Questions about GIGABYTE products > Motherboards with Intel processors

Cold boot problem after updating BIOS Z97X-Gaming 5

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Leopardi:
Update on this: boot problems disappeared by overclocking memory to 2133MHz and setting voltage to 1.56v.

Dunno why overclocking memory enables PCI-E 3.0 but it did.

shadowsports:

--- Quote from: Leopardi on December 16, 2020, 06:02:49 am ---Update on this: boot problems disappeared by overclocking memory to 2133MHz and setting voltage to 1.56v.

Dunno why overclocking memory enables PCI-E 3.0 but it did.

--- End quote ---

This is certainly good news. 

The issue is likely related to the memory's SPD detect in conjunction with the CPU, and not due to PCI-e spec.

Leopardi:

--- Quote from: shadowsports on December 16, 2020, 07:19:50 pm ---
--- Quote from: Leopardi on December 16, 2020, 06:02:49 am ---Update on this: boot problems disappeared by overclocking memory to 2133MHz and setting voltage to 1.56v.

Dunno why overclocking memory enables PCI-E 3.0 but it did.

--- End quote ---

This is certainly good news. 

The issue is likely related to the memory's SPD detect in conjunction with the CPU, and not due to PCI-e spec.

--- End quote ---
Manually setting the timings to as in default spec to 10-11-10-30@1866MHz doesn't work even at the higher 1.56v voltage. Though I wonder if the voltage setting even works, "Profile DDR voltage" in BIOS is greyed out at 1.5v and HWiNFO reports 1.5v - While the DRAM voltage setting is set to 1.56v in BIOS.

The Auto settings at 2133MHz are reporting 13-13-12-35.

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