OCZ 8GB (4x2GB) PC2-6400C5 800MHz Quad Channel Platinum Low Latency XTC Series DDR2

I run mines at 2V, have done since I got them a while ago with zero issues, didnt need to up the MCH either (my experience is the MCH needs to go up only if you are using 1066mhz RAM for example, as the chipset natively supports 800mhz but not 1066mhz)
 
MooMoo444 said:
Why do people buy C5 6400 when C4 is cheap now?.. I've always been confused by this :confused:
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because it was £87 off the MM, pretty good deal I thought :-)

Anyway, i'm in a bit of a dilema, ocuk say 2.1v, website specs on ocz says 2.1v, the Ram's spd says 1.8v, and the ram works fine in memtest at 1.8v. I'm currently running it at 1.9v in my asus P5Q-E. is that safe for long term stability? No need to run at 2.1v if it works fine lower right?
 
Mine ran /almost/ fine at 960 with stock 1.8 (actual 1.85). I tought it was perfect for a long time, but then I started having random, rare, crashes when doing huge compile jobs (with make -j12 on a quad :-))
Since then I bumped it to 2.0V (2.033 actual, bios says) and it's been fine, no more crashes.
 
Harbz said:
Thanks Vimes, that link is great help.

What timings does it need for 1000mhz?
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For me I just left it at the std 18-5-5-5 as I simply haven't bothered to try any different, I was just ensuring that the CPU was fine at 4ghz before bothering to try and tighten any memory timings. And, apart from benchies, there can be little practical gain in the difference it would mean. I would sooner have 1.8v going through the sticks.

I initially set the voltage at 2.1, as stated on the sticks, but, by chance, I read the above post and then tried at 1.8v and it is fine. When I posted about my suggestion on them printing a range of voltage rather than the maximum that the sticks are rated for in their forums they were pretty dismissive. Makes me wonder why they bothered to post the above if they didn't think that it was important for people to understand that the 2.1v is the maximum voltage to use.
 
run the voltage the modules need, if the kits are stable at 1.85V run that, if they need 2.1V run 2.1...


regard the sticker voltage as a max, on many boards it can be a lot less
 
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