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Fake gtx 750ti - can't find compatible bios

kool dood
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So i bought a few different looking fake cards on ebay, all with GF106 chips.

The fake gtx 960 and gtx 780 i bought now work (only on some motherboards though?) with the fake-gtx-960 / real-GTS450 bios file from this thread:

 

i also tried many other GTS450 rom files, however the gtx 750ti still displays messy artifacts all over the screen.

any suggestions on how or where i might find a working bios for this card?

IMG_20180822_161637197_LL.jpg

IMG_20180822_161652174_LL.jpg

IMG_20180822_162112102_LL.jpg

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Posted

artifacts = the hardware's bad, not necessarily the BIOS has problems.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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5 minutes ago, Jurrunio said:

artifacts = the hardware's bad, not necessarily the BIOS has problems.

These cards are notorious for misallocating Vram due to the incorrect bios. The card assumes it has 4 times the Vram it actually has, so it doesn't render a lot of on screen elements.

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 10 and Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

How many watts do I need? ATX 3.0 & PCIe 5.0 spec, PSU misconceptions, protections explained, group reg is bad

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4 minutes ago, fasauceome said:

These cards are notorious for misallocating Vram due to the incorrect bios. The card assumes it has 4 times the Vram it actually has, so it doesn't render a lot of on screen elements.

yeah, but he tried enough BIOSes to conclude that the hardware is faulty.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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Just now, Jurrunio said:

yeah, but he tried enough BIOSes to conclude that the hardware is faulty.

Depends on the kind of artifacts and what game they're in.

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 10 and Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

How many watts do I need? ATX 3.0 & PCIe 5.0 spec, PSU misconceptions, protections explained, group reg is bad

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GF106-250-KA-A1 matches to a 1GB VRAM GTX 450's vBIOS.

It makes sense sine there are also 4 VRAM ICs.

 

May need to try a vBIOS with a less GPU or Memory clock speed.

Would try something like these, if not done so already -- 783 MHz GPU Core, 902 MHz (3608 MHz effective) Memory.

https://www.techpowerup.com/gpu-specs/palit-gts-450-low-profile.b5113

https://www.techpowerup.com/gpu-specs/gigabyte-gts-450-oc.b659

 

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  • Author

Thanks for all the help guys!

 

On 9/24/2018 at 12:52 PM, fasauceome said:

Depends on the kind of artifacts and what game they're in.

On 9/24/2018 at 1:05 PM, LinuxTek said:

Looks like the ‘gold’ is coming off on the card where it goes into the socket.

 

I see 2 bad spots

 

The card worked fine with the fake bios it came with, but with the kinds of driver instabilities you'd expect from a fake card. Each time i tried to flash a different bios however, there were screen artifacts even on the POST screen.

I'm pretty sure the hardware is fine.

On 9/24/2018 at 1:06 PM, -rascal- said:

GF106-250-KA-A1 matches to a 1GB VRAM GTX 450's vBIOS.

It makes sense sine there are also 4 VRAM ICs.

 

May need to try a vBIOS with a less GPU or Memory clock speed.

Would try something like these, if not done so already -- 783 MHz GPU Core, 902 MHz (3608 MHz effective) Memory.

https://www.techpowerup.com/gpu-specs/palit-gts-450-low-profile.b5113

https://www.techpowerup.com/gpu-specs/gigabyte-gts-450-oc.b659

 

I'll try flashing these bioses and see what happens

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I've stumbled across an issue with the other two cards which appeared to work with the GTX450 bios; neither the geforce driver installer nor gpu-z can identify the gpu any more.

probably a long-shot to solve this issue without painstakingly reflashing the card bios, but does anyone know a way to force a geforce driver to install with windows 10?

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35 minutes ago, kool dood said:

 but does anyone know a way to force a geforce driver to install with windows 10?

That's one of life's greatest mysteries still 

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 10 and Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

How many watts do I need? ATX 3.0 & PCIe 5.0 spec, PSU misconceptions, protections explained, group reg is bad

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@Roccair5 I don't think that's the point. If you read the OP carefully:
 

On 9/23/2018 at 10:37 PM, kool dood said:

So i bought a few different looking fake cards on ebay, all with GF106 chips.

The fake gtx 960 and gtx 780 i bought now work (only on some motherboards though?) with the fake-gtx-960 / real-GTS450 bios file from this thread:

It appears that the OP actually did this on purpose, for experimentation ;) 

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Just now, TopHatProductions115 said:

@Roccair5 I don't think that's the point. If you read the OP carefully:
 

On 9/23/2018 at 7:37 PM, kool dood said:

So i bought a few different looking fake cards on ebay, all with GF106 chips.

The fake gtx 960 and gtx 780 i bought now work (only on some motherboards though?) with the fake-gtx-960 / real-GTS450 bios file from this thread:

It appears that the OP actually did this on purpose, for experimentation ;)

Ah yes I see now. Thank you!

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On 9/24/2018 at 1:06 PM, -rascal- said:

GF106-250-KA-A1 matches to a 1GB VRAM GTX 450's vBIOS.

It makes sense sine there are also 4 VRAM ICs.

 

May need to try a vBIOS with a less GPU or Memory clock speed.

Would try something like these, if not done so already -- 783 MHz GPU Core, 902 MHz (3608 MHz effective) Memory.

https://www.techpowerup.com/gpu-specs/palit-gts-450-low-profile.b5113

https://www.techpowerup.com/gpu-specs/gigabyte-gts-450-oc.b659

 

Exact same result for these bioses

IMG_20180925_144055004.jpg

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Posted
On 9/24/2018 at 4:37 AM, kool dood said:

So i bought a few different looking fake cards on ebay, all with GF106 chips.

The fake gtx 960 and gtx 780 i bought now work (only on some motherboards though?) with the fake-gtx-960 / real-GTS450 bios file from this thread:

 

i also tried many other GTS450 rom files, however the gtx 750ti still displays messy artifacts all over the screen.

any suggestions on how or where i might find a working bios for this card?

 

 

 

hi! it looks like the card in the picture only has 512mb of vram. check out the PALIT GTS 450 512MB rom: https://www.techpowerup.com/vgabios/108773/palit-gts450-512-110121

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