i've 3700ebs here, which can do 260MHz @ 1T - and they get 4000MB/s :rolleyes:
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i've 3700ebs here, which can do 260MHz @ 1T - and they get 4000MB/s :rolleyes:
Hey guys,
I have a DFI Lanparty UT 250gb, 3400+ Clawhammer CG, 1gb OCZ PC3200 Platinum Rev.2, PC P&C 510 Deluxe PSU, Radeon X800 XT PE.
I got the board and chip a couple of weeks ago. The chip isn't a very good overclocker. I can just get 2.4ghz stable at 1.64 volts. However I was aiming for a combined level of CPU and Memory performance. I had 1gb of OCZ PC4200 EL but I didn't have much luck with it. I saw a lot of people reporting problems on the A64 platform using the same memory. So I decided to order up some TCCD since it seemed to be the favorite on the NF3.
I got the sticks today. I dropped them in hoping for DDR533. Right now, using the settings at the start of this thread by Oskar Wu, I've managed to get to 300x8, however I have to use the 5/6 divider to end up with DDR500. I've tried a ton of settings, listed in this thread as well as the thread dedicated to the OCZ PC3200 Rev.2. I have not gotten stability over 500mhz DDR. I turned CPC off, even went to 3-4-10-4 and still errors in Memtest 86+ in test 5, towards the end (94%-98%). Thousands of errors pop up. At 500mhz, 2.5-3-3-6, 2.8v everything is okay. 300x8 gives me my stable 2.4ghz and if I could use the 9/10 divider I could get DDR540, but it does not seem to be wanting to happen.
Perhaps I got a bad stick, but after going through the PC4200 sticks, I'm beginning to think my CPU is most likely the problem. I've tried different volts, my LDT multiplier is at 2.5 for 750mhz.
Anyone have any wild ideas that might help? My CPU is a week 10 CG 3400+. Applying additional voltage does nothing. But I can prime95 at 2.4ghz (300x8) with no problems.
Thanks for any insight you might have.
You should be able to get atleast 270 or so with 1GB in man...
Try this...
Try loading it at 275x9.0. It will give it alittle over 2.4ish. Throw your timings at 2.5-4-3-10-12-16. V2.9 Volts. And mess with the other timings alittle. Bur try that first.
Thanks for the reply. I gave that a try and it's still the same thing. I tried relaxing the timings all the way down the list. DDR500 does not seem to be a problem at 300HTT. Somewhere between 250 and 266 x2 on the memory and I start running into problems. When Memtest hits 95% on test #5, I get errors on both modules (20mb ->), and I'm talking hundreds of thousands of them. I can post and get into Memtest at 300x2 with no problems, but again errors. CPC on or off does not seem to make a difference regarding the errors. I'll try testing each stick individually tonight after work and see what happens. I do know that when I was doing some lower level tests at DDR440 (2-2-5-2) that I was picking up errors on a single module. I could tell because if I moved the modules, the errors would switch from 0-512 to 513-1024, usually isolated to the middle of the chip (300mb range or 800mb range). So maybe one of my sticks isn't up to the job. But damn that makes 3 sets of OCZ that I can't go over DDR500.
OCZ PC4000 Gold
OCZ PC4200 EL
OCZ PC3200 Platinum rev.2!!
I will say the rev.2 has done the best as the other memory would not hold this tight of a timing nor run stable with CPC on.
I do too man...But right at 250FSB I don't get any errors at all. That is what I have stopped at and I am happy with it for my 24/7 running purposes. I just wish I could get more out of my CPU. I wouldn't mind hitting 2.4GHz stable. Right now I have stopped at 2.25GHz. I guess that is better than 2.0GHz lol
You should be able to get over DDR500 with Rev 2 man. Try clocking your CPU down. Your CPU has alot to do with it. That is what is holding me back on the real high clocks with my RAM. Try clocking it with a lower divider. And run it at 1T timings as well.
Oskar_wu, or anyone else who has an answer,
Why oh why can't i get my system to boot with DRAM Drive Strength lower than level 3? :confused: :confused:
Level 4 and level 3 are ok but when i set level 1 or level 2 it simply refuses to post.
I have one stick of OCZ EL plat rev2 in slot 1 and all the setting as shown in the start of this thread except for DRAM Drive Strength.
I'm leaning towards the idea that it is the memcontroller of my Claw 3400 CO core. :(
I'm really lost and i want DDR 600 badly, i got 290 errorfree in memtest but very unstable in windows.
295 or higher means errors in test 6 mainly.
Tried 3 different sticks of EL plat rev2, they max at about the same.
I think running level 1 would gain me a lot of stability.
I ordered up an A64 Mobile 3200+ Clawhammer CG this morning and it will arrive tomorrow. I'll see if it can do any better than the retail 3400+ Clawhammer CG that I have now. If I run into the same problem, I'm going to point my finger at the board. I've ran 3 gigs of good memory through the board and have yet to really break DDR500 - so I'm willing to bet it's either the mem controller on the CPU or something with the board itself. I also picked up a SLK948U to use with the open core chip. I dunno if it will get me anything - but hey it's only money! I almost ordered a Gigabyte NF3 board and a S939 3200+ 90nm chip - but decided to give the DFI one more shot! :)
How's your 3.3v rail doing @ load ?Quote:
Originally Posted by unixadm
I'm currently running Prime95 with the following:
Vcore: 1.62v (1.63 idle)
3.3V: 3.28
5V: 5.03
12V: 11.84
Vbat: 3.01
I measured the 12v rail with my Fluke DVOM and got 12.19v at one of the Molex connectors. The power supply is a PC Power and Cooling 510 Deluxe, which is pretty much the best PSU you can get for a workstation class system. It provides rock solid rails.
Raising the vcore does not help. Raising the chipset voltage to 1.7 or 1.8 does not help. Raising Vagp to 1.6 does not help. This to me is like the quest to get the 2.4C to run at 300mhz fsb, or the 3.0C to run at 250mhz fsb. It's just a nice round number. I never expected to get DDR600, but was hoping for DDR533 or there abouts. 600 would be sweet though! :)
i'm also there with you unixadm, my 3000+ c0 seems to be the problem with my oc'n, i think the memory controller on it blows. I've ordered two more cpu's just to be sure. I have a 2800+ cg stepping and another 3100+ 1mb chip(one of those weird ES chips) coming in.
I 'm now seeing the same unstability with the memory above 250MHz with 2 dimm slots filled regardless of HTT multi or mem ratio(1/1 seems best tho).
Best I got was with my Corsair TWINX PC4400,with stock BIOS 912 8/27 Managed to get to 265Mhz ,275 was not gaming stable.
Now with the 914 BIOS I cant seem to get the same ram above 250 !!??
What BIOS are you guys using ? Could this be a CPU memory controler taking a dive ?
Apparently AMD has admitted to OCZ that the A64 have issues with two dimms at high fsb.
They are running oskar's 10/5 4.0v likely.
PCP&C have dirty rails, but that shouldnt affect you that badly. You gotta have an o-scope to check them vs. anything else to see the "dirty" rails though.
I am running 10/5 bios - the one directly from Oskar not the modified version.Quote:
Originally Posted by STEvil
That's the first I've heard about dirty rails. I have seen far greater stability with this power supply over any other one I have every had. This was especially true when powering a Pentium 'E' processor. But this is just my experience with it. I have 4 other PSU's I can try.
3.3V: 3.28Quote:
Originally Posted by unixadm
Raise it to 3.4xv and see what happens.
My OCZ 1 x 512MB PLE BH-5 @ 3.27v + 3.3vdimm was only 245MHz stable, now @ 3.42v + 3.3vdimm is stable @ 260.
Some boards may be more susceptable to the issue, but you need an o-scope to even see it so its not exactly a large problem.. unless a board makes it.
I don't think that the voltage readings from this board are accurate. Mine are showingQuote:
Originally Posted by NapalmV5
___________BIOS .... Multimeter
3.3v .......... 3.28 ......... 3.40
5.0v .......... 5.00 ......... 5.20
12.0v ........ 12.10 ...... 12.50
Oskar has apparently stated already that they used a cheap sensor on this board to keep costs down and I think that it shows.
:stick:
And thats different from any other board? I cant remember very many that i've owned which showed correct readings
Not really STEvil. I am just curious why so many people are complaining about voltage fluctuations/problems with this board.Quote:
Originally Posted by STEvil
because more people own it than another brand of course.
I just got this ram OCZ 3200 plat. rev. 2 I had some trouble at first but once I found this setup it is working great. I have only testing one stick at a time but I can boot and have been able to run everything I have tried at
2.5-3-3-7 @300 fsb. My best super pi so far has been 31 sec. I am very new to this whole testing gig but loving this ram and motherboard so far. If I was going to try and push my ram more what would be the next thing to lower?
Quote:
Originally Posted by Zeus
I'm in the same boat as far as ddr drive strength goes. I have my BH5 2x512 doing 235mhz 2-2-2-6-8-11 1t ddr drive strength at 4. 1 and 2 gives me no post. can anyone explain why? It almost seems like Oscar has the opposite results. drive strength 1 and 2 work but 3 and 4 are bad. Is this just for tccd? I have a 3200+ mobile CG stepping so I don't think it's your CO stepping because I am having the same problem.
I can't get the system in my sig to anything, but stock... I have tried may renditions of timings settings. I am not sure what the problem is..maybe a dud A64.
hey doro101 :) welcome to XtremeSystems :wave:Quote:
Originally Posted by doro101
nice results!
Good to see i'm not alone here, though to bad for you of course.Quote:
Originally Posted by trans am
It's not TCCD or BH-5 related cause you have BH-5 and i have the TCCD, we both have the same problem.
Did you try one stick?
It gives much better overclocks.
To me this DRAM Drive Strength thing is determined by your CPU.
My mobo can boot at 420HTT stable, so that ain't holding things back and i'm pretty sure this OCZ rev2 is capable of some real savage overclocks.
Only thing left is the darn CPU, mine's an old one, week 50/2003, perhaps the memcontrollers weren't as mature back then as they are now. :confused:
Can U load windows at 420HTT ??Quote:
Originally Posted by Zeus
I can't pass 335 HTT (everything above and raid bla bla) :mad:
Tell me your settings