F5F Stay Refreshed Hardware Desktop PCIe lanes remain locked at one lane in a 16-pin slot

PCIe lanes remain locked at one lane in a 16-pin slot

PCIe lanes remain locked at one lane in a 16-pin slot

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nessie22
Member
58
11-25-2021, 04:14 PM
#11
Changed many chipset drivers using a third-party tool and recently encountering more PCIe receiver issues, progressing quickly.
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nessie22
11-25-2021, 04:14 PM #11

Changed many chipset drivers using a third-party tool and recently encountering more PCIe receiver issues, progressing quickly.

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DRGNdragsYT
Senior Member
723
12-01-2021, 03:16 PM
#12
Removed drivers from Device Manager, using custom install with latest Nvidia driver (clean install selected). Feeling cautious about BIOS but fewer issues now. Seemed a few drivers were present on the C drive, one from my old GPU. GPU Z shows jumping 1.1 - 3.0 PCIE X16 which is positive.
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DRGNdragsYT
12-01-2021, 03:16 PM #12

Removed drivers from Device Manager, using custom install with latest Nvidia driver (clean install selected). Feeling cautious about BIOS but fewer issues now. Seemed a few drivers were present on the C drive, one from my old GPU. GPU Z shows jumping 1.1 - 3.0 PCIE X16 which is positive.

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pertipoju
Member
187
12-01-2021, 04:20 PM
#13
Returned to the basics – I accessed the BIOS and turned on XMP.
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pertipoju
12-01-2021, 04:20 PM #13

Returned to the basics – I accessed the BIOS and turned on XMP.

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NetherFlamesz
Junior Member
17
12-01-2021, 05:11 PM
#14
I retrieved the card and reinstalled my old RTX 2070 Super. The BIOS recognized 3.0 x16 immediately. I enabled XMP settings. After opening Windows, I confirmed the update. I powered off the PC, inserted the 5070 graphics card, and launched it into Windows. It booted with 3.0 X1. I put the machine to sleep, then restarted. The PCIE x16 interface appeared. Problem solved.
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NetherFlamesz
12-01-2021, 05:11 PM #14

I retrieved the card and reinstalled my old RTX 2070 Super. The BIOS recognized 3.0 x16 immediately. I enabled XMP settings. After opening Windows, I confirmed the update. I powered off the PC, inserted the 5070 graphics card, and launched it into Windows. It booted with 3.0 X1. I put the machine to sleep, then restarted. The PCIE x16 interface appeared. Problem solved.

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Killerman1834
Posting Freak
885
12-01-2021, 08:43 PM
#15
This suggests the BIOS power management options might be the cause, especially since the card resets each sleep cycle. I recommend inspecting the PCIe panel in BIOS for settings like ALPM and adjusting them accordingly—turning off aggressive power modes or toggling between OS levels. Be aware that improper power management can affect desktop CPU performance, and repeatedly flashing the BIOS during startup may lead to hardware issues over time.
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Killerman1834
12-01-2021, 08:43 PM #15

This suggests the BIOS power management options might be the cause, especially since the card resets each sleep cycle. I recommend inspecting the PCIe panel in BIOS for settings like ALPM and adjusting them accordingly—turning off aggressive power modes or toggling between OS levels. Be aware that improper power management can affect desktop CPU performance, and repeatedly flashing the BIOS during startup may lead to hardware issues over time.

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LydiaJane25
Junior Member
25
12-16-2021, 02:30 AM
#16
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LydiaJane25
12-16-2021, 02:30 AM #16

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_xxtarget_xx
Member
66
12-16-2021, 09:20 PM
#17
I owned a Gigabyte board during the Core2Duo period that would self-destruct after repeated reflashing failures, often shutting down in under 100 flashes. BIOS isn't EEPROM anymore—UEFI uses flash memory (NAND/NOR). Continuous BIOS flashes can exhaust the device's capacity.
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_xxtarget_xx
12-16-2021, 09:20 PM #17

I owned a Gigabyte board during the Core2Duo period that would self-destruct after repeated reflashing failures, often shutting down in under 100 flashes. BIOS isn't EEPROM anymore—UEFI uses flash memory (NAND/NOR). Continuous BIOS flashes can exhaust the device's capacity.

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Hampus07
Member
217
12-18-2021, 09:05 PM
#18
They function as NOR, not EEPROM, yet they meet the 100,000 P/E cycle rating from the datasheet for a typical bios chip. That’s sufficient to ensure reliability.
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Hampus07
12-18-2021, 09:05 PM #18

They function as NOR, not EEPROM, yet they meet the 100,000 P/E cycle rating from the datasheet for a typical bios chip. That’s sufficient to ensure reliability.

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