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GTX 600 Series Unlocked Voltage Bios' downloads and tools. - Page 224

post #2231 of 7933
https://www.dropbox.com/s/vrunxuq03vj0m5y/kgb_0.5.zip
Version 0.5
- Added support for GTX690
- Added fix_checksum option (if you only wan't to fix the checksum and not change any other values supply "fix_checksum" as the parameter rather than "unlock")
- Added kgb.cfg file.
You can change the values in this file to customize your unlock values fan, voltage and power.
post #2232 of 7933
Thread Starter 
Quote:
Originally Posted by GanjaGeek View Post

Can anybody let me know of this unlock looks good before I flash it? I think it's fine but I'd like somebody to give me a thumb.gifWarning: Spoiler! (Click to show)
Thanks!
Looks good, but just to be sure download .5 and type kgb.exe (name).rom fix_checksum
I do this even if it looks good.
Quote:
Originally Posted by lee63 View Post

Would you mind doing one with just the Vcore, fan, and power target ? and leaving the clocks the same ? I'm willing to PayPal you some $$$ for your trouble biggrin.gif
Thanks again
Lee
I am so sorry but I can not, at least not yet smile.gif
Quote:
Originally Posted by F4lkon View Post

https://www.dropbox.com/s/vrunxuq03vj0m5y/kgb_0.5.zip
Version 0.5
- Added support for GTX690
- Added fix_checksum option (if you only wan't to fix the checksum and not change any other values supply "fix_checksum" as the parameter rather than "unlock")
- Added kgb.cfg file.
You can change the values in this file to customize your unlock values fan, voltage and power.
Yup, I know I use it. The fix check sum has been solving alot of problems for me.
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post #2233 of 7933
Quote:
Originally Posted by F4lkon View Post

https://www.dropbox.com/s/vrunxuq03vj0m5y/kgb_0.5.zip
Version 0.5
- Added support for GTX690
- Added fix_checksum option (if you only wan't to fix the checksum and not change any other values supply "fix_checksum" as the parameter rather than "unlock")
- Added kgb.cfg file.
You can change the values in this file to customize your unlock values fan, voltage and power.

Thanks mate....this is great..... thumb.gif
One question because I am new on GPU overclocking.....what is the voltage safe margin for the 670 ? Or all depends on the heat and the temp is the limit?

rolleyes.gif
post #2234 of 7933
I modded my GTX 670 bios with KGB and flashed it with NVFlash for Windows. With new 1.21v voltage I achieved 1241MHz, previously my core oc was pitiful 1189MHz. Max temps rose to 72C, 3C more compared to stock bios. These clocks seem to be BF3 stable.
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post #2235 of 7933
So at stock I got ~1350MHz on the core max, with the 1.21VCore bios I can hit about 1400MHz. That is all good and dandy. However, here is the interesting part.

I switched back to stock BIOS (didn't want to risk overvolting for minimal performance), and I'm not sure if it was the flashing process, or EVGA Precision instead of afterburner, but I now seem to have complete control of my voltage. I still cannot exceed 1.175VCore, but I seemed to have somehow bypassed the process of throttling back from 3D clocks. I tried undoing the "Prefer Higher Performance" in NVidia Control Panel, but it still stuck at what ever voltage I put it to even when just sitting at desktop.

My theories:
1) Precision X can bypass the process of throttling back from 3D clocks.

2) When I set the power preference to "Adaptive" it didn't stick.

3) I somehow got rid of 3D clocks while flashing multiple BIOS' then going back to my original backup.
    
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post #2236 of 7933
Thread Starter 
Quote:
Originally Posted by snelan View Post

So at stock I got ~1350MHz on the core max, with the 1.21VCore bios I can hit about 1400MHz. That is all good and dandy. However, here is the interesting part.
I switched back to stock BIOS (didn't want to risk overvolting for minimal performance), and I'm not sure if it was the flashing process, or EVGA Precision instead of afterburner, but I now seem to have complete control of my voltage. I still cannot exceed 1.175VCore, but I seemed to have somehow bypassed the process of throttling back from 3D clocks. I tried undoing the "Prefer Higher Performance" in NVidia Control Panel, but it still stuck at what ever voltage I put it to even when just sitting at desktop.
My theories:
1) Precision X can bypass the process of throttling back from 3D clocks.
2) When I set the power preference to "Adaptive" it didn't stick.
3) I somehow got rid of 3D clocks while flashing multiple BIOS' then going back to my original backup.
There also may be a 3D process in the background possibly? I would try resinstalling the drivers and doing a clean install and see if that helps.
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post #2237 of 7933
Information update for the 670 PE OC edition cards - suffering from throttling with the increased voltage - ( clock erratic and down-clocking)

i resolved this issue with the latest version of KGB 5 - by editing the kgb.cfg file and changing all the voltages to -


# Fan settings
Fan_Min = 30
Fan_Max = 100


# Board power settings
Max_Power_Target = 150


# WARNNING:
# The following are valid voltages. I suggest you
# use these values rather than coming up with your
# own. 1212500 is the max and it is normally hard limited.
# If you go over the max and your board is hard limited
# you may actually get a much lower voltage than you
# expect.
#
# Voltage = 1162500
# Voltage = 1162500
Voltage = 1162500
# Voltage = 1162000
# Voltage = 1162500
# Voltage = 1150000

This results in a boost voltage of 1.1872 -

this gave me my highest stable OC of 1320 mhz

/ max i could do with vmod bios is 1305 mhz (1.21mv) but unstable (driver crash in heaven and erratic clocks)
/ max with stock bios was 1296 - any higher would cause driver crash in heaven

so im pretty certain i have found the perfect balance for my card now - very happy smile.gif oh and all these were tested with +625 on the memory
post #2238 of 7933
Quote:
Originally Posted by F4lkon View Post

https://www.dropbox.com/s/vrunxuq03vj0m5y/kgb_0.5.zip
Version 0.5
- Added support for GTX690
- Added fix_checksum option (if you only wan't to fix the checksum and not change any other values supply "fix_checksum" as the parameter rather than "unlock")
- Added kgb.cfg file.
You can change the values in this file to customize your unlock values fan, voltage and power.

thanks for posting an updated version, will re-do it and fix checksum this time as well. it's a great piece of software! biggrin.gif
post #2239 of 7933
Quote:
Originally Posted by D-M-G View Post

Information update for the 670 PE OC edition cards - suffering from throttling with the increased voltage - ( clock erratic and down-clocking)
i resolved this issue with the latest version of KGB 5 - by editing the kgb.cfg file and changing all the voltages to -
# Fan settings
Fan_Min = 30
Fan_Max = 100
# Board power settings
Max_Power_Target = 150
# WARNNING:
# The following are valid voltages. I suggest you
# use these values rather than coming up with your
# own. 1212500 is the max and it is normally hard limited.
# If you go over the max and your board is hard limited
# you may actually get a much lower voltage than you
# expect.
#
# Voltage = 1162500
# Voltage = 1162500
Voltage = 1162500
# Voltage = 1162000
# Voltage = 1162500
# Voltage = 1150000
This results in a boost voltage of 1.1872 -
this gave me my highest stable OC of 1320 mhz
/ max i could do with vmod bios is 1305 mhz (1.21mv) but unstable (driver crash in heaven and erratic clocks)
/ max with stock bios was 1296 - any higher would cause driver crash in heaven
so im pretty certain i have found the perfect balance for my card now - very happy smile.gif oh and all these were tested with +625 on the memory
So.....you achieved higher gpu clock lowering the voltage.....that's interesting! What is your card? I have 670 windfirce x3 GB and I will give it a try....
post #2240 of 7933
Hi Fellas! Glad to see your having success using KGB.

I just wanted clear up one misconception.
In the kgb.cfg file. The "#" is a comment. When this is in front of a value the value is ignored.

So this:

#
# Voltage = 1162500
# Voltage = 1162500
Voltage = 1162500
# Voltage = 1162000
# Voltage = 1162500
# Voltage = 1150000

Is exactly the same as this:
#
# Voltage = 1212500
# Voltage = 1200000
# Voltage = 1187500
# Voltage = 1175000
Voltage = 1162500
# Voltage = 1150000

The voltage is just one value. This one voltage value sets all the tables to the same voltage.

I put six different values in the kgb.cfg so you can choose the one you wan't to use.

There is no need to change all the values to the same, as it does nothing:
#
# Voltage = 1162500
# Voltage = 1162500
Voltage = 1162500
# Voltage = 1162000
# Voltage = 1162500
# Voltage = 1150000
Edited by CrazyNutz - 12/6/12 at 7:27am
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