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RTX 2080TI only running at PCI-e 4x

aarpcard
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I have an RTX 2080Ti that I had been using in an E-Gpu enclosure for about a year.  I originally had bought the card used just before the GPU shortage hit.  The enclosure only supports PCI-e 3.0 4x so obviously that is what the card ran and reported at.

 

Now I built a desktop and reused the RTX 2080TI.   The motherboard is a Asus ROG Strix Z590-e wifi and the cpu is an i9 11900k.  The card is in the top slot.

 

For some reason, both the bios, and Gpu-z are reporting that the GPU is only running at PCI-e 3.0 4x.  This does not change with load.  I've reseated the card multiple times, cleaned the edge connector, inspected for damage, and tried it in the other PCI-E slots on the motherboard.  No matter what, it still reports PCI-e 3.0 4x. 

 

Luckily I was able to borrow another RTX 2080TI from a friend to troubleshoot.   This card reports PCI-e 3.0 16x when installed in my motherboard, which eliminates it being a cpu or motherboard issue.

 

This is actually an impactful issue because at 4x bandwidth versus 16x the RTX 2080TI looses about 6-10% performance in most games. 

 

Does anyone have any insight or further troubleshooting ideas? 

 

It seems like too much of a coincidence to me to suggest that the card had always been defective/damaged and the only reason it went unnoticed was because I installed it originally in an E-gpu enclosure whose hardware limitations just happened to coincide perfectly with the Gpu's inability to run wider than 4x and mask the issue . . .

 

Other than this the card functions fine.  I have a decent overclock on it, it runs cool, never hangs or crashes, no other signs of an issue. 

 

Help!

Clevo p377sm-a | 3.9ghz i7 4800mq | SLI GTX 970m 6gb, 1236mhz core, 1404mhz mem | 24gb DDR3 | No BGA crap found here

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Did you already try clearing the CMOS and/or doing a factory reset on the BIOS?

 

Also, did the card come in the enclosure or did you buy it separately and put it in there?

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4 minutes ago, YoungBlade said:

Did you already try clearing the CMOS and/or doing a factory reset on the BIOS?

 

Also, did the card come in the enclosure or did you buy it separately and put it in there?

 

Yep, I also updated the bios to the latest from Asus.

 

I bought the card separately, used.  It is the EVGA RTX 2080Ti Hybrid XC variant.

 

Also, I should add, updating the bios/etc was done before trying my friend's RTX 2080Ti.  I didn't have to do any fiddling with that one.  Plugged it in and boom, 16x without messing with bios setting or anything.

Edited by aarpcard
More info.

Clevo p377sm-a | 3.9ghz i7 4800mq | SLI GTX 970m 6gb, 1236mhz core, 1404mhz mem | 24gb DDR3 | No BGA crap found here

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Maybe a BIOS update for the graphics card could fix it? Just a thought 🙂

There's no place like 127.0.0.1 💙

 

Expand for setup details:

 

MOBO: ASUS ROG STRIX Z370-F Gaming  

CPU: Intel Core i7-8700K@4.7GHz, -0.095mV (Custom CNP-IHS + LM) 

CPU COOLER: CORSAIR Hydro Series H100x + 2x CORSAIR 120LL RGB

GPU: ASUS ROG STRIX RTX 3080 Ti OC LC@2115MHz + GDDR6X 20Gbps OC 

RAM: G.SKILL TridentZ RGB 4x8GB@3700MHz, 16-16-16-36, 1.35V (XMP Profile + 100MHz)

PCIe USB-A BOARD: ST Lab PCI-e 3.0 USB 3.1 (4x USB-A ports)

NVMe SSD: Samsung 970 EVO Plus 1TB 

#1 SATA SSD: Crucial MX500 2TB (1.05TB Partition RAID 0 striped with #2 SATA SSD: MX300)

#2 SATA SSD: Crucial MX300 1.05TB (RAID 0 striped with 1.05TB Partition on #1 SATA SSD: MX500)

PSU: CORSAIR HXi Series HX1200i (1200 Watt 80-PLUS Platinum)

CASE: CORSAIR iCUE 7000X RGB TG

CASE FANS: 4x CORSAIR SP140 RGElite, 2x CORSAIR 120LL RGB

#1 MONITOR: Samsung 49" Odyssey CRG9 QLED (32:9, 5120x1440p@120Hz, 8bit RGB, HDR1000)

#2 MONITOR: Philips 34" 346B1C (21:9, 3440x1440p@100Hz, 8bit RGB) [used on Svive Racing D1 SIM Cockpit]

SPEAKERS: CORSAIR SP2500 + FX Audio DAC-X6

 

Full specs and setup details on my profile-page

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9 minutes ago, BetteBalterZen said:

Maybe a BIOS update for the graphics card could fix it? Just a thought 🙂

Would you happen to know where I could find the latest vbios?  EVGA doesn't seem to host them.

Edited by aarpcard
Wrote Asus instead of EVGA lmao.

Clevo p377sm-a | 3.9ghz i7 4800mq | SLI GTX 970m 6gb, 1236mhz core, 1404mhz mem | 24gb DDR3 | No BGA crap found here

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28 minutes ago, aarpcard said:

Would you happen to know where I could find the latest vbios?  Asus doesn't seem to host them.

ASUS? Was it not this model: EVGA RTX 2080Ti Hybrid XC variant? 

Edit: just saw your edit on your post hehe 

There's no place like 127.0.0.1 💙

 

Expand for setup details:

 

MOBO: ASUS ROG STRIX Z370-F Gaming  

CPU: Intel Core i7-8700K@4.7GHz, -0.095mV (Custom CNP-IHS + LM) 

CPU COOLER: CORSAIR Hydro Series H100x + 2x CORSAIR 120LL RGB

GPU: ASUS ROG STRIX RTX 3080 Ti OC LC@2115MHz + GDDR6X 20Gbps OC 

RAM: G.SKILL TridentZ RGB 4x8GB@3700MHz, 16-16-16-36, 1.35V (XMP Profile + 100MHz)

PCIe USB-A BOARD: ST Lab PCI-e 3.0 USB 3.1 (4x USB-A ports)

NVMe SSD: Samsung 970 EVO Plus 1TB 

#1 SATA SSD: Crucial MX500 2TB (1.05TB Partition RAID 0 striped with #2 SATA SSD: MX300)

#2 SATA SSD: Crucial MX300 1.05TB (RAID 0 striped with 1.05TB Partition on #1 SATA SSD: MX500)

PSU: CORSAIR HXi Series HX1200i (1200 Watt 80-PLUS Platinum)

CASE: CORSAIR iCUE 7000X RGB TG

CASE FANS: 4x CORSAIR SP140 RGElite, 2x CORSAIR 120LL RGB

#1 MONITOR: Samsung 49" Odyssey CRG9 QLED (32:9, 5120x1440p@120Hz, 8bit RGB, HDR1000)

#2 MONITOR: Philips 34" 346B1C (21:9, 3440x1440p@100Hz, 8bit RGB) [used on Svive Racing D1 SIM Cockpit]

SPEAKERS: CORSAIR SP2500 + FX Audio DAC-X6

 

Full specs and setup details on my profile-page

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Anyhow, you can find like 99% of all GPU vBIOS's here: VGA Bios Collection | TechPowerUp

There's no place like 127.0.0.1 💙

 

Expand for setup details:

 

MOBO: ASUS ROG STRIX Z370-F Gaming  

CPU: Intel Core i7-8700K@4.7GHz, -0.095mV (Custom CNP-IHS + LM) 

CPU COOLER: CORSAIR Hydro Series H100x + 2x CORSAIR 120LL RGB

GPU: ASUS ROG STRIX RTX 3080 Ti OC LC@2115MHz + GDDR6X 20Gbps OC 

RAM: G.SKILL TridentZ RGB 4x8GB@3700MHz, 16-16-16-36, 1.35V (XMP Profile + 100MHz)

PCIe USB-A BOARD: ST Lab PCI-e 3.0 USB 3.1 (4x USB-A ports)

NVMe SSD: Samsung 970 EVO Plus 1TB 

#1 SATA SSD: Crucial MX500 2TB (1.05TB Partition RAID 0 striped with #2 SATA SSD: MX300)

#2 SATA SSD: Crucial MX300 1.05TB (RAID 0 striped with 1.05TB Partition on #1 SATA SSD: MX500)

PSU: CORSAIR HXi Series HX1200i (1200 Watt 80-PLUS Platinum)

CASE: CORSAIR iCUE 7000X RGB TG

CASE FANS: 4x CORSAIR SP140 RGElite, 2x CORSAIR 120LL RGB

#1 MONITOR: Samsung 49" Odyssey CRG9 QLED (32:9, 5120x1440p@120Hz, 8bit RGB, HDR1000)

#2 MONITOR: Philips 34" 346B1C (21:9, 3440x1440p@100Hz, 8bit RGB) [used on Svive Racing D1 SIM Cockpit]

SPEAKERS: CORSAIR SP2500 + FX Audio DAC-X6

 

Full specs and setup details on my profile-page

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21 minutes ago, aarpcard said:

Would you happen to know where I could find the latest vbios?  EVGA doesn't seem to host them.

EVGA cards are updated through Precision x1. It can be downloaded from the EVGA site.

RIG#1 CPU: AMD, R 7 5900X| Motherboard: X570 AORUS Master | RAM: Corsair Vengeance RGB Pro 32GB DDR4 3200 | GPU: EVGA FTW3 ULTRA  RTX 3080 ti | PSU: EVGA 1000 G+ | Case: Lian Li O11 Dynamic | Cooler: EK 360mm AIO | SSD#1: Corsair MP600 1TB | SSD#2: Crucial MX500 2.5" 2TB | Monitor: LG 49" NanoCell 85

 

RIG#2 CPU: Intel i9 11900k | Motherboard: Z590 AORUS Master | RAM: Corsair Vengeance RGB Pro 32GB DDR4 3600 | GPU: EVGA FTW3 ULTRA  RTX 3090 ti | PSU: EVGA 1300 G+ | Case: Lian Li O11 Dynamic EVO | Cooler: Noctua NH-D15 | SSD#1: SSD#1: Corsair MP600 1TB | SSD#2: Crucial MX300 2.5" 1TB | Monitor: LG 55" 4k B9 OLED TV

 

RIG#3 CPU: Intel i9 10900kf | Motherboard: Z490 AORUS Master | RAM: Corsair Vengeance RGB Pro 32GB DDR4 4000 | GPU: MSI Gaming X Trio 3090 | PSU: EVGA 1000 G+ | Case: Lian Li O11 Dynamic | Cooler: EK 360mm AIO | SSD#1: Crucial P1 1TB | SSD#2: Crucial MX500 2.5" 1TB | Monitor: LG 55" 4k B9 OLED TV

 

RIG#4 CPU: Intel i9 9900k | Motherboard: AORUS Z390 Ultra | RAM: Ripjaws V Series 32GB DDR4 3200 | GPU: EVGA XC3 Ultra 3080 ti  | PSU: EVGA 1000 G+ | Case: Cooler Master H500 | Cooler: Noctua NH-D15 | SSD: Crucial P2 1TB  | SSD#2: Samsung 860 QVO 2TB | Monitor: Samsung 28" TN 4k 60hz

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Precision X did not seem to have a vbios update.

 

So the only other vbios I could find for my card EVGA RTX 2080Ti XC Hybrid (11G-P4-2384-KR) was this one: https://www.techpowerup.com/vgabios/208564/208564.

 

I flashed this one (90.02.17.00.C4) with nvflash . . . same story, stuck at 4x.  I flashed back to the vbios that was on the card (90.02.30.40.1A) . . . still 4x.

 

GPU-Z screenshot below . . . any more ideas?  Is it worth it trying a vbios from a different version RTX 2080Ti - is that safe?  Worst case I can break out my eeprom programmer but I'd rather avoid that.

 

1959158228_gpuzimage.gif.97f1f78f91dce41a54df6e6ad4685a62.gif

Clevo p377sm-a | 3.9ghz i7 4800mq | SLI GTX 970m 6gb, 1236mhz core, 1404mhz mem | 24gb DDR3 | No BGA crap found here

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9 hours ago, aarpcard said:

Precision X did not seem to have a vbios update.

 

So the only other vbios I could find for my card EVGA RTX 2080Ti XC Hybrid (11G-P4-2384-KR) was this one: https://www.techpowerup.com/vgabios/208564/208564.

 

I flashed this one (90.02.17.00.C4) with nvflash . . . same story, stuck at 4x.  I flashed back to the vbios that was on the card (90.02.30.40.1A) . . . still 4x.

 

GPU-Z screenshot below . . . any more ideas?  Is it worth it trying a vbios from a different version RTX 2080Ti - is that safe?  Worst case I can break out my eeprom programmer but I'd rather avoid that.

 

1959158228_gpuzimage.gif.97f1f78f91dce41a54df6e6ad4685a62.gif

Does your card have a dual BIOS? 

I know from experience with my now RMA'd RTX 3090 that updating just 1 BIOS is not enough when there are multiple BIOS' - all need to be updated for changes to take effect. 

It was when Resizable BAR became a thing, I had to update the 3090 for it to support Resizable BAR and when I first updated the Quiet-BIOS, because it was the one I was using, Resizable BAR did not work. I also had to update the Performance-BIOS. 

There's no place like 127.0.0.1 💙

 

Expand for setup details:

 

MOBO: ASUS ROG STRIX Z370-F Gaming  

CPU: Intel Core i7-8700K@4.7GHz, -0.095mV (Custom CNP-IHS + LM) 

CPU COOLER: CORSAIR Hydro Series H100x + 2x CORSAIR 120LL RGB

GPU: ASUS ROG STRIX RTX 3080 Ti OC LC@2115MHz + GDDR6X 20Gbps OC 

RAM: G.SKILL TridentZ RGB 4x8GB@3700MHz, 16-16-16-36, 1.35V (XMP Profile + 100MHz)

PCIe USB-A BOARD: ST Lab PCI-e 3.0 USB 3.1 (4x USB-A ports)

NVMe SSD: Samsung 970 EVO Plus 1TB 

#1 SATA SSD: Crucial MX500 2TB (1.05TB Partition RAID 0 striped with #2 SATA SSD: MX300)

#2 SATA SSD: Crucial MX300 1.05TB (RAID 0 striped with 1.05TB Partition on #1 SATA SSD: MX500)

PSU: CORSAIR HXi Series HX1200i (1200 Watt 80-PLUS Platinum)

CASE: CORSAIR iCUE 7000X RGB TG

CASE FANS: 4x CORSAIR SP140 RGElite, 2x CORSAIR 120LL RGB

#1 MONITOR: Samsung 49" Odyssey CRG9 QLED (32:9, 5120x1440p@120Hz, 8bit RGB, HDR1000)

#2 MONITOR: Philips 34" 346B1C (21:9, 3440x1440p@100Hz, 8bit RGB) [used on Svive Racing D1 SIM Cockpit]

SPEAKERS: CORSAIR SP2500 + FX Audio DAC-X6

 

Full specs and setup details on my profile-page

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17 hours ago, BetteBalterZen said:

Does your card have a dual BIOS? 

I know from experience with my now RMA'd RTX 3090 that updating just 1 BIOS is not enough when there are multiple BIOS' - all need to be updated for changes to take effect. 

It was when Resizable BAR became a thing, I had to update the 3090 for it to support Resizable BAR and when I first updated the Quiet-BIOS, because it was the one I was using, Resizable BAR did not work. I also had to update the Performance-BIOS. 

Nope, as far as I know it only has 1 vbios . . .

 

https://www.evga.com/products/Specs/GPU.aspx?pn=7a4e8c36-a4eb-4be1-b097-0b4cb97807da

Clevo p377sm-a | 3.9ghz i7 4800mq | SLI GTX 970m 6gb, 1236mhz core, 1404mhz mem | 24gb DDR3 | No BGA crap found here

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5 hours ago, aarpcard said:

Yeah I can't find anything related to a dual-BIOS either... If I were you, I'd contact EVGA and talk to them about the situation. They are probably the only ones that can really help you. 

There's no place like 127.0.0.1 💙

 

Expand for setup details:

 

MOBO: ASUS ROG STRIX Z370-F Gaming  

CPU: Intel Core i7-8700K@4.7GHz, -0.095mV (Custom CNP-IHS + LM) 

CPU COOLER: CORSAIR Hydro Series H100x + 2x CORSAIR 120LL RGB

GPU: ASUS ROG STRIX RTX 3080 Ti OC LC@2115MHz + GDDR6X 20Gbps OC 

RAM: G.SKILL TridentZ RGB 4x8GB@3700MHz, 16-16-16-36, 1.35V (XMP Profile + 100MHz)

PCIe USB-A BOARD: ST Lab PCI-e 3.0 USB 3.1 (4x USB-A ports)

NVMe SSD: Samsung 970 EVO Plus 1TB 

#1 SATA SSD: Crucial MX500 2TB (1.05TB Partition RAID 0 striped with #2 SATA SSD: MX300)

#2 SATA SSD: Crucial MX300 1.05TB (RAID 0 striped with 1.05TB Partition on #1 SATA SSD: MX500)

PSU: CORSAIR HXi Series HX1200i (1200 Watt 80-PLUS Platinum)

CASE: CORSAIR iCUE 7000X RGB TG

CASE FANS: 4x CORSAIR SP140 RGElite, 2x CORSAIR 120LL RGB

#1 MONITOR: Samsung 49" Odyssey CRG9 QLED (32:9, 5120x1440p@120Hz, 8bit RGB, HDR1000)

#2 MONITOR: Philips 34" 346B1C (21:9, 3440x1440p@100Hz, 8bit RGB) [used on Svive Racing D1 SIM Cockpit]

SPEAKERS: CORSAIR SP2500 + FX Audio DAC-X6

 

Full specs and setup details on my profile-page

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