SaniTaRiuM

Hi, I just recently bought my first laptop in forever. It has a MSI gtx 675MX 4GB card in it. I registered to try and download the vbios so I could do some overclocking, but every time I try to download it, it says I have insufficient privileges. Any help please . I oc'ed using afterburning and saw a 10fps increase just from raising the clock by 135. I would really like to OC further.

When I flashed my cards I only used -i0 -6 .rom not -i0 -5 -6 .rom. Could that be the problem?

-5 - Allow firmware and adapter PCI device ID mismatch.

-6 - Allow firmware and adapter PCI subsystem ID mismatch

That should be the problem.

- - - Updated - - -

It's really weird. If you saw the slv7 logo at boot it means that you did flashed the cards. Today I tried flashing the cards again with the vBIOS I've already been using successfully and all went well. I flashed in the following way, give it a try:

1) summon cmd.exe in Administrator mode

2) nvflash -b backup.rom

3) nvflash -4 -5 -6 "Dell 680m - 80.04.33.00.32__'OCedition'_revised_00 - OV 1050v.rom" (the most stable vBIOS with my system. It allows me higher OC > +292mhz core clock +400mhz memory).

4) follow the prompt - it will ask you if you want to go ahead and flash, type YES

5) it will ask you again if you want to flash the second GPU, type YES

6) done, type EXIT

7) reboot and check all it's working

Do you notice a big difference at the same clock?

Quote

I use EVGA precision X to overclock and the slider only would go to 135 but the clock would never change. I tried MSI afterburner and same result.



I flashed each card separately.

first command i used was -i0 -6 oc.rom

and the second was -i1 -6 oc.rom



oc was what I had changed the file name too and I know it was successful because both cards vBIOS changed in GPUz yet no matter what the 135 limit was still there and the cards would not over clock or over volt at all. I am using the standard dell A10 BIOS at the moment. My cards are both flashed back to stock bios and I know I did that correct because again it changed in GPUz.



What could I be doing wrong? The new techinferno pop up did appear at launch of my computer too until I flashed the stock. I backed up the vbios of both of my cards but I only used one file to restore since they both had the exact same vBIOS version, file size, and everything. My computer runs fine but I would really like to overclock in SLI.

Yeah, I see what you mean, my idle temp on CPU is 77-80 Celsius.

If I turn the fans to max with FN+9 it can't get lower than 72

My 675MX idles at 40 Celsius so there is probably something wrong

Check your heatsink, maybe the contact with your cpu is not optimal.

Anybody have any success overclocking dual 680m in SLI on an M18x R2? Do I need an unlocked BIOS as well as a modded vBIOS because whatever vBIOS I try the thing just sticks at stock clocks in SLI. I can only overclock with SLI off and I can't turn it off, overclock, then turn back on.

With stock BIOS I had a +135MHz limit while overclocking.

Now I use the stock voltage modded version, and the limit is gone.

What program are you using to overclock?

Dell

GPU: 680m SLI

vBIOS: stock voltage

Core/Memory Clock: 920/2250

3d Mark 11: 12489 (windows 8)

3d Mark 11 GPU score: 15039

3d Mark Vantage: not tested

CPU is a 3740qm with 41/40/39/39

Edit: just added GPU score

Wow, best thread ever

I'm downloading the dell 1050mV version, and then I'll procede with overclocking.

I think I will start with a "safe" 900/2200.

Can this card get stable 2400 memory clock?

Special thanks to svl7, awesome job here.