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Lowering the minimum fan speed of sparkle gtx 460

post #1 of 10
Thread Starter 
I just recently bought a sparkle gtx 460 1GB version and it is super loud! even at the minimum fan speed (40%)

I hear that you can flash the bios using Nibitor but i dunno how to flash a bios for a graphics card. can anyone help me? THANKS!!!
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post #2 of 10
Ok, here we go.

Download nvFlash here:
http://www.techpowerup.com/downloads...r_Windows.html

Then download and unzip the BIOS .bin that I have uploaded.

Place the nvflash files in the C:/ folder.

Windows key + R
type "cmd"
press enter
when command prompt opens up, type "C:/"
then type nvflash
then:
Quote:
"nvflash -h"
- this will display information about the various settings you can use that nvflash has built into it.

There are several 'pages' of information that is presented with the -h [help] option.
The first is of particular importance as you may need to use one of the options there to "unlock" the EEPROM on your GPU to allow for a successful flash operation.

There is an option that reads: "Write Protect EEPROM --protecton"
To unlock your EEPROM use the following command from the CLI

nvflash --protectoff


You will be presented with the choice of video card if more than one is installed in your system.
Press the associated number for the card you wish to flash.

The program will now continue with the operation we told it to execute.
There will be a fairly loud "beep" that occurs to tell you that the operation completed successfully.
Also the last line displayed will read:
"Remove EEPROM write protect complete"

Now we are ready to continue with flashing the BIOS .ROM you created earlier.

At the open CLI use the following command:

nvflash --index=0 c:nvflash_gui7950gt_MOD_BIOS.rom


After this has been entered you will have the option to ABORT the operation if you are getting jumpy about do this to your [expensive] GPU.
If you are OK with continuing press "y" to complete the operation.
There will again be a fairly loud "beep" to tell you the operation was successful.

What did we just do?
We just flashed the new BIOS .ROM file to your card!!

You can now reapply the write protection to your GPU EEPROM if you would like to prevent accidental re-flashing if you happen to do something braindead.

Now all that Is required is for you to reboot your computer and use Gpuz or NiBitor to check if the BIOS was actually flashed to your GPU EEPROM.

UPDATE
But change the whole 7950 thing to the name of the file. You may want to rename the .bin to something simple like newbios.bin or something, and place it in the C:/ root.

MAKE SURE YOU HAVE A BACKUP GPU
Edited by MR KROGOTH - 6/3/11 at 10:05pm
    
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post #3 of 10
Thread Starter 
wow thanks thats a lot of instructions. I haven't got a back up gpu so im a little scared to do this right now. I was trying out the command functions that was listed above but i was a little stuck at where you told me to type in "nvflash --index=0 c:nvflash_gui7950gt_MOD_BIOS.rom"

which part do i omit? just the "7950"? or the "gui7950gt_MOD_BIOS.rom"? i renamed the new bios "newbios.bin"

also, when you say place the new bios in C:/ root, where is that? im quite a noob @ this
Edited by wildboyz - 6/3/11 at 11:37pm
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post #4 of 10
1: Take the entire gui7950gt_Mod_Bios.rom out and replace it with newbios.bin.

so it *should look like*

nvflash.exe -newbios.bin

then press Y to confirm.

C:/ root? As in your main hard drive?!?
    
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post #5 of 10
Thread Starter 
hmm for some reason I coudn't get that command to work so I did this command instead:
"nvflash newGTX460bios.rom" and the screen popped out to ask me for the things you told me about.

I went back and changed the name and made a new bios to .rom instead of .bin

whats the difference between having a .rom and .bin format?
I'm also going to buy a back up GPU today and get started with the flashing today...should I be worried about flashing my GPU if i need a back up GPU?
Could a bad flash void my warranty? THanks!!
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post #6 of 10
If you flash it and something goes wrong, most companies wont replace it, but if you reflash it after the bad flash well it's ok then.

.rom and .bin are just filetypes. No real difference.

When you say you made a new bios, did you change the fan speeds too?
    
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post #7 of 10
Thread Starter 
yeah I changed the minimum to 10% and max to 90%. I was reading around the forums and youtube that the second GPU is basically for reflashing the old card? Is that true?

Also, what would indicate a bad flash so I can be on a look out for it

also also, how would I go about reflashing the bad flashed card (if that ever happen. I really hope not )
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post #8 of 10
Thread Starter 
YES I FINALLY DID IT!! its so quiet now Thanks for your help man!!
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post #9 of 10
I also increased the Fans Max speed to 100%...
    
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post #10 of 10
Quote:
Originally Posted by wildboyz View Post
I just recently bought a sparkle gtx 460 1GB version and it is super loud! even at the minimum fan speed (40%)

I hear that you can flash the bios using Nibitor but i dunno how to flash a bios for a graphics card. can anyone help me? THANKS!!!
  1. Back your BIOS up with GPUz.
  2. Open the BIOS file with NiBitor.
  3. Under temperature settings change the default lowest and highest values Save the BIOS under a different name.
  4. Flash the BIOS with nvflash on a windows bootable, FAT32 flash drive.
    
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