Gigabyte GTX 1080 Turbo OC Memory stuck at 405 Mhz after vbios update from official site!

fra98_ · Nov 2, 2018

Okay I updated my new graphic card with this:

https://www.gigabyte.com/Graphics-Card/GV-N1080TTOC-8GD#support-dl-bios

Result?

In Gpu-Z memory type is now unknown and memory clock is stuck at 405 Mhz. what can I do, tried all the vbios available on the internet for this card and nvflash keeps saying PCI mismatched!

king of swag187 · Nov 2, 2018

Why would you upgrade the VBIOS in the first place? The issue seems to be an incorrect VBIOS flashed

fra98_ · Nov 2, 2018

king of swag187 said:
Why would you upgrade the VBIOS in the first place? The issue seems to be an incorrect VBIOS flashed

You're right! Kinda a noob sorry, I thought it was the right thing to do with a new card

king of swag187 · Nov 2, 2018

fra98_ said:
You're right! Kinda a noob sorry, I thought it was the right thing to do with a new card

Updating a VBIOS is entirely unnecessary, there is no real reason to do so. Before trying what I prescribe next, try and delete/reinstall drivers with DDU. Next, I would try to make sure you have the right VBIOS, boot a USB with DOS and nvflash, and force flash it back.

fra98_ · Nov 2, 2018

king of swag187 said:
Updating a VBIOS is entirely unnecessary, there is no real reason to do so. Before trying what I prescribe next, try and delete/reinstall drivers with DDU. Next, I would try to make sure you have the right VBIOS, boot a USB with DOS and nvflash, and force flash it back.

Tried already with DDU, unsuccesfully, there's only one vbios available on GIgabyte site for my card, I'll try now with DOS

Vya Domus · Nov 2, 2018

Should have saved the original BIOS.

fra98_ · Nov 2, 2018

Vya Domus said:
Should have saved the original BIOS.

Totally true, I'm such an idiot

Tried with DOS, nothing

MrGenius · Nov 2, 2018

Are you using this?

fra98_ · Nov 3, 2018

So, I finally fixed my issue, I'll explain everything I did:

1) After flashing the VBios on gigabyte support page (link below)

https://www.gigabyte.com/Graphics-Card/GV-N1080TTOC-8GD#support-dl-bios

Using the utility integrated into the downloaded zip, the memory clock was stuck at 405 MHz, everything else was fine.

2) I searched for hours for a compatible VBios, nothing was working, the VBios that I flashed initally overwritten the PCI Subsystem ID, so nothing was working, nvflash was only giving me errors (PCI mismatch error)

Found only these VBios

https://www.techpowerup.com/vgabios/202799/202799 (I think this one is newer)

https://www.techpowerup.com/vgabios/203217/203217

The first one is the one from the official Gigabyte page (he broke my card essentially)

The others worked force flashing them using this command on cmd

cmd(as admin): nvflash64 -6 biosfile.rom

3) We skipped the PCI check and overwritten the existing one, and it worked! The card runs great and at its full potential!

Thanks everyone for the support, hopefully someone will find useful my experience!

kastriot · Nov 3, 2018

Neh we knew all this before but we thought you knew it too.

fra98_ · Nov 3, 2018

kastriot said:
Neh we knew all this before but we thought you knew it too.

I didn't, so probably other people out there don't know

TheoneandonlyMrK · Nov 3, 2018

fra98_ said:
I didn't, so probably other people out there don't know

Nevermind him , thanks for the update to your thread, anyone finding it will also appreciate it if they need help.

System Name	Desktop-PC
Processor	Intel i5 6500
Motherboard	MSI Z270 A-PRO
Cooling	7 fans
Memory	16 GB
Video Card(s)	GIGABYTE GTX 1080 TURBO OC
Storage	1250 GB
Display(s)	Viewsonic XG2401
Case	Sharkoon TG5
Power Supply	XFX 500 W
Mouse	Logitech G402
Keyboard	KLIM Domination
Software	Windows 10 Pro x64

System Name	Bruh
Processor	10700K 5.3Ghz 1.35v\| i7 7920HQ 3.6Ghz -180Mv \|
Motherboard	Z490 TUF Wifi \| Apple QMS180 \|
Cooling	EVGA 360MM \| Laptop HS \|
Memory	DDR4 32GB 3600Mhz CL16 \| LPDDR3 16GB 2133Mhz CL20 \|
Video Card(s)	Asus ROG Strix 3080 (2100Mhz/18Ghz)\|Radeon Pro 560 (1150Mhz/1655Mhz)\|
Storage	Many SSDs, ~24TB HDD/8TB SSD
Display(s)	S2719DGF, HP Z27i, Z24n\| 1800P 15.4" + ZR30W + iPad Pro 10.5 2017
Case	NR600 \| MBP 2017 15" Silver \| MSI GE62VR \| Elite 120 Advanced
Audio Device(s)	Lol imagine caring about audio
Power Supply	850GQ \| Apple 87W USB-C \|
Mouse	Whatever I have on hand + trackpads (Lanchead TE)
Keyboard	HyperX Origins Alloy idk
Software	W10 20H2\|W10 1903 LTSC/MacOS 11
Benchmark Scores	No.

System Name	Desktop-PC
Processor	Intel i5 6500
Motherboard	MSI Z270 A-PRO
Cooling	7 fans
Memory	16 GB
Video Card(s)	GIGABYTE GTX 1080 TURBO OC
Storage	1250 GB
Display(s)	Viewsonic XG2401
Case	Sharkoon TG5
Power Supply	XFX 500 W
Mouse	Logitech G402
Keyboard	KLIM Domination
Software	Windows 10 Pro x64

System Name	Bruh
Processor	10700K 5.3Ghz 1.35v\| i7 7920HQ 3.6Ghz -180Mv \|
Motherboard	Z490 TUF Wifi \| Apple QMS180 \|
Cooling	EVGA 360MM \| Laptop HS \|
Memory	DDR4 32GB 3600Mhz CL16 \| LPDDR3 16GB 2133Mhz CL20 \|
Video Card(s)	Asus ROG Strix 3080 (2100Mhz/18Ghz)\|Radeon Pro 560 (1150Mhz/1655Mhz)\|
Storage	Many SSDs, ~24TB HDD/8TB SSD
Display(s)	S2719DGF, HP Z27i, Z24n\| 1800P 15.4" + ZR30W + iPad Pro 10.5 2017
Case	NR600 \| MBP 2017 15" Silver \| MSI GE62VR \| Elite 120 Advanced
Audio Device(s)	Lol imagine caring about audio
Power Supply	850GQ \| Apple 87W USB-C \|
Mouse	Whatever I have on hand + trackpads (Lanchead TE)
Keyboard	HyperX Origins Alloy idk
Software	W10 20H2\|W10 1903 LTSC/MacOS 11
Benchmark Scores	No.

System Name	Desktop-PC
Processor	Intel i5 6500
Motherboard	MSI Z270 A-PRO
Cooling	7 fans
Memory	16 GB
Video Card(s)	GIGABYTE GTX 1080 TURBO OC
Storage	1250 GB
Display(s)	Viewsonic XG2401
Case	Sharkoon TG5
Power Supply	XFX 500 W
Mouse	Logitech G402
Keyboard	KLIM Domination
Software	Windows 10 Pro x64

Gigabyte GTX 1080 Turbo OC Memory stuck at 405 Mhz after vbios update from official site!

fra98_

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Storage	1x Kingston KC3000 1TB 1x Kingston A2000 1TB, 1x Samsung 850 EVO 250GB , 1x Samsung 860 EVO 500GB
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Memory	2x8GB+2x4GB @2400GHz
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Storage	Intel 530 SSD 480GB + Intel 510 SSD 120GB + 2x500GB hdd raid 1
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Memory	Corsair Vengeance Rgb pro 3600cas14 16Gb in four sticks./16Gb/16GB
Video Card(s)	Powercolour RX7900XT Reference/Rtx 2060
Storage	Silicon power 2TB nvme/8Tb external/1Tb samsung Evo nvme 2Tb sata ssd/1Tb nvme
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