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Samsung 2x4Gb Low Voltage DDR3 1600 kit (OCing to 2400+) Discussion - Page 138

post #1371 of 2062
Quote:
Originally Posted by Samurai707 View Post

Code:
09:48:40:WU00:FS00:News: Welcome to Folding@Home
09:48:40:WU00:FS00:Assigned to work server 129.74.85.15
09:48:40:WU00:FS00:Requesting new work unit for slot 00: RUNNING smp:4 from 129.74.85.15
09:48:40:WU00:FS00:Connecting to 129.74.85.15:8080
09:48:40:WU00:FS00:Downloading 54.78KiB
Edit: That was a small unit...
8056: 12:12:30:WU01:FS00:Downloading 672.25KiB
8004: 13:59:44:WU00:FS00:Downloading 531.64KiB
7610: 06:21:08:WU01:FS00:Downloading 330.59KiB

Do we assume that the entire WU is loaded into ram and kept there or frame by frame? I feel dangerously close to beating the eternal dead horse of "WUTS BETTER TIMINGZ OR FREQ!?"

I think the metrics I'll look for tomorrow are best Read bandwidth and latency.
 
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post #1372 of 2062
No matter how many times I've searched for that answer, I haven't found it (without asking anyone on here, that is.)
post #1373 of 2062
I installed an 8GB set of these into my rig last night and I must say that I very impressed impressed with them. I was successfully able to bump both sticks up to 1900MHz (9-9-9-24 1t) 1.38v on the first boot. My WEI RAM rating, compared to my previous 8GB kit, went up by 0.1 points. 7.7->7.8 w00t! biggrin.gif
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post #1374 of 2062
Quote:
Originally Posted by DJSticky View Post

Do we assume that the entire WU is loaded into ram and kept there or frame by frame? I feel dangerously close to beating the eternal dead horse of "WUTS BETTER TIMINGZ OR FREQ!?"
I think the metrics I'll look for tomorrow are best Read bandwidth and latency.

Folding benefits more from higher megahurtz vs tight timings, so these sticks are perfect, with low volts and all tongue.gif
Quote:
Originally Posted by NitrousX View Post

I installed an 8GB set of these into my rig last night and I must say that I very impressed impressed with them. I was successfully able to bump both sticks up to 1900MHz (9-9-9-24 1t) 1.38v on the first boot. My WEI RAM rating, compared to my previous 8GB kit, went up by 0.1 points. 7.7->7.8 w00t! biggrin.gif

Cool! Now go higher biggrin.gif
post #1375 of 2062
Quote:
Originally Posted by ivanlabrie View Post

Folding benefits more from higher megahurtz vs tight timings, so these sticks are perfect, with low volts and all tongue.gif
Cool! Now go higher biggrin.gif

With my particular motherboard, I'm unable to manually enter in RAM speeds. . I'm actually given a list of RAM ratio from which I can choose from. 2:8 is 1528MHz, 2:10 is 1910MHz, etc., The last one on the list is like 2200MHz and right now I'm perfectly fine with 1900MHz. tongue.gif

http://www.overclockers.com/wp-content/uploads/images/stories/articles/MSIP55-GD80/28.jpg
Edited by NitrousX - 11/9/12 at 12:28pm
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post #1376 of 2062
Yeah, perfectly fine...you can get 2133mhz easily I bet with something close to 1.48v, give it a try. thumb.gif
post #1377 of 2062
Quote:
Originally Posted by NitrousX View Post

Quote:
Originally Posted by ivanlabrie View Post

Folding benefits more from higher megahurtz vs tight timings, so these sticks are perfect, with low volts and all tongue.gif
Cool! Now go higher biggrin.gif

With my particular motherboard, I'm unable to manually enter in RAM speeds. . I'm actually given a list of RAM ratio from which I can choose from. 2:8 is 1528MHz, 2:10 is 1910MHz, etc., The last one on the list is like 2200MHz and right now I'm perfectly fine with 1900MHz. tongue.gif

http://www.overclockers.com/wp-content/uploads/images/stories/articles/MSIP55-GD80/28.jpg

They WILL do 2200MHz and then some.

I haven't seen a kit that cant.
post #1378 of 2062
Quote:
Originally Posted by Xinoxide View Post

They WILL do 2200MHz and then some.
I haven't seen a kit that cant.

The only problem is that his platform (LGA 1156) doesn't overclock memory as well as 1155. I remember going through 3 or 4 P55 boards before finding one that could run my G.Skill PIs at their rated speed/timings (7-10-10-28 @ 2200MHz).
post #1379 of 2062
Quote:
Originally Posted by Sam OCX View Post

The Samsung ICs can take the volts easily - http://www.youtube.com/watch?v=gl4bq0navzo - the very same kit is running at 2.0V in my mother's computer 24/7 since August and I haven't heard her report any single problem.
Same goes for PSC, Elpida BBSE and Hypers - all of those ICs can perfectly take 1.9-2.1V, even on air.
What makes the memory "die", I believe, is the PCB design.
Although I have never killed a single memory stick with voltage (out of thousands I had), I have seen numerious examples (mostly OEM and low-profile memory) when "good" ICs would just stop scaling past certain voltage for no apparent reason.

A few minutes of Memtest86+ (not a very stressful test) is a far cry from long term continuous use, and long term light use is a far cry from heavy use. I'm not sure what your mother does with her system, but I sure wouldn't feel comfortable running a substantial OC, under continuous heavy memory I/O, with anywhere near 2v going to these ICs. Even barring the voltage itself, heat would certainly be prohibitive, as even at 1.5v I can get these ICs to ~70C when they are packed close together and passively cooled.
Quote:
Originally Posted by Matt-Matt View Post

I can do 1600 9-9-9-24 2T @ 1.5v with 4 sticks.. I can also do 1866 10-10-10-28 with 4 sticks

He was talking actual clock speeds, not DDR rating.
Quote:
Originally Posted by Tjj226 Angel View Post

??????? why would it do that? One would think it would read higher?

It's not well threaded.
Quote:
Originally Posted by Xinoxide View Post

They WILL do 2200MHz and then some.
I haven't seen a kit that cant.

I have 14 of these, the worst three won't do DDR2200+ in any setup I've tried, not stably anyway.

However, I'd say his platform is holding him back.
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post #1380 of 2062
Oh, failed to notice that! 1156, yeah, 2000mhz with good timings might be the max.
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