OCZ VX, Best Memory made since BH5!!

[Tony]

I hit 250fsb 2-2-2-5 on the 875P-T at 3.2Vdimm dual channel, wxchaser hit 260+ on a p4c800 so they can clock well on these rigs also.

[ojdr2001]

For some reason I'm not getting more than 235 stable 3D 2-2-2-5 DC 1T

Did this @ 3,5V. Went up to 3,75V and no gains...

MSI K8n Neo2 FX55 bios 1.36b

Could it be MOBO Bios or just bad luck on this pair?????

And for some reason cannot change CAS in A64 Tweaker. Have to boot with cas 2 from bios...

[ryanpgroovy]

intels run well at 2.5-2-2 but not at 2-2-2

[OPPAINTER]

Just did a 3d2001 comparison of my Mushkin BH5 512Mb and my VX 1Gig

ATI 9800 Pro, at stock clocks
MSI Neo2 and 4000+ at 10x260 2600MHz
Memory at 260Mhz 2-2-5 Cas2 A64 tweaked out the same
Windows XP SP2

You'll see the 1Gig of VX utilizing the 2-way Interleave beating out the 512Mb of BH5 and No-way Interleave

I believe that if this CPU was doing say 13x260 at 3380MHz this difference in the score between the 2 memories would be much larger.

OPP

[MaxxxRacer]

interesting info you got there opp.the difference is inperceptible to our senses, but its still there.. going for that last extra fps the vx do help out

[Rabbi_NZ]

OPP, do you know if the Interleave benefits are also seen on Socket 754 or only the DC AMD64s?

[cuddles]

VX wins!! *ding ding ding*

[OPPAINTER]

OPP, do you know if the Interleave benefits are also seen on Socket 754 or only the DC AMD64s?

Sorry, I don't remember seeing it, but then again I don't think I ever used a Gig on 754. May or may not be there
Looks like you have a gig on a 754, do a Sandra mem bench and see if it says it's there.

OPP

[G|-|oST]

OK what exactly is the 'interleave' referring to? 1T/2T?

[OPPAINTER]

Nothing to do with 1T. Heres somthing I found on the net, old school.

OPP

-------------------------------------
The chipset can interleave requests to different DRAM banks and gain a massive performance boost from it (relatively speaking). Without interleave, a typical session would be:

Latencies while refreshing DRAM
Send address to bank w
Receive data from bank w
Latencies while refreshing DRAM
Send address to bank x
Receive data from bank x
Latencies while refreshing DRAM
Send address to bank y
Receive data from bank y
Latencies while refreshing DRAM
Send address to bank z
Receive data from bank z

This makes extremely poor use of the bus, since we can refresh the DRAM simply by reading or writing to it.If we have some interleaving going on, we make far better use of the bus.

Latencies while refreshing DRAM
Send address to bank w
Send address to bank x, receive data from bank w
Send address to bank y, receive data from bank x
Send address to bank z, receive data from bank y
Receive data from bank z


All four banks can be accessed in turn, without having to refresh the RAM and wait the killer CAS. This is four-way interleave. Two-way interleave is only two banks at a time.

The only time you will be unable to set 4-way is if you're using a very small amount of RAM. Every DIMM has at least two banks, but 64MB and smaller DIMMs have only two. All larger DIMMs have four. However, if you use two two-bank DIMMs, you have a total of four banks and can use 4-way. Always set this setting, then, to 4-way and don't expect any problems from it. Bank interleaving was not covered in the RAM guide, so I've gone into a bit more detail here.

[DoGMaN]

This is single channel DDR400 2-3-3-7 MSI K8N Neo with a 3200+ CH 4-way interleaving

[hollywood]

After the thousands of posts and numerous threads on the VX, it puzzles me that you wouldn't know where to purchase a set. Fry's Electronics has 'em. mWave has them as well. And the list goes on...

Thank you Conrad. We don't have Fry's on the East Coast and thats the only place I saw people talking about.

oop's hit edit..my bad ment to quote.

[3NR1C0]

The problem these days is if you don't use 1gig and only have 512Mb like BH-5 in most cases, you lose out on performance. The 1gig gives you 2-way interleave, 2 gigs will give you 4-way interleave. This is on S939 motherboards anyway.
So haveing 1 gig or higher is in if you can use aggressive timings,, so now you have VX

OPP

Sorry Opp, I don't understand. Can't I enable 2 or 4-way interleave 2*256 BH-5 with?

[Sgt_Strider]

I'm curious here, is it the reason why these RAM are so good is because you can pump some serious voltages into them? How does it overclock if you use <3.0 v? Like maybe 2.8v?

[3NR1C0]

skt 939 as well.

[RocKer]

Anybody got some info on how the VX is doining on nF2 boards,i can try it but i got only 1x512mb of VX,wont there be a big differens in running sc on nF2,or is it better to run dc on it.

O hell i'll try it anyway.

[mrlobber]

Anybody got some info on how the VX is doining on nF2 boards,i can try it but i got only 1x512mb of VX,wont there be a big differens in running sc on nF2,or is it better to run dc on it.

O hell i'll try it anyway.

On nforce2 dual channel with 2x512 sticks won't get you anywhere with 1t anyway.

[cantankerous]

I am running them on my DFI LPB NF2. Stay away. With 3.3v I can't get a lick over 243 stable. Windows anything over 200mhz causes very weird behaviour. It isn't the sticks it's the weak chipset. My BH-6 is doing much better on this board than the VX. I hope with more volts and a better A64 board I can do higher than I am now.

[RocKer]

Ok thks for reply on nF2;

On s754(rig in sig) with VX i get a lot of blue sreens with"0x000000D1 NVATABUS.sys" i have been looking at MS site for info on that but can't find it,dos enybody know what this is about.

I think its got to do with my Maxtor HD 120gb 8mb,but am not sure,don't have an other hd to try out if its any better,only one i have is an old Samsung 4gb,can i try it with this 4gb hd or is it better not.

[Bluebeard]

new winbond chips (can be found on TwinMOS/M.tec - cheapest TwinMOS DDR400 module!) fired with 3,5V - so i believe thats what is under the VX also....

[KPJ]

Alonso,

Where did you get this????

[H2OGun]

And, what's the part no. please?

[Bluebeard]

http://www.forumdeluxx.de/forum/show...50#post1360650

here u find a bad quality pic (the 2 ones down) - these are on sale in germany and already should be in distribution channels...

but not sure if all M.tec use same IC...

[KPJ]

I can't connect. :/

Server is busy I guess????

[Bluebeard]

works fine here...

[Reflex1]

So which one is better, TCCD or VX? i can't decide.

[Bluebeard]

if u have enough vdimm i´d go with the vx (or any other module using new winbond ic )

[KPJ]

Alonso,

Now it works. Looks good. Thanks for the heads up.

[georgesod]

So winbond has brand new ic's? Are u sure?

[jlccarv]

Someone quick, grab that cat!

get it, cats outta the bag. Ok bad joke...

[funkflix]

So winbond has brand new ic's? Are u sure?

Infineon bought Winbond and these ICs are produced at the old
winbond-factory for Infineon! So the ICs are Infineons. labeld as M.Tec <<-- Afaik!
Maybe some new original Infineon sticks have the same ICs on it?

[cantankerous]

NVATABUS is the IDE driver from the Nvidia Nforce package. MS won't have anything on that cause the file in question isn't a direct part of windows.

[Zeus]

Ok thks for reply on nF2;

On s754(rig in sig) with VX i get a lot of blue sreens with"0x000000D1 NVATABUS.sys" i have been looking at MS site for info on that but can't find it,dos enybody know what this is about.

I think its got to do with my Maxtor HD 120gb 8mb,but am not sure,don't have an other hd to try out if its any better,only one i have is an old Samsung 4gb,can i try it with this 4gb hd or is it better not.

If you suspect your harddisk, try running memtest86+ from a floppy.

[jinu117]

So which one is better, TCCD or VX? i can't decide.

Depends on how high FSB.multi you will get. For this winchester 3000+ VX probably is much better as I go down on memory divider and end up having to do around 250-260mhz tops, while my 3500+ newcastle is better off around 280-300mhz. It also depends heavily on memory controller of the CPU unfortunately as even with higher multi you might have to go down on divider for max overclock if your memory controller can't keep up.
Choices, choices.

BTW, opp I beat you in 1 stick... out of 4. 267mhz 2-2-2-8 running fine @ ocz memtest86 #5 fine for hours now. The other 3 were not as good though :P

[ryanpgroovy]

Alonso ,

As far as I can tell MTEC is normaly PCS die , so if people want to take there chances buying mtec , we really are not bothered.


The funny thing is early today we got a blackmail letter , saying the same thing your posting , that we have found some majic new winbond chips.

The one comment I have is even if people figure out whos making these chips , there still not going to be speed screened , and only 20-30% of the current raw parts pass our internal test spec. If you really want to take your chances on something I can get the raw un- binned parts made into a special part number , which you can then order at a much lower cost ... no guarantees it will do as well as vx in every case though


Let me know :-)


Oh , here is the funny blackmail letter

" Hello,

i know what the chips are on your VX ram. They are Winbond UTT blank chips :> Very cheap chips.

And also know that you, ocz, don’t want that this is going to be puplic, cauz more than 100% win on one 512mb DDR-Ram is very much

I’ve got 50 Mtecs with Winbond UTT…

So I think you’re pleased that I keep my Mouth shut … cauz u would like to make much money as possible, that’s normal I know.…

(mtec oem about 39Eur/512mb)

I think there could maybe a deal… for keeping my mouth closed or do you want that everybody know that this ram have one of the cheapest chips on the market…



Hope for a fast reply.

In Rar archive some screens of my Winbond UTT…


Grats Martin"

[KPJ]

ryan,

LOL!!!! What did you offer him?

The best way to get proper VX modules is to go OCZ. No doubt about it. But the Mtec is worth a gamble IMO. I will probably buy the VX (for benching) when it's released in 256MB modules if they reach much higher speeds then 512MB modules. Any info about that?

[kristos]

Martin strikes me as a very smart guy

[ryanpgroovy]

But it has me thinking we should release unbinned vx for those crazy guys who like to take chances .. We could eliminate the cost of speed binning and hand testing . We could sell them cheaper.


Call it VX value series ;-)

[KPJ]

Might be a good idea with the VX value.

On Brainpower PCB....

[Torin]

What exactly does your speed binning process determine? Whether they can run 2-2-2 @ a specific voltage? How do the chips that don't pass speed binning for VX run? Do they just not go as high at 2-2-2, or do they not hit 2-2-2 at all, or...? What does a chip have to test out at before you bin it as VX gold?

[enzoR]

what does PCS die mean?

[rapra]

Hello!
I have few comments:
1. Infineon CE-5 have the same specific - they have a frequency, over which relaxing of timings do nothing. But I don't tested they over 2.8-2.9V anytime, because voltage do nothing for them.
2. I saw TwinMOS on winbond chips in few latest weeks - they are on the cheapest modules. But they are not very good - from maybe 50 pieces the best works at 225-230MHz 2-2-2 @3V in memtest86. Of course they like voltage like typical Winbonds.
3. Who will check what chips are under the VX's heatsinks? Winbonds are very easy to recognize...

P.S. maybe a title of this topic should be: 'OCZ VX, winbonds again'?

[Tony]

PCS is a make...a manufacturer.

Speed binning of VX ensure every module does at least 240fsb 2-2-2.

[enzoR]

Oh, k that makes sense. Unless Winbond err infineon makes tested chips rated at PC3200 with specific timeings it is much more worth it to just buy VX, since those are actually tested and will perform good.

[HiJon89]

PCS is a make...a manufacturer.

Speed binning of VX ensure every module does at least 240fsb 2-2-2.

Only AMD though right?

[enzoR]

well that shouldnt matter, if the chips are capable of 240 2-2-2 on amd the chips should be capable of that in any platform aslong as they dont have compatibility probs. like the 875p only likes them with cas 2.5 or something. thats a chipset thing.

[Rabbi_NZ]

bigtoe, ryangroovey...

how about making a PC3500 VX or a PC3700 VX that is still rated at 2-2-2 @ 3.2v?

I know both my modules do over 250 2-2-2 @ 3.2v.... sure the price could be higher to account for the extra labour, but I'm certain they would sell just as well as the current brew

[ojdr2001]

I have tested almost all bios on MSI K8N Neo2 + FX55 and my VX does max 230/235 2-2-2-5 1:1 (3,5 to 3,7V) 1T DC

What´s wrong????? or... where are the good ones???

[Rabbi_NZ]

tried another CPU?

[cuddles]

Guaranteed 240 @ 2-2-2. I love you OCZ

[ojdr2001]

Why another cpu? My mushkin Level2 (BH5) 2x256 do 280 1,5-2-2-5 with same cpu....

problem cannot be cpu or system.....

[Rabbi_NZ]

2x256 & 2x512 are not the same... maybe your memory controller has an issue with 2x512 setups.
maybe it is the RAM too, but it would pay to try another CPU to see if the memory all of a sudden goes higher....

[enzoR]

2x256 is a big difference on A64 than 2x512 no?? i dunno if its that significant but still.

Edit: damn rabbi u beat me to it by some seconds

[Rabbi_NZ]

Edit: damn rabbi u beat me to it by some seconds

hehehehe 2 voices are better than one

[ojdr2001]

Ya quite a difference of course. I know I cannot expect 270 or above from this ram but at least 250/260 yes..

Don't believe it´s cpu or mem controller. I have tested 2x512 OCZ 4200 and got stable 295 1:1 2,5-3-3-6 1T DC (there are screens in this forum)

So my setup sure likes 2x512

may be I was unlucky or the mems are not that good....

[enzoR]

hmm contact someone from OCZ for some help

[Grov]

Is it ok to run the VX at 1.5-2-2-10. CPU-Z doesn't report the 1.5, but i know it's not accurate for stuff.

I ran 3dmark fine, is it woth keeping it at that or 2?

[cuddles]

Run benches at 2 and 1.5 and find out yourself.

[conrad.maranan]

Is it ok to run the VX at 1.5-2-2-10. CPU-Z doesn't report the 1.5, but i know it's not accurate for stuff.

I ran 3dmark fine, is it woth keeping it at that or 2?

Check the official test thread. Rabbi_NZ runs his at 1.5-2-2-10. CPU-Z doesn't report CAS1.5, but it doesn't negate the fact that it's running at that latency value.

I tested with CAS1.5 on my VX modules and it made no difference. Everyone has a different set-up, even when the components are exactly the same. Test with 1.5 and 2.0 to discover what setting is best for your system.

[Tony]

Guys we test at 240fsb on the Neo2. The modules seem to not do as well on Intel rigs although WXchaser hit 260 with 3-2-2 and I hit 250 on the 875P-T with 2-2-2 so they do perform as long as the board does.

We have no plans to release them at 3700 speed as this may drive price up, (things do change though)

We are doing our best to keep prices as keen as we can with the extra testing involved...im sure you understand.