not try 3.5 V over ?Quote:
Originally Posted by Th3__W00T_GuY__
it is OCZ PC 4000 VX better than BH-5 ?
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not try 3.5 V over ?Quote:
Originally Posted by Th3__W00T_GuY__
it is OCZ PC 4000 VX better than BH-5 ?
damnit my pc4000vx suck!!! :(:( :( :( :( :(
Keep burning them in.... I doubt you've maxed them out yet... if they still don't do 250 @ 3.3V after a week or so of burning in, make a post in the OCZ forum about it and the OCZ reps will help you out.Quote:
Originally Posted by Th3__W00T_GuY__
but shipping in the us is VERY expensive from europe (austria..) :(:(
how should i burn them in?
2-2-2-10-1T@200@3.3V OR 2-2-2-10-2T@250@3.5 OR another possibility?
i should burn them in >80h ????
OCZ recommends 2-2-2 @ 3.2V for 48 hours, then just keep pushing it up until you start getting errors, then let it run test #5 until the errors are gone. Eventually when you hit 3.5-3.6V and are still getting the same amount of errors after hours of test #5, you can assume you've hit your limit... then back it down until you get no more errors and that should be your max.
so, i did memtest 24h now, but i will let run memtest86+ 1.51 for another 24 or even more h!!! but my bosster is :banana::banana::banana::banana:ed up i guess.... suddenly it showed 3.0Vdimm! and then i got 450000 errors... so i had to adjust it to 3.2V again... should i continu with this errors?? (they did just appear once!)
yeah but how do i burn mine in as they wont do 200MHz at 2-2-2 3.2V. anything under 3.5V gives errors.bah!
ops .. wrong post
i didnt exactly read every post of this thread but has anyone ran them through 50+ passes of memtest @ [Edit: whoops.... 260-270mhz] 2-2-2 and not got any errors?
by the way it would be nice if they werent twice the price in the uk as they are in the US... dam the uk's taxes!!
I can only dream mine seems to top out at 250 :( did have some twinmos speed premium that did 258 before this vx but thats now gone gutted!Quote:
Originally Posted by OPPAINTER
yeah well brad yours is a dream compared to my nightmare. even after 48 hours of burn-in I get errors in test 5 at a measley 230MHz at 3.5V. *$%*&£&!!!!!!!!!!!
mmm i get a few errors in test 5 at 255 using no more than 3.4v, ocz guys over at bleeding edge have tried recommending a few tweaks yet hasnt really improved anything for me, the tref made the biggest difference. I think I might try looping test 5 at 250 and see if that makes any diffQuote:
Originally Posted by pumbertot
tref???can you link me to the thread with tweak hints please mate?Quote:
Originally Posted by bradmax57
got to try something im not too happy.
try TRC @ 13 and TRFC @ 15.
CH liked those two a bit looser, BH can tighten them down more..
http://www.bleedinedge.com/forum/showthread.php?t=8093Quote:
Originally Posted by pumbertot
three different settings, wether you have a newcastle, winchester or clawhammer
comparison with my BH :)
my suicidal screenie with 2 BH
not bad but 285-290 like my 9nda3+ in benchmarks....
my SS is missed with clockgen :p:
too fast...
http://cpull.free.fr/Overclocking/Ra...loverclock.gif
296 max is the best, same timings with my 9nda3+
I'll try with the 9NPA+
ive ran 255 2-2-2-5 for 8 hours, no memtest errors, 3.6V.
Tryed 260 same settings, and i got 1 error in a 3 hour test of memtest.
All other ram settings at stock, what do you guys reccommend? 3.7volts? Got dual 80mm fans over em.
Just got my VX 4000. They'll run at 254 with no errors in memtest. Hopefully they will hit 260 after burn-in.
I haven't been able to test mine yet, but I'll post my results when I get around to it...
BTW, I think I saw my stickers on there said 2-3-3-8...does anyone elses say that? I assume that's the rated speed for defaults, and the volts need to be applied before 2-2-2 is obtainable.
The stickers on the new kit that I received today say 2-3-3-8 PC 3200 Gold Edition VXQuote:
Originally Posted by isp
I guess that is for 2.6 VDIMM?
From reading over at BE they say the sticker represents the SPD to ensure that they boot safely. Can't remember the actualy post about that tho but it was confirmed by the OCZ reps and they assured everyone they're still rated at 2-2-2-8
http://img231.exs.cx/img231/9477/vx21oa.jpg
SS with my Vx Dc :)
maybe I can do 280 with the 1.36mod bios.
Gonna try tonight.
Edit:
Could pifast @273. 3,7volt i believe.
http://img220.exs.cx/img220/8498/273pifast1ia.jpg :toast:
Anandtech revisits OCZ VX
Just checked it out. Looks pretty much the same.Quote:
Originally Posted by SLaY3r07
Nice to see some comparison between OCZ TCCD at DDR636 2,5-4-3-7 and the VX at 10x267.
you all seen this ?
PC5000 Platinum
anyone got any ?
http://www.xtremesystems.org/forums/...ad.php?t=59086Quote:
Originally Posted by graham_h
Ok so I'm at 248MHZ on my pc3200 VX. I tried at 3.2V, no go. 3.5V no go, 3.4V no go. And just for the hell of it i try 3.3 and no errors? IS that normal? IS there some kind of frequency to voltage ratio anyone is aware of?
It's just like that sometimes.
I'm thinking of buying the Value VX for my p4 2.8c 478 p4c800-e system, does it perform any good on p4 ?
http://www.venomousmofo.com/mofo04/260vx.jpg
http://www.venomousmofo.com/mofo04/260vx3.jpg
Theres an example of what my Value VX does.. $150 well spent. 3.5V and i really havent even tweaked it. Wish i had a 10X multi on this crappy CBBID. It runs D20L stable now for 4 days straight.
heh, I'm kind of having some funky results with that too. "Less is more" :lol:Quote:
Originally Posted by Magnj
I burned mine in at 3.2v (2-2-2) for about 24 hours, and then I slowly worked my way up to 250 at 3.4v. Any voltage over about 3.55 I get a ton of errors in memtest (no matter what speed). I guess I'm not cooling them enough for that high of volts...
I'll play with it some more later to try and get it stable at high v, but for now they're looping memtest at 255 (3.4v).
I'm a bit carefull before buying these modules
2*256Mb pc4000 OCZ VX ...
After reading this thread, I dont realy know what to do ?
Everybody advices to run these modules at an DFI board but I'm using the MSI Neo2 Platinum...
Any info ?
jz got my booster, my corsair pc3500 bh5 manage to run 252 @ 2-2-2-11,1T @ 3.5v
They need volts to run tight timingsQuote:
Originally Posted by BerT
If you can't put 3.3v-3.4v into the VX memory, it will not work for you. TCCD is best at lower volts.Quote:
Originally Posted by BerT
I have a OCZ DDR Booster
And I already have some tccd (OCZ pc4000 gold rev2) who manages to do 290HTT but i want tighter timings.
Any advice ?
I think that UTT at 260~270mhz with tight timings get way better perfomance than 290mhz loose timings. (u could use a divider and done ;))Quote:
Originally Posted by BerT
1) UTT @ 270 is damn rear... and probably not possible at 3.5vDimm unless you get damn lucky sticks.
2) I am pretty sure OCZ pc4000 gold rev2 are Hynix DT-D5 chips... Hynix for sure but the code may be different
Im not saying 3.5v, thats way to less. All the DFI Owners got 4volts to burn those chips up to the sky ;).Quote:
Originally Posted by Rabbi_NZ
What is the safe 24/7 v for the vx ?
Quote:
Originally Posted by Jacke2k
if you have a fan blowing over them id say up to 3.7V is safe enough for 24/7 use but the best way to decide is by how they clock.
e.g. if you get 265MHz 2-2-2 at 3.5V but only up to 268MHz at 3.7V then better off running at 3.5V.
however if say they wont go above 250MHz at 3.5V but will go to 265MHz at 3.7V then you now which one to go with. ;)
[QUOTE=Rabbi_NZ]1) UTT @ 270 is damn rear... and probably not possible at 3.5vDimm unless you get damn lucky sticks.
i disagree having had 2 sets of VX and one of twinmos UTT all doing above 265MHz at 3.5V.
I'v got a xp120 and it stretches over both mems so the cooling problem i think is solved.Quote:
Originally Posted by pumbertot
id be careful with 24/7 at 3.7, the max most went on BH chips were 3.6 24/7... but i guess i havent heard of too much dieing anyways...i think anything over 3.4 becomes a risk, but all overclocking is a risk, just a matter if you want to take it.
Thats true but i think the vx has garanti up to 3.5 v
They are actually rated 3,5v + 5% makes 3,675v
so, i can rma my vx if it gets errors on 3.5v while 3.3v at the same clocks is stable!?
I just meant 3,675 is max volt you can feed it without loosing yr warranty.
PFFT warrenty...who needs it!!!
Any way this is some GREAT ram..you can get a little more performance out of by using cas 1.5 and not loose any OC...But i love mine better than BH-5 but hell it is CH-5-UTT...some new BH-5-UTT is cooming out here in the near future though...
Dragon
wow, forgot they raised it.Quote:
Originally Posted by loc.o
Just thought I'd post a taste of my VX results...
I'm running it at about 3.675
I'm impressed, only a little over a week of running it so far, and have gotten some pretty good results, though only 2meg SPI stable so far...
Gray
i take it you arent memtest stable then?Quote:
Originally Posted by Gray Mole
@Gray Mole: Wow, 1.5-2-2-5-7-15 1T at 267mhz using "only" 3.675v Respect :).
Don't know mate, I haven't used memtest since I got rid of my DFI board, it was all right when I had memtest built in, but too much trouble for now...
'sides...if you're not 32m SPi stable, you're not fully memtest stable, I would imagine...
and some stuff in the piccy...I think I like the ram at cas2 anyway for now, at least until I start heavily benching it again, waiting for some vmods on my card so maybe next week...
Still not quite 4 meg stable yet, but it'll burn in I'm sure, and if it doesn't...well I have 2 other 24/7 rigs, and they run tccd...I want more speed, not more stability, but that's just me...
Gray
edit, that was meant to have the spd for the VX in there :slap: not 2 of the same cpuz shots
I've added a sub-37 pifast in there as well, it ran 269 at 1.5-2-2-5 long enough to take that, but I didn't want to risk losing it to a blue screen :eek:
No, use what works for you. The higher voltage if for modules that like that much. The voltage you need depends on your board and CPU.Quote:
Originally Posted by Der_KHAN
I'm not really sure I'd understand why you'd WANT to rma sticks that will work well with lower volts...
Generally I've found that you add voltage to compensate for instability, not just for the sake of it...
If you find that 3.3v works, and then you up your speed or tighten your timings and THEN if you have instability you add a little voltage, you might find that 3.5v works for you...
My FX-55 is unstable at 1.85vcore...but rock stable at 1.73vcore, both at 3.2ghz...I'm not gonna complain about that lol but if I can get some better cooling that'll let me up the clocks a bit more, I may need that extra voltage to stabilize it, and may find that it ISN'T unstable at those higher volts when the speed is actually using it...
You see what I'm saying?
Gray
yep, i know what u mean.
but because my mem is fine at 260/3.3 i was really hoping that it would do 270 at 3.5-3.6v so i could run it 1:1
and i thought since ocz gives a lifetime warranty for 3.5v they expect all of their VX sticks to like that much volts
Quote:
Originally Posted by Der_KHAN
hey have you tried the new 510-2 bios for ultra-d mate?
my max vx overclock went from 264 to 268 so you might get those few MHz you need. ;)
Nice!Quote:
Originally Posted by Der_KHAN
If they'll do that at 3.3, you might just get that with the extra volts...
How long have you been using them? After a while of burning in, they should stabilize at higher speeds I would think...
I had just found a setting for 270mhz that was working before I had some issues, so your will probably do that speed for you with a little playing, and possibly with some bios changes...
Mine is on NF3 Neo2, and your volts from the DFI(if that's what you're using?) might be more predictable that my booster...
Gray