Luck of the draw just like any other ram.
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Luck of the draw just like any other ram.
Well I just went back a few pages and see that some new modules were released.. So I guess it depends on whether you have the older or new ones... My bad srry.Quote:
Originally Posted by Mysterfix
These newer modules not as good as ocin? I'm seeing a lot of stuck at 255 as the dates on this thread get nearerQuote:
Originally Posted by BioVader
It was my understanding that they would be just as good if not better overclockers via 2.8v. but the earlier modules were good to around 264-270 for most people if I remember right. Either was I use a divider with my setup and try to keep my ram below 269MHz at 2.5v. Oh and active cooling. http://www.team-undercover.com/galle...1-DSCF1768.JPGQuote:
Originally Posted by MikalCarbine
Hey all, I just ordered this RAM off of Newegg on Monday 1-9-06. It should be here tomorrow and I'll be sure to post screens of what I can achieve as far as settings and Mhz etc...
BioVader, you got a PM.
Nada como ser o primeiro a abrir o caixote e escolher,isto de se andar na loja a testar o melhor kit tem de acabar..Quote:
Originally Posted by MonkSP
:slapass:
What are the tightest timmings to work at 250 mhz with the cpu at 300X10 and 166 divider??anyone??
I can reach 290Mhz 3-4-4-8 2.6v.
Great mems!!!!!!!!:slobber:
http://img416.imageshack.us/img416/4472/2902po.th.jpg
Wow, thats awsome! mine top out at 275mhzQuote:
Originally Posted by Nocturno
well guys i give up.I cant even pass 260.I ve tried everythin.I ve run out of ideas.
Just A miracle i wish.
Nocturno can I please see your A64tweaker settings? I am having trouble getting mine past 270mhz on a DFI Expert :mad:Quote:
Originally Posted by Nocturno
You may have hit your limit, mine top out at 275mhz.:fact:Quote:
Originally Posted by LuckMan212
Well I would like to see a 32mb run at 290.
can anyone elaborate a little on the Tref settings? I noticed that GS Technician is using Tref 3684 (100mhz 1.95us) and I was wondering what effect this has on bandwidth and OC? Even after reading the DFI-street thread I am still quite confused on Tref and what the proper setting is for UCCC like this GSKILL HZ.
I have seen others use the setting like 0780 (200mhz 15.6us) .. is that a faster or slower setting? From my quite limited understanding, the Tref specifies the period between when the RAM must be "refreshed" so I would think that a LONGER (15.6us) interval would = more bandwidth because it would have to refresh less often, so that would mean the 1.95us setting is actually the SLOWEST setting? but can someone correct me?
EDIT: well just a quick follow-up I just did some Sandra mem b/w tests and got this result:
(it shows <1% variance between the two settings)
http://solvent-llc.com/files/snag030.png
So I guess that the Tref is really nothing to do with bandwidth or performance but merely affects stability. So it is the kind of setting that there really should be a "proper" setting for this UCCC ram. Can I assume it is the 100mhz 1.95us setting that GS Tech has shown?
Well thanks Lucky, I think I'll give these another go around with the slower setting and see if i can't get um upto 280mhz.Quote:
Originally Posted by LuckMan212
http://img42.imageshack.us/img42/501...tled8hy.th.jpg
At 250Mhz, the difference between G.S Technician and these settings in A64 Tweaker is under 100MB/s. I tried pushing the CPU and memory a little further, but it starts BSODing. I'm too lazy to isolate the problem right now, and want to keep the CPU at default voltage, so for now, I'm happy at 2500MHz with this X2. The wierd thing is, at 270MHz, it gives me less bandwidth in Sandra than at 250MHz.
I set my Trtw to 2, but my Abit AN8 Ultra keeps on changing it to 4, no matter what I set it to in the BIOS. I have to set it manually to 2 in A64 Tweaker.
Passed SP2004 for 12+ hours in SP2004 large FFT with G.S Technician's settings and these settings.
I've read this thread entirely and have tried to match exactly the settings that GS Technician has specified for Tras, Trp, Trrd, etc in A64Tweaker and in BIOS. I cannot get my memory to be stable past 265Mhz. Even at 265 it is "iffy" and sometimes fails Memtest86 test#5. And I see many people with same mem are easily reaching 285-290mhz. I would be happy with 275 even but 265?? It is very low compared to what most people are getting with these chips!
Here are my current settings:
Motherboard: DFI NF4 Expert BIOS 12/07
Vdimm: 2.60v*
LDT volt: 1.30v
CPU vcore: 1.40v
FSB: 265
Memclk: 200Mhz (1:1)
(During testing I am using an A64 4400+ with the multiplier stepped DOWN to 8x so to isolate only the RAM for testing purposes)
*I have tried all Vdimm from 2.5~2.8v and it does not make much difference.
Tcl 3
Trc 7
Trfc 13
Trcd 4
Trrd 2
Tras 8
Trp 4
Twr 2
Twtr 2
Trtw 3
Tref 100Mhz 1.95
Twcl 1 clk
R/w Q bypass 16x
Ctrlr mode 128bit
ECC Disable
2T Disable
Bypass max 7x
Max latency 7 ns
Read preamble 5.5 ns
IdleCycle Lmt 16 clks
Dynamic cntr Disable
MEMCLK 200
DLL Enable
Drive strength Weak
32byte Disable
Here is a screenshot of my A64tweaker settings:
http://img34.imageshack.us/img34/4863/snag0319hs.th.png
And here is a pic of one of my modules, that shows the serial#:
http://img34.imageshack.us/img34/603...36712qi.th.jpg
I saw mentioned that there are different "batches" of this mem and some of them are having problems OC'ing or need more/less voltage than the other. Is mine an OLD batch or NEW batch, and which one is better? I feel that my S/N with starting "051205" indicates that module was made in May 2005 which would seem to me that I got someone's "bad" module that was RMA'd to newegg. Because I just bought mine in January 2006!! I should have an "06" module, correct? So do I have a bad set?
G.S. Technician, Please help, I have spent lots of time testing and have no success. :-( thanks :)
I'm a little confused as to what to set the Dram Drive Strength and Dram Data Drive Strength with this memory in BIOS on my DFI board. I use all of GS Tech's settings from the first page in the BIOS to run these at 255, but leave these settings on auto since the suggested setting is not shown in GS Tech's A64 tweaker screenshot. But when I pop up A64 Tweaker it shows my DRAM strength as normal. What are you all setting DRAM Drive strength and DRAM Data Drive strength to with in the BIOS to to get it weak?
http://img17.imageshack.us/img17/785...06061gw.th.jpg
I'm stable at 255x11 using auto for these settings ATM, but I want to see how high I can push it and want to know what would be a good place to start for these settings for this memory. I'm currently using the 623-3 BIOS, rig specs in my sig.
For UCCC try 7/3 or 5/2.
As for the values for Dram Drive Strength, 1,3,5 and 7 are weak, 2,4,6 and 8 are normal.
Is it better to run with the Tref at 100 w/1.95us or 200 w/7.8us?
Some of these settings are confusing the hell out of me... lol.
i got some old and new batch of expert board and it is much harder to run. i would suggest to use normal DFi mobo
well thats easy for you to say but after shelling out $200 for a mobo it is not so easy to just toss it in the junk pile :mad:
http://img498.imageshack.us/img498/5...tulo9sd.th.jpgQuote:
Originally Posted by LuckMan212
wait a minute! i thought you were running the HZ's at 290... your MEMCLK is 183 so your ram is only running 265mhz?? is that right?? if so then i guess we are achieving about the same result. 265 is where mine is maxxing out also. and I have almost identical A64tweaker setting except I use Trfc=13. :rolleyes:
This are the settings that i used at 290Mhz.Quote:
Originally Posted by LuckMan212
For 24/7 i use 10x300(1.4v) with the 180 Divider.At 273Mhz i ´m at 3-4-4-7 (Trfc=13) :p:
hi guys, i have bought 3 kit of GSKILL pc4000 2GB HZ but i have a problem, the ram not go over the 260 mhz, i have dfi lanparty ultra with the last official bios, can you give me the bios setting? i want go at least at 270-280 rock solid
thanks