which provided all the timings for the different mobos ). Ah well, anything I change is good as long as I don't go over 2.3 volts right?