[O/C]Creating a Modified BIOS for a GTX 400 Series GPU

Overclockers.com · 01-20-11, 02:06 PM

This short tutorial is based on my Gigabyte GTX470 (GV-N470OC-13I rev 1.0), it's a reference card with a slightly higher GPU clock of 630 MHz. This type of BIOS modification is working on other reference GTX4xx cards like the GTX460/465/480 as well. A standard GTX470 has the max GPU voltage locked at 1.087 V, but there's an easy way to unlock up to 1.212 V. Here are some steps on how to unlock the max voltage on a GTX4xx GPU:
... Return to article to continue reading.

DaveHCYJ · 01-20-11, 06:03 PM

Wow that seems really easy. Its nice when people take the time to make tools availble to the public like that.

Volumetrik · 01-20-11, 10:24 PM

Impressive, I didn't know that NVIDIA cards could be flashed. Very easy to understand tutorial, good job =).

EarthDog · 01-21-11, 06:38 AM

This is an excellent article! I used this same procedure from woo before it was in article form and it worked like a champ!

nightelph · 03-20-11, 07:37 PM

Worked great for me on my Gigabyte GTX460 1gb. Just had to reboot for MSI Afterburner to recognize the voltage change.

Woomack · 03-21-11, 03:16 AM

Good to hear that

I was able to hit 960MHz on cold water while Forum Wars

nightelph · 03-21-11, 11:04 AM

Quote:

Originally Posted by Woomack

Good to hear that

I was able to hit 960MHz on cold water while Forum Wars

Wow thats impressive, I got it to 925/1850/2149 @ 1175mV, stock cooling.

False Christian · 03-21-11, 12:21 PM

You guys are unbelievable! Great job!

01-20-11, 02:06 PM	Thread Starter #1
Overclockers.com Join Date: Nov 1998	[O/C]Creating a Modified BIOS for a GTX 400 Series GPU This short tutorial is based on my Gigabyte GTX470 (GV-N470OC-13I rev 1.0), it's a reference card with a slightly higher GPU clock of 630 MHz. This type of BIOS modification is working on other reference GTX4xx cards like the GTX460/465/480 as well. A standard GTX470 has the max GPU voltage locked at 1.087 V, but there's an easy way to unlock up to 1.212 V. Here are some steps on how to unlock the max voltage on a GTX4xx GPU: ... Return to article to continue reading.
	QUOTE Thanks

01-20-11, 06:03 PM	#2
DaveHCYJ Senior Member Join Date: Jun 2003 Location: San Diego	Wow that seems really easy. Its nice when people take the time to make tools availble to the public like that. __________________ Main Rig i5 2500K @ 4.4GHz 1.296v \| Noctua NH-D14 \| Asus P8P67 Deluxe \| 2x4GB g.skill DDR3-1600 7-8-7-24 Gigabyte GTX570 OC \| Intel 330 120GB, 2x1TB WD Blue \| SeaSonic X-650 \| Coolermaster ATCS 840 Server C2Duo E6600 @2.4GHz \| stock cooling \| Asus P5 Deluxe \| 4x1GB Corsair XMS DDR2-800 EVGA 8800GTS \| 500GB Seagate, 2TB WD Green, 1TB WD Green \| SeaSonic S12II 520 \| Coolermaster ATCS 201
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01-20-11, 10:24 PM	#3
Volumetrik Member Join Date: Oct 2010 Location: Montreal, CA / Alburgh, VT	Impressive, I didn't know that NVIDIA cards could be flashed. Very easy to understand tutorial, good job =). __________________ Core i7 920 D0 @ 4.0 Ghz 12 GB Super Talent 2k EVGA 4-Way Classified EVGA 580 GTX 3GB 60GB Mushkin SSD 1TB WB Caviar Black Cooler Master HAF X HX850 Corsair Volumetrik' Heat
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01-21-11, 06:38 AM	#4
EarthDog Senior PITA Member Overclockers.com Editor Join Date: Dec 2008 Location: Stuck in Maryland...	This is an excellent article! I used this same procedure from woo before it was in article form and it worked like a champ! __________________ Should I R0 my SSD? / SandyBridge / Ivybridge Overclocking Guide / AMD Overclocking Guide / Power Supply Guide SSD Reliability/Write Endurance / JOIN THE BENCHING TEAM! / Bulldozer Overclocking Guide / Forum Etiquette Want to see your writing featured on the overclockers.com Front Page? PM me, I can help! "We have more information and more ways of accessing it than ever, yet seem increasingly less inclined to do so."- Michael Wilbon
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03-20-11, 07:37 PM	#5
nightelph Join Date: Sep 2004 Location: NorCal	Worked great for me on my Gigabyte GTX460 1gb. Just had to reboot for MSI Afterburner to recognize the voltage change. __________________ Ivy Quad, Asus Z77 GTX670, Vertex4 256GB Dell 2408WFP, Mackie MR5 Monitors Heat
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[O/C]Creating a Modified BIOS for a GTX 400 Series GPU

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03-21-11, 03:16 AM	#6
Woomack Senior Memory Guru Premium Member #19 Join Date: Jul 2007 Location: Poznan, Poland	Good to hear that I was able to hit 960MHz on cold water while Forum Wars __________________ Memory tests: G.Skill RipjawsX 2133C9@2500+C7, 16GB G.Skill RipjawsX 1600C9@1866C9 1.5V, Crucial Ballistix Elite 1600@2133, 8GB Corsair GX3 2000C8@2252C9 - P67, Adata 2000-G CL9@2250 7-10-7-25, Adata 2000-G v2.0 CL9@2000 6-9-6-24, Adata 1600-G CL9@1850 9-9-9-24, Kingston 2133 Grey 9-11-9-27, Team Xtreem 2666 C11 Guides: Ivy Bridge Memory Overclocking Guide, GTX470 Bios Mod, How to fix ME in Z77 Reviews: Geil EVO Veloce 2133 C10, Crucial Ballistix 1600 LP Other: Biostar I45@600MHz+ FSB, G.Skill/PSC @1523MHz/AMD, 1539MHz/Intel, P6X58D-E@248bclk
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03-21-11, 12:21 PM	#8
False Christian Member Join Date: Jan 2002 Location: Oshawa, Ontario, Canada	You guys are unbelievable! Great job! __________________ ---Asus P8Z68-V\Gen3---i5 2500K at 5GHz ---8GB Kingston DDR3-1333MHz at 1600MHz ---2xEVGA GeForce GTX 460 1GB in SLI (840/1680/4200) ---5 80mm fans---1 TB external WD hard-drive ---RealTek on-board sound (not bad!)---onboard Gigabit ethernet ---320GB SG(7200)---320GB WD (7200) ---16x/48x LG DVD-R/RW--- ---22" Samsung 2253BW LCD (1680x1050) ---Windows 7 HP 64-bit (SP1) ---3DMark2006: 31,557
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