Guide on how to unlock GeForce GTX 465 into GTX 470

[Parad0x]

@ SKYMTL: If you save the original bios, once you brick your card can't it be reflashed to fix the problem?

[SKYMTL]

@ SKYMTL: If you save the original bios, once you brick your card can't it be reflashed to fix the problem?

Yes. However, the original program that many reviewers used to flash their cards with the retail fan speed profiles and dual monitor fix requires the card being flashed to be designated as the primary GPU in your system. You then boot from a flash drive that presents the command prompt and go from there.

My reference was to people who would be SOL in this situation if they don't have a second GPU which would be used to boot to Windows in order to set up with rescue media after the flash goes wrong on their primary GPU.

I'm not talking about myself here. I'm talking about the people who will take this guide, run with it in the hopes of increased performance and then end up with a paper weight. Or they'll just have to buy another card in order to boot into Windows and begin the BIOS recovery process.

[ElSel10]

Just a thought here, but could we analyze these bioses and figure out a way to flash 480's to "512's"? :p

Ya why hasn't anybody tried this?

[Parad0x]

We flashed a GTX 470 BIOS in one of the GTX 465 cards just to see if it would work, and it ran perfectly fine.

Seems that the lab501 guys got the same "unlockable" Point Of View retail card as Guru3D.

[dengyong]

Ummm...no.

The GTX 480 PCB uses 12 x 128MB memory ICs for 1.536GB

The GTX 470 PCB uses 10 x 128MB for 1.28GB

The GTX 465 uses a GTX 470 PCB but in a 8 x 128 layout for 1.024GB


The reason GPU-Z is picking up additional memory is that it simply reads the BIOS of the card for clock speeds and identity and to it a GTX 470 = 1.28GB. So when you flash your card it tells GPU-Z that it is a GTX 470 and the program assumes it has 1.28GB. That is until Wiz gets information to the contrary from any board partner that releases a card with a larger amount of memory.

My statement was based on the OP's article....

As we have seen the article launching yesterday the GeForce GTX 465 is identical in terms of design with his older brother, the GeForce GTX 470. Is even more interesting that although the amount of memory differs between the two plates, GTX 465 has all faces of memory (1280MB), although only some are active (1024MB). You can compare pictures with PCB's GTX 465 with those of GTX 470 and be convinced of this.

Source: http://translate.google.com/translat...70&sl=ro&tl=en

[saaya]

i call bs... some manufacturers sent 470 cards with a 465 bios to reviewers, whether they did it on purpose i dont know... but i doubt actual retail cards will have 10 memory chips
they might still be unlockable... at least gpu wise...

i wouldnt be surprised if point of view and other card makers did this on purpose to boost sales of their 465 cards...

the chances seem to be rather low though... not like back in the radeon 9xxx days where you had a 90% chance of unlocking successfully :/
still, extra for free is always nice
but dont buy a 465 EXPECTING it to become a 470 or 469 (470 with 256bit memory)

so even IF your 465 will unlock to a 470 gpu wise, it wont score as well as the unlocked card in the lab501 review, as it will only have 256bit memory...
the unlocked 465 in the lab501 review is basically a 470...

[foch3 -USA-]

if they work with the 470 bios and some 470 work with the 480 bios then can use a 465 with a 480 bios and get the same thing as a 470 with a 480 bios.

Do you have any links, I haven't seen anything about that?

[Parad0x]

check this out: http://www.xtremesystems.org/forums/...00&postcount=7

[Micutzu]

Like I said, not enough research was done before posting this which could very well lead to some consumers wiping out their cards in one stroke. For all we know, the ONLY reason this card unlocked was because it was actually a flashed GTX 470 which was done to rush it into reviewer's hands.

The language barrier indeed creates misunderstandings; the article stated not all the cards unlock and you should be aware of that, but we have added a few phrases here and there to make sure now people would understand, even trough Google translate, that there is a risk and you should at least make sure you have a card with all the 10 memory chips present. On the other hand, even the unlockable cards do not brick after reflashing, they can be recovered by reversing the process, using another card.

[stangracin3]

check this out: http://www.xtremesystems.org/forums/...00&postcount=7

[slaveondope]

I smell yield problems

[foch3 -USA-]

check this out: http://www.xtremesystems.org/forums/...00&postcount=7

I saw that. Though I think that comes down to a problem with clocks not being applied or something. My 470 clocked at 800mhz scores 17371.

[btarunr]

Unlocking is not possible on consumer cards, because they're hard locked, and physically lack two memory chips. It just may have been a case where NVIDIA rushed in GTX 470 modified to GTX 465.

[Kanabanoid]

you think it is going to be possable to unlock the extra shaders in the GTX 480 ?

[DosDuoNo]

its funny, this thread sounds exactly like the AMD X2 550 thread, when it was first announced that you could unlock it to 4 cores.

it will never work.

ES samples only work.

it will be unstable.

they wouldnt put 4 cores instead of two in there.

2 will be hard disabled.

this will force unfair leverage in the cost to cores to other products

this will have a negative effect on the rest of the range.

and on and on.........

but the truth was, you could unlock it, and it did work for 95% of peeps,

i suspect this is nothing differant, in the end its just cheaper production wise to spit out these cards and flash them with a differant bios, even with the extra memory instaled.

and before someone else asks it 'can i flash my GTX465 to a 5970?...no

[kromosto]

this may be the 8800 effect nvidia talking about

[Shadov]

this may be the 8800 effect nvidia talking about

This could be also a rumor started on a foreign site to boost sales of overpriced GTX 465.

[Chrono Detector]

By doing this unlocking does it actually increase performance or not?

[STEvil]

Cant tell until retail cards are tested, not bios-neutered 470's.

[xdan]

Xbitlabs GTX 465 gpu is a Qual Sample, so in my opinion Nvidia hasn't "cut" enough GF100-030-A3 gpus......may be there are some 10-15% GTX 465's in GTX 470 pcb's.- i mean GF100-275-A3.

Anyway when more people will buy some GTX 465 retail, than will see what is truth. Anyaway i recomand buying Point of View brand.
And another suggestion, can someone do a modded bios which use 320byte bus and 1024mb memory but unlocks 448 SP instead of 352?

[Micutzu]

This could be also a rumor started on a foreign site to boost sales of overpriced GTX 465.

I don't care about your opinions on either ATI or Nvidia products, but please do not make allegations with no basis whatsoever. If you look around the web you will see that all the reviewed Point of View GTX 465's are identical with the GTX 470 (the 2 extra memory chips included), and there are few other sources that claim they have unlocked the cards, although with no proof. Although not in english, the lab501 website has always offered valid and verified information, is well regarded in the region and WILL NOT start fake rumours.

[TJ TRICHEESE]

I saw that. Though I think that comes down to a problem with clocks not being applied or something. My 470 clocked at 800mhz scores 17371.

although when i flashed a gtx 280 to a 285 it actually thought it was a 285 whereas here the card still thinks its a 470, something doesn't seem right.

[kiwi]

Unlocking has always been fun

[matose]

The sample I tested had 10 chips of memory, so GPUz shows correct 1280MB of memory. Also, please note that this is a retail sample taken from the distributor not a sample from NVIDIA. The same card can be brought from the store from the same batch even

[Mechromancer]

This is great and all but knowing Nvidia, they will lock the ability to unlock these cards down in the next wave of products. It's almost sad this news got out to the general public because that is how they will respond.