XMS 6400C3s: DDR2-1150 3-3-3-1!

SPi 32M stable @ 2.5V

http://www.maxclocks.com/e6700/32M_3525_1100-3334.png

Some validations for mem:

http://www.maxclocks.com/e6700/1140-3331.png

Not sure if it's a record or not for CAS 3?

http://www.maxclocks.com/e6700/1150-3331.png

1130 is 1M stable, but I didn't get to do a clean run because...

The board (BadAxe) died on me today unfortunately :( It comes on for a sec and turns off. I reset everything and swapped H/W to no avail. I checked around with a DMM and the DIMM fet closest to the FDD port isn't reading continuity on 2 legs :( Anyone else ever have a problem like this?

Anyway, the 6400C3s are bad a$$ :)

Nice nice nice !

How about a Sisoft bandwidth pic ?

Yep, it`s a WR for CL3 ... :clap: Congratz

Sweet, so the board gave its life in a valiant effort at least, LOL.

farsky, board died before I really got to do anything. I am going to try to replace it tomorrow or Monday and get back on it.

I just hit the 1100 3-3-3 late last night and didn't have time to do much today. I was just doing the 32Ms to see where they were stable and that's when the board crapped out. Apparently the board said, that's just way to fast and tight, I give up :)

DDR2 is looking better every time :eek:

nice ram, 10mhz more than mine :)

How much does this cost?

It's for sale on the market ? :D

SPi 32M stable @ 2.5V

Congratz ......

how much is it ? ? ? eiei ^^'

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The board (BadAxe) died on me today unfortunately :( It comes on for a sec and turns off. I reset everything and swapped H/W to no avail.

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Same here:( ....Comes on for a sec and off.

Thats a really nice set of ram. Did you burn them in first, or is this basically a test run?? Was your badaxe rev 302 or 304?

Congrads :) I would say it better ran damn fast considering it cost $578CND (NCIX)

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Originally Posted by VictorWang

nice ram, 10mhz more than mine

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Sorry Victor, but you gotta let the little guy have one once in a while :D I've been super impressed with how this board runs DDR2...you results in particular, you're doing an awesome job ;)

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Originally Posted by dumo

Same here ....Comes on for a sec and off.

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Exactly! I dunno WTF and these boards aren't too cheap to be replacing them once a week...and I haven't even really gotten going yet :mad:

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Originally Posted by moddolicous

Thats a really nice set of ram. Did you burn them in first, or is this basically a test run?? Was your badaxe rev 302 or 304?

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I've had them for a little over a week now and done a lot of benching and whatnot during that time. I let them burn in for about 4 hours the day after I got them, but it looks like they are still getting better :) Rev. 304.

@ george, bonzo, silver: This is ridiculously fast for DDR2 with tight timings...it wouldn't be a record if it wasn't ;) There's plenty of 2GB DDR2 kits out there for the same price that do much less, the price isn't out of bounds if you look around at others, but you definitely get what you pay for on these :D http://www.newegg.com/Product/Produc...82E16820145035

Wow, I have gots to get me some of these C3's.

now that is some bad ass memory

Show us some BW! :D

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Originally Posted by boostedevo

1130 is 1M stable, but I didn't get to do a clean run because...

The board (BadAxe) died on me today unfortunately :( It comes on for a sec and turns off. I reset everything and swapped H/W to no avail. I checked around with a DMM and the DIMM fet closest to the FDD port isn't reading continuity on 2 legs :( Anyone else ever have a problem like this?

Anyway, the 6400C3s are bad a$$ :)

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Yep, DDR2 voltage above 2.2v will eventually cause failure of the VDDR upper regulating MOSFET due to overcurrent. The higher above 2.2v the faster the failure. Solution is a power MOSFET rated for a higher current...

-FCG

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Originally Posted by boostedevo

Sorry Victor, but you gotta let the little guy have one once in a while :D I've been super impressed with how this board runs DDR2...you results in particular, you're doing an awesome job ;)

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:D this mobo is good only when set to 1333fsb and 4:5 , but... awesome indeed !
aslo, ur ram is very good, 2.5v can have such results.
maybe u have a better room temp or the HS on corsair helps a little :D

Sorry guys, been AFK for a couple of days obviously :)

Victor, yeah man, that's is exactly right for board settings and I found that out sheerly on accident, LOL. Imagine my surprise when it booted DDR2-1002 3-3-2-4 FROM BIOS after leaving the DDR2-900 timings in :) I just worked it up from there. 32M stable took 2.55V, sorry I missed the 2nd "5"...been doing a lot of that lately :( IIRC, 2.50V was OK for *1M* at that speed 3-3-3-1.

FCG, can you confirm that or is that just the "MO"? I've been hearing a lot of these boards dying, but didn't know for sure it had anything to do with Vddr. I had been running 2.3-2.55V for a couple of days on it and that was it. I had no plans to do the Vddr mod on this new one for a couple of days, but maybe I will hold off a little longer than that. Wow, if that's the case, that really stinks because this board is just dumb for memory OCs :D

Niice nice RAM there man.

Maybe on AM2 platform the CAS can be lower??

that is interesting

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Originally Posted by Xtreem Tech

Maybe on AM2 platform the CAS can be lower??

that is interesting

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cant get any lower then 3-2-2-x none the less that ram kicks ass. As long as you got them $$.

Wow this is incredible. I have this memory kit sitting next to me here waiting for a mobo and conroe! So this ram is ok at 2.2v-2.5v but its the mobo circuitry that fails on the bad axe? How about the Asus P5W-DH board? I am considering that mobo.

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Maybe on AM2 platform the CAS can be lower??

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Nah, the memory controllers for both AM2 and Intels lack CAS 2, there's no way :(

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Wow this is incredible. I have this memory kit sitting next to me here waiting for a mobo and conroe! So this ram is ok at 2.2v-2.5v but its the mobo circuitry that fails on the bad axe? How about the Asus P5W-DH board? I am considering that mobo.

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As mentioned, it will only run that speed with those timings in the BadAxe board with certain BIOS settings. When I ran them in my P5WD2 Prem (955X), they did very well, but nothing near what they did in the BadAxe. The voltage *seems* to be OK, but of course, there's a risk ;) My awesome sticks are dead, or for some reason they just don't want to work in the replacement BadAxe. I get the "no memory" beep codes any time I try to boot with them in the board. I don't know if the board took them out with it (would be the first I've heard of that happening) or if 2.55V is too much, which I can't really imagine. In any case, I'd be a bit careful with Vddr, at least on the BadAxe 304. I have my 8000ULs in the new one running on AUTO...what a waste :rolleyes:

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Originally Posted by boostedevo

As mentioned, it will only run that speed with those timings in the BadAxe board with certain BIOS settings. When I ran them in my P5WD2 Prem (955X), they did very well, but nothing near what they did in the BadAxe.

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Would you care to elaborate, please? What strikes me is that DDR2-1100+ 8-3-3-3.0 with 6400C3 is seen only on BadAxe board. I also have a set of COrsair 6400C3 here and testing it on AM2 and I'm really "shocked" to see such clocks, from you and Tyrou. Even given the fact that platform is different... VictorWang also has 1100+ 8-3-3-3.0 with his 2GB TeamGroup and it's on BadAxe as well... Just curious, what are those certain circumstances/BIOS settings? Thanks!

BTW, sorry about your misfortune...

pity about the board.. but that is some nice ram you have there...

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Would you care to elaborate, please? What strikes me is that DDR2-1100+ 8-3-3-3.0 with 6400C3 is seen only on BadAxe board. I also have a set of COrsair 6400C3 here and testing it on AM2 and I'm really "shocked" to see such clocks, from you and Tyrou. Even given the fact that platform is different... VictorWang also has 1100+ 8-3-3-3.0 with his 2GB TeamGroup and it's on BadAxe as well... Just curious, what are those certain circumstances/BIOS settings? Thanks!

BTW, sorry about your misfortune...

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Sure, 1333FSB strap + 4:5 mem ratio is the only place those speeds with the tight timings will happen on this board. I don't know what it's doing there to let it happen, but the mem OCs are insane as we are all seeing :)

The board *has* to be doing something we don't know about, but I have no clue what it is. Maybe altering operations/timings in the mem controller or something. Whatever it is, it sure does make for some very impressive mem OCs...too bad the board doesn't like extra Vddr and tops out at 2.2V stock.

@nn_step: thanks

What perform theses sticks on a P5WD2-E for exemple ?
Are those impressive results due to BadAxe, Conroe or themselves ?

I have a Premium (955), not a -E (975). I've seen other people's C3s in the -Es do 1000 3-3-3-1 @ 2.4V though (Stilt). It's the BadAxe board, not Conroe. There is "something" about that strap/divider on the BadAxe and that's all there is to it.

nice

There's no doubt that the new D9 chips are good, but casually all the crazy screenshots/validations that we can see are taken with a Bad Axe.

Why not testing the same memories under other i975x boards? Then we could see what do these D9 chips really do.

I saw this mems for sell at newegg. too bad they are costing 450+. Out of my budget for memory :(

I was reading somewhere that when on the 1333 strap the bad axe increases latency in the chipset which allows for the better ram clocks. I know that sounds vague but it would make sense if the read/write to chipset is slower then however low you set the timings that ram wouldnt have to run at them cos its being limited by the chipset latency.

Well thats how i saw it.... am i anywhere near right?

What's the price tag on these? Where?

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Originally Posted by mupets_revenge

I was reading somewhere that when on the 1333 strap the bad axe increases latency in the chipset which allows for the better ram clocks. I know that sounds vague but it would make sense if the read/write to chipset is slower then however low you set the timings that ram wouldnt have to run at them cos its being limited by the chipset latency.

Well thats how i saw it.... am i anywhere near right?

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Actually, the RAM is running 1:1, not 4:5.

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Originally Posted by T07N

What's the price tag on these? Where?

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450+ for 2GB @ the egg. Waaaaay out of my price range, but very nice sticks.

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Originally Posted by freecableguy

Yep, DDR2 voltage above 2.2v will eventually cause failure of the VDDR upper regulating MOSFET due to overcurrent. The higher above 2.2v the faster the failure. Solution is a power MOSFET rated for a higher current...

-FCG

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Do you know where to get one? We can change the power MOSFET right?

Really great sticks! :thumbsup:

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Originally Posted by boostedevo

Nah, the memory controllers for both AM2 and Intels lack CAS 2, there's no way :(

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The AM2 tech doc actually says both yes and no...

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BIOS should not assume that a device can operate with either slower or faster CAS latency than those specified by the SPD. The DRAM controller is designed to support CAS latencies 2, 3, 4, 5 and 6.

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However, CAS 2 is not listed in the supported timings table :confused:

I'm leaning towards the AM2-controller not supporting CAS 2, but even if it does, the 2-setting is unlikely to work because the memory chips too must support CAS 2. Unlike most parameters, CAS isn't a mere "time-to-complete" operation - each setting must be built into the chips in the form of pipeline stages.

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Originally Posted by MonkSP

I saw this mems for sell at newegg. too bad they are costing 450+. Out of my budget for memory :(

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This ones got D9XXX
http://www.newegg.com/Product/Produc...82E16820146106

:)

Will these 6400C3s boot up at 1.9v? The MSI board I have coming defaults at that vdimm setting.

this seems way too good to be true

your 32M score is pretty slow as well..........

humm
1333 + CL3 in bad axe thread still miss leading many members.....

What are the chips under these head spreader ? :D
D9GMH ? D9GKX ?

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Originally Posted by Fixxxer

There's no doubt that the new D9 chips are good, but casually all the crazy screenshots/validations that we can see are taken with a Bad Axe.

Why not testing the same memories under other i975x boards? Then we could see what do these D9 chips really do.

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None of the other boards can do it.

I havent really believed any badaxe memory record for a while.

No offense to booste... But several users have pointed out that cpu-z doesnt always read mem speed correctly on badaxe (whenever you hit those magic bios settings, like oyu say.)

I dont really know enough to make judgement though, so i reserve my thoughts until someone more experienced comes around.