Bingo, could you show us your 9x multi fsb max.
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Bingo, could you show us your 9x multi fsb max.
if bingo13 can run orthos or dual 32M at lower speeds it isn't software related.......it's just stability issue there that's it
i've had some Venices run at 2.8Ghz even if 1M superPI could not finish and it ran application stable for months lol so i don't see a major issue with that anyways heheheh :D
I;ve experienced what Bingo has too at times. There is a need for a new test to be compiled by someone for Conroe I think. IN the modern age people demand evidence in some form or another so tests have to be run. Maybe not so much on XS, but globally and amongst more casual people you have to provide some means of evidence supporting your results..
Back on topic, I think 500fsb is plenty for most, not everyone perhaps, but it's certainly enough for the bigger market where the profits come from..
regards
Raja
Bingo/Tony, so what about SATA/RAID? Any issues/errors?
Quote:
Originally Posted by mnemonik23
i think bingo already said somewhere it works and works well.
did he? I did not see the responce yet :confused:Quote:
Originally Posted by Revv23
Last time bingo wrote that he used hdd image 7 times and I wanted to find out if that because of RAID got corrupted after locks/reboot as a result of experiments with OC, OR there are SATA/RAID errors/lockups while running HDD untils (like with current 680i mobos).
LOL M8y...same here. Another month or 2 is kinda sucking for me too, ....but sh1t happens eh! :DQuote:
Originally Posted by Trice
My Amiga is keeping me in touch! ;)
Also Special Thanks to Tony & the others bringing us this info. Nice one lads & keep it coming! :)
Yeah I can wait I guess, final is on Friday then nothing for awhile. My lappy (in sig) isnt too bad so far. Glad I got the bigger screen.
Anyway, thanks for all the info guys!
QFT. Orthos and Super PI are just doing math... if the system can't do math error free... it's not stable! It really doesn't get any simpler! There is a reason that Prime95 and Orthos are used for stability testing... From the Wikipedia article...Quote:
Originally Posted by dinos22
Quote:
On an absolutely stable system, Prime95 would run indefinitely. If an error occurs (the tray icon will become yellow from the default red, indicating that the test has halted), there is a chance that the system is unstable. There is an ongoing debate about terms "stable" and "Prime-stable", as Prime95 often fails before the system becomes unstable or crashes in any other application. This is because Prime 95 is designed to subject the CPU to an incredibly intense workload, and to halt when it encounters even one minor error, whereas most normal applications do not stress the CPU anywhere near as much, and will continue to operate unless they encounter a fatal error.
I'm also interested in this.. :)Quote:
Originally Posted by MrDeeds
is 9 x 450fsb stable?? or you can do 9x500fsb with just xtreme cooling.. :)
@ALL
let not judge an early product jsut yet.. :) look at DFI Infinity 975x.. at first many problems.. now the OC is fying.. :)
Prime is not a perfect test for stability Ive found, since Ive had rigs it was stable with under load but actually unstable doing normal things. The russian one that tests the gpu and psu as well is far harder, thats the true test imo
which one?Quote:
Originally Posted by 775911
Not to go further off topic... but doesn't TAT stress the C2D harder than Prime?
Yes that is what we need.Quote:
Originally Posted by MrDeeds
people ALWAYS post those dammed 7 and 8 x multi :(
AND SO WHAT?
Give us the max fsb for a E6600, most of us have that :D:toast:
bump for SATA/RAID
It does temperaturewise but TAT can't fail so it won't show you any errors (atleast not for me).Quote:
Originally Posted by Poodle
Btw Tony, Bingo or DFI Rep :) It there any truth to the rumor that Oscar Wu worked so hard ont the bios mainly because support will be really limited?
my guess is OCCT v0.91 unless it's been updated since last year.Quote:
Originally Posted by Aerosupra
i haven't used that in forever :)
The Orthos test was set to blend. I can get it to pass when overclocking but then my apps are not always stable with settings that Orthos likes. I cannot get it to pass for more than a few minutes at DDR2-866 3-3-3-6 1T with some very aggressive sub-timings but 4-4-3 is fine. However, I let the system loop 3D06 all night without an issue while looping a three minute AVI file in the background at the 3-3-3 settings. I still think Orthos needs an update as each new chipset or processor release just brings up further problems (questions) with it.Quote:
Originally Posted by raju
Quote:
Originally Posted by mnemonik23
I am not having any issues so far with the SB600 RAID while overclocking, the Promise setup is a little different. I plan on spending the evening doing an entire series of RAID tests with three Raptors before I start writing our Preview Article for this week. This board is going to need a couple of reviews to cover everything. ;)
Lower speeds is not the issue, looser timings will cure Orthos but places me into some issues with applications at the same speed. I will post an Orthos shot shortly and tell me if you notice something weird. :D I just think Orthos needs an update. I have had issues with it since Conroe launched and it gets worse with each new chipset. Conroe on Bearlake is even worse. ;)Quote:
Originally Posted by dinos22
I will, but all it will prove is that my E6600 will not do more than 3.65 on air. :p:Quote:
Originally Posted by MrDeeds
Thank you! I'm looking forward for your review and I hope it will be completed before 15th :rolleyes:Quote:
Originally Posted by bingo13
Is it Bingo and Tony who has the board?
If possible I would like to see some 4x1Gb ram tests. :)
I believe RGone also has a board.Quote:
Originally Posted by Gascogne
Asus working on a RD600 board
http://www.nordichardware.com/news,5262.html
You will have to wait, Bingo13 has a review to write, I have a ton of stuff to do for OCZ and RGone is debugging the board for support.Quote:
Originally Posted by Gascogne
So as you see all 3 of us have boards.
take what you get here as a bonus, remember we are doing this in our spare time ;)
raid 0 ATTO and HDtach soon on dual 16mb raptors
and what about Travis? he has one board too, he posted that at dfi-street
@Tony
Did you need anymore 680i benchmark comparisons with a E6400? I'm home right not and can run just about anything you 'd like.
ASUS has had a working version for a few months now, they still have not made a firm decision. I think I reported on this a couple of weeks ago when I visited ASUS in California.Quote:
Originally Posted by Gambit_2K
http://img301.imageshack.us/img301/6...os7x511ps3.png
Orthos shot, if you overclock the board at all you end up with the CPU readings being all over the map. ;)
you say loosening ram timings helps you pass orthos...but everything else is stable... have you tried something like folding @ home with big work units?
IMO nothing is more proof of a stable system then 2 instances of FAH with -forceasm and scientific methods on...
Orthos stabiliy means that FAH will pass...
I can 3dmark loop a full 200mhz higher then an orthos/fah pass.
not a big deal though. im just saying for a 100% stable system i dont think orthos is failing, i just think the mobos are getting so good that they are good at handling unstable cpu's.
I can pass Orthos with slightly looser timings but then a couple of applications start to freeze up. I am more concerned about getting applications to run than I am about Orthos stability at 8 hours. I will start up FAH tonight and see how far I get on 1T. I am trying to take a three week review cycle and squeeze it into three days. This board needs a good week to sort out all of the performance options not to mention trying to tune a dozen different memory modules to make sure most of the bases are covered. The plan now is a quick performance preview to hit on the major topics about the board and then follow-up in a week with a full review. In the meantime I get to try a few beta BIOS releases in between. ;)Quote:
Originally Posted by Revv23
does Oscar plan to raise the FSB limit in the future BIOSes (just curious, not that I need it)
Good to go for now, I now have the EVGA also ;)Quote:
Originally Posted by The Nemesis
I VERY much doubt it, please read back and you will see whyQuote:
Originally Posted by marauder16
you mean because in windows it can' hold above 520MHz? (I can't remember any other reason, and I read the whole topic before)Quote:
Originally Posted by Tony
Just speaking with DFI they are telling me that the boards first shipment in the usa won't be till around January 10th. I had hoped it would be sooner.
http://www.xtremesystems.org/forums/...en#post1891573Quote:
Originally Posted by marauder16
The Clockgen on the board won't allow it, it can't be pushed any higher.
ah, that's not good :(Quote:
Originally Posted by xgman
Who did you speak with?Quote:
Originally Posted by xgman
I just got off a call with DFI USA in an attempt to settle this argument of will there or won't there be boards. This is what I know.
They have a sample run made, these boards should hit the USA before Xmas, this is like the 975 infinity where 30 boards or so shipped.
Now...there are some tweaks to be made, this was the whole point of 4 people getting the board to test. These should be just bios issues though so no hold up is expected on this first small shipment.
Final run will be made soon and these board will be available in the new year, this was always the case for absolute mass production boards and not the pilot run.
I hope this settles the will there or the won't there be...all being well there will be a small shipment as i have been saying all along, if something serious turns up though there could be a small delay which would push things back to the new year.
Quote:
Originally Posted by Tony
I think it was Ming. Acknowledged a "delay" Oh well, just need to get away from the dreaded 680i sata corruption train.
thats crazy :O ...the clockgen needs to be replaced then...Quote:
Originally Posted by RyderOCZ
i have a new sub-0 chipset block to test :D
I honostly donīt understand this ongoing hunt for "orthos" stability.!?!?
If it is stable enough to do what you want it to do...then why hunt for more. If running orthos is the only thing you are doing with you computer then fine, orthos stability is what you need. But if you use it for gaming and everyday usage and some additional benching from time to time...then why bother with this orthos madness.
If I take my self as an example...when I settle down for 24/7 usage I have SuperPI 32M as "land mark"... if does that then i 95% of the cases it is stable for my usage. Some times I might have to adjust the voltages slightly...but just a tad.
Well this is just my thought and input...donīt mean to offend anyone anyhow.
For me, Orthos and Prime95 have been essential testing tools. I fold 24/7, (I'm in the top 600) so my thinking has been that if my system is orthos/prime stable, then I can reasonably assume that I will be stable for folding. This way of thinking could very well be way out in left field. (and I'm sure someone will tell me if so :p: ) Therefore, I'm following the orthos discussions as it pertains to RD600 with great interest. Maybe orthos won't be a proper tool to use with this board, maybe just an update to orthos and/or the RD600 bios will make things better.
SuperPI dual 32m is a joke for testing CPU stability.Quote:
Originally Posted by Naughtyboy
A horrible joke.
Unlike most people on XS, some of us actually use our computers for stuff other than synthetic benching.
That's why we like Orthos.
I have had all the 3DMarks pass, SuperPiss pass, as well as various other benches pass, but Orthos would fail within a few minutes.
So then i go play some Q4, only to have it crash twice in an hour.
That's why i like Orthos.
I'm not saying it's imperative for everyone, but for those of us who actually use our PCs, it's a pretty damn decent indicator is stability.
Granted, it may need an update, but as mentioned, if you want rock solid stability, there are few other programs that will cut it.
Has anyone tested with board with Kentsfield? I'm wondering if it can do 400+ FSB with quad cores.
A lot more people at XS run Orthos than you think. Also XS has very good folding teams. Folding is just as demanding as Orthos. Try running your computer at 100% load for weeks, even months on end. Then you will know if it's really stable.Quote:
Originally Posted by -n7-
Well...my intentions is not to turn this in to a pissing contest..so pleas lets not.Quote:
Originally Posted by -n7-
However you can belive what ever you want...but benching is actually a minor part my comp. usage..mostly I play BF2, CSS and WoW from time to time..an the usuall stuff music, movies, surfin e.t.c. And for me SuperPI32M is good enough most of the time..a little adjustment on the voltage might be needed but thats all.
I would agree with that 100%Quote:
Originally Posted by sierra_bound
Unfortunately, aside from in the folding section, i don't recall anyone here ever reporting stability that way.
Now to get back on topic, it looks like this DFI is going to be one kickass mobo, albeit with limited stock for the first while.
Gary, may we have an ETA for when the review is arriving on AT?
guys apps can have code issues with chipsets, we saw the same with early builds of memtest86 and prime had issues with Athlons also.....so it just may need a tweak or two to run 100% on this ATI chipset.
Then again it may be just plain unstable...I will try to run some tests to see soon.
Quote:
Originally Posted by -n7-
Yeah that would be nice...something to drool at meanwhile weīre waiting for the boards to hit the shelves.
Quote:
Originally Posted by -n7-
I'm the other way round on this issue - I've been running my 6600 at 4.1 Ghz rock solid (app.) stable - no glitches, crashes, or any type of weirdness in any way shape or form for three months now, (BF2, GRAW, Office, etc..etc..) but it won't do more than 2 minutes of Ortho.
P.S. I really need to update my sig!
Preview by the weekend with the shipping BIOS.Quote:
Originally Posted by -n7-
Full article next week including beta BIOS results.
Here is the Banzai run..... :D
http://img165.imageshack.us/img165/2...009x451ht0.png
Passed Orthos for about 30 minutes before I needed to shutdown to get back to real work not to mention turning those six 120mm fans off. ;) I am deaf now. :clap:
Will your review also look at quad core performance? As you know, they don't do very well with 680i. I'm just curious how Kentsfield performs on RD600.
This is what I have been testing at today, found some more tweaking secrets at Oskar University this morning. :D
http://img261.imageshack.us/img261/8...009x432df4.png
The full review will have Quad performance. I have a retail Quad arriving on Friday. I will not post numbers with our ES unit.Quote:
Originally Posted by sierra_bound
I have a retail x6800 coming ;), cost me an arm and leg, but as quad core support is just coming to fruition, I thought let's see what my phase unit can really do, and also put and end to this es myth and the hunt for a stbale high fsb. My benching friends prefer retails anyway, some of the newer batches are better than es's anyways ;)
regards
Raja
So.....
Only a few DFI RD600 boards will be released in the USA before Christmas...
What about the DFI 680i boards? What is the ETA for those boards in the USA?
Thanks!
BL
;) Nice - can You show us a SP 1M at that speed plz........:clap:Quote:
Originally Posted by bingo13
Need to know the time.:fact:
:toast:
Q1 2007, a little while after RD600, I can't be too exact, and this timeframe means nothing as the board is still in development.Quote:
Originally Posted by BLHealthy4life
All in good time, but we have said this before, you will not set any SuperPI records with this board, application and 3D results are excellent so far.Quote:
Originally Posted by camouflage
Other important thing to test: X-Fi
I hope there is no any sound issues with RD600 and X-Fi cards
A question:
Is the new DFI Mobo only an upgraded Nforce4 LP Mobo?
Whats about the bios? Same settings like my old AMD Mobo?
I look at it differently. I wonder if yet again the X-FI card will have an issue on a new chipset. Most people like to blame the motherboard companies, but programming a BIOS to be X-FI friendly (especially after driver changes) is not that easy. Most of the time it means reduced performance or screwing around with another component on the board to get it to work correctly. ;)Quote:
Originally Posted by mnemonik23
But yes, we will test with the X-FI.
read the topic? :stick:Quote:
Originally Posted by GNU
please read through the topic next time: :nono:
1. no it's not
2. no
Jan 10th is more realistic for me.........which isnt good. I would love to get one ASAP as I need my desktop up and running but I doubt I will be one of the few to get one. I guess I will have to buy a board to hold me over until then I guess.
Bummer.
Not to go OT again, but everyone needs to be reminded of the issues encountered when the Athlons and P4s were launched. This is the current change log for Prime95 - http://www.mersenne.org/whatsnew.txt - notice we have not seen any updates for the latest series of CPUs and chipsets. While I value the importance of Orthos/Prime95, I also know what I went through with the release of the Athlon, P4, and A64 processors.Quote:
Originally Posted by Tony
It is happening again today and is the reason why I do not have 100% confidence in the program now. I have an "Orthos" stable system on my desktop that fails seven of twenty six benchmarks. I am skeptical for a reason. I promise not to mention this again in the thread, we can take it elsewhere. :toast:
Bingo,
Just a reminder. Don't forget to compare the power consumption with 975 and i680 in your review.
I was wondering what scale I would have to use to show the difference between RD600 and 680i. ;)Quote:
Originally Posted by Poodle
Sorry to rush you two, but how is the hard drive performance looking?
For those looking for some numbers...HDtach running both tests. ATI raid, 128kb
It actually is a issue, if you own two G80's as they physically need 16x + 16x to run in SLI even on a nVidia chipset mobo.Quote:
Originally Posted by Tony
there is no driver for G80 on non NV chipsets anyway at this time.Quote:
Originally Posted by Iconyu
Well thats logical considering the motherboards that support 16x 16x that aren't nVidia are so few. If the RD600 had joined those ranks then maybe there would have been a hacked driver, but without it no point really.
Nice review Bingo and Tony !
Wow the Bios !!! I'm a suprise that it doesn't have an option to start my espresso machine in the morning...
But really, I think it's a bit too much ... I like what did EVGA-Nvidia in their 680i bios, nice and clean...
But will wait and see for you final review to replace my fried DFI ...
I think this sort of scale would work, the sheer weight of the heatsinks needed for the 680i would reveal it:p: :Quote:
Originally Posted by bingo13
Hey Tony, you gonna try some of the OCZ ATI Cert memory in this board?? I've got 4 gig, and am curious as to the performance with the RD600 chipset...:cool:
excellent thanks Tony :)Quote:
Originally Posted by Tony
This board should be available for purchasing...tmrow !
Is this on air? *really hopes it's air*Quote:
Originally Posted by bingo13
Quote:
Originally Posted by Vice
Now where did you get that information
its been posted on several forums around the web, no actual confirmations from what Ive read.
You mean that the Rd600 is hotter than 975X? :DQuote:
Originally Posted by Frodin
Quote:
Originally Posted by Poodle
OT but.... If the RD600 had to choose, would it be boxers or briefs?
Should commando be added into the choice of boxers or briefs? Bad pun I know.
Why would this board be called a 3200 if it is only 8x + 8x instead of 16x + 16x....I thought that was the point.....is it possible that it is 16x + 16x in crossfire but when used with a physics card it drops to 8x + 8x x 2x? I've read the manual and it says nothing about plain crossfire speeds ....only speeds with the physics card
its 8x8, remember the chipset was designed along side the rd480 which was 8x8 alsoQuote:
Originally Posted by 2000army
Quote:
Originally Posted by Tony
Does this pose a problem for future proofing and more demanding video cards?
I thought it was the sequel or brother to rd580 :/
Not at all. From what I've heard It's more like a back engineered i975X. (Don't laugh too hard if I'm wrong. :))Quote:
Originally Posted by 775911
Can the second PCIe slot be used for a non-video card? I'd be interested in running a single vid card + PCIe raid down the road.
Lets hope.Quote:
Originally Posted by Vice
Quote:
Originally Posted by AMDfreak
That's my plan also (I've already got the drives). That's why I've been hammering Tony and Bingo about the onboard Promise. If it had been on PCIe that would have solved a lot of problems (I'm not greedy as I don't need the Areca 200MB/s but more than the 20MB/s that a PCI connected promise has).
The thing is that I believe that If we put a Raid ctrl on the 2nd PEG slot the first one will surely be strangled down to 8X (8+8+2).
So if we want full BW on the first PEG slot we have to put the ctrl on the 3rd 2X PEG slot (which might bottleneck some ctrl:ers that are 4X). But then we will not be able to use a ATI Physics card in the future.
Most 975 boards have 16X + 4X... IMO, the Akilles heel of this board is definitely the amount of PCIe lanes. Seems like the NICs stole all the lanes(?).
This said, I still want the board because of the Bios and the digital VRM. But if I have to wait till sometime in Feb for this board, I might as well wait some more for a BW rich Amd 690 board and an Agena chip. :slapass:
It was on air, lots and lots of air. CM Stacker case, replaced the four 120mm fans on the door with high speed units and hung two others over the CPU area. Not something you would want to do for very long. ;) Also, pushed the volts on the board way up and the CPU was at 1.575V. My E6600 is not that good so I had to zap it. :DQuote:
Originally Posted by Yay for Cheese
Does anyone know if this will this board actually be available to purchase tommorrow? The only pre-order\backorder I have seen in the states is ZZF and they have had it backorederd for at least a month.
Hey all,
After I spent 2 hours of reading and taking notes I wanted to share it with you also.
NONE OF THE BELOW INFORMATION BELONGS TO ME, but rather a summary of KEY points IMO. use it wisely!
Big thanks to Tony and Bingo!!
BOARD PHYSICAL & BIOS
1)
The manual is available for download at DFI.
3 PCI Express x16 slots for ATI CrossFire and ATI Physics
2+1 Configuration (2 Graphics + 1 Physics)
- 2 ATI CrossFire graphics cards (each operates at x8 bandwidth).
- 1 ATI Physics graphics card operates at x2 bandwidth.
3 PCI slots
2) Two things about this board make me think voltages will be more stable than what we've been used to on the Intel side...
a. It's got 6-phase digital pwm.
b. It's not an Intel chipset.
3) Its 16X with one card or 8x8 with 2, issue is just like Nf4 its fast with dual cards, I actually feel 16X 16X is not needed.
4) RD600 is actually quite old, I have a board here from over a year ago using a very early version of the chipset.
As far as i know there are 14 revisions of the chipset now, 13 and 14 being the best.
So....this chipset was actually designed ways back with RD480 which was 8 x 8 also.
EDIT: AMD just corrected me, 4 revisions of RD600, 13 and 14 being the 3rd and 4th...so 4 respins overall.
5) Bios shots: http://www.thetechrepository.com/sho...39&postcount=6
6) of interest
DDR2 Ram 1.8V –range not shown
CPU VTT 1.2V – range 1.20-1.60V
NB Core 1.2V – range not shown
NB PLL 1.8V – range 1.80-2.50V
NB PLL 2.2V – range 1.20-1.45V
NB FSB Strapping Auto, 100,133,166,200,266,300, and 333
Address/Command Timing Auto 1T, 2T, and 3T
BOARD PERFORMANCE
1) Just so you know.
FSB CPU 511 max thru bios
MEM FSB 658 Thru bios, so 1316 max DDR2
2) Droop
Idle 1.596
load 1.590
under nature 3d01, Orthos is crashing the board here. (feels like a code issue) All 3d at this time has been fine.
3) guys apps can have code issues with chipsets, we saw the same with early builds of memtest86 and prime had issues with Athlons also.....so it just may need a tweak or two to run 100% on this ATI chipset. Then again it may be just plain unstable...I will try to run some tests to see soon. (ORTHOS versus application stability talking)
4) There are not any memory dividers on the RD600 per say. The memory clock is true async if you want it be. I can set DDR2-1103 with a 283FSB or DDR2-981 if I want as an example. The memory clock is totally independent of the CPU FSB in async mode and it works very well.
5) Guys some more info for you;
RD600 is not as fast as i975 for superPI, if this matters to you and you spend all your life watching the PC crunch 20 loops then this is not the board for you.
RD600 is FAST in 3d though, and I hear with a hacked SLI driver its faster than i680 in SLI with 7900's.
So PI freaks may be disappointed, 3D benchers may be thrilled....you just need to decide what’s for you.
6) Ram performance @ 550 and 571: http://www.xtremesystems.org/forums/...&postcount=456
7) Sata performance: http://www.xtremesystems.org/forums/...&postcount=474
8) small summary:
a) 511 FSB at least 4 hours orthos stable (blend)
b) SLI hacked drivers work
c) Faster in 3D than 680i
d) memory clock is true async
e) up to 1.94 Vcore available
f) vdroop of .006 @ load seen thus far
AVAILABILITY
1) Who did you speak with?
I just got off a call with DFI USA in an attempt to settle this argument of will there or won't there be boards. This is what I know.
They have a sample run made, these boards should hit the USA before Xmas, this is like the 975 infinity where 30 boards or so shipped.
Now...there are some tweaks to be made, this was the whole point of 4 people getting the board to test. These should be just bios issues though so no hold up is expected on this first small shipment.
Final run will be made soon and these boards will be available in the new year, this was always the case for absolute mass production boards and not the pilot run.
I hope this settles the will there or the won't there be...all being well there will be a small shipment as i have been saying all along, if something serious turns up though there could be a small delay which would push things back to the new year.
SOURCE (especially big thanks to Tony and Bingo):
http://www.xtremesystems.org/forums/...&postcount=356
http://www.xtremesystems.org/forums/...&postcount=349
http://www.xtremesystems.org/forums/...&postcount=456
http://www.xtremesystems.org/forums/...&postcount=474
http://www.xtremesystems.org/forums/...&postcount=452
http://www.xtremesystems.org/forums/...&postcount=443
http://www.thetechrepository.com/sho...39&postcount=6
http://www.xtremesystems.org/forums/...&postcount=234
http://www.xtremesystems.org/forums/...&postcount=239
http://www.xtremesystems.org/forums/...&postcount=250
http://www.xtremesystems.org/forums/...&postcount=215
http://www.xtremesystems.org/forums/...&postcount=168
http://www.xtremesystems.org/forums/...3&postcount=99
http://www.xtremesystems.org/forums/...7&postcount=62
http://www.xtremesystems.org/forums/...3&postcount=33
Edited...
Silly question, but is it faster or slower than 975 with one gfx card? If it's faster i CF and slower than 975 with singel card, well you know... :rolleyes:
Did a little more testing, this time 1T vs 2T vs 3T.
have a look here for more info
weird stuff regarding 3T there!