- I’m troubleshooting a Gigabyte RTX 3080 Ti Gaming OC that throws read errors on all the vram chip.
- The card powers on and fans spin, but memory initialization fails.
- Powered-on measurements show FBVDDQ at 1.36 V and PEX_DVDD / PS_PEXDVDD_SW at ~0.96 V, while thermal imaging shows the FBVDDQ inductor heating up.
- Powered-off resistance tests reveal FBVDDQ Bank ~50 Ω and NVVDD ~1 Ω.
- Looking for advice on whether this pattern points to shorted GDDR6X chips or GPU internal issues, and how to identify which specific VRAM chips need replacing.
- The card powers on and fans spin, but memory initialization fails.
- Powered-on measurements show FBVDDQ at 1.36 V and PEX_DVDD / PS_PEXDVDD_SW at ~0.96 V, while thermal imaging shows the FBVDDQ inductor heating up.
- Powered-off resistance tests reveal FBVDDQ Bank ~50 Ω and NVVDD ~1 Ω.
- Looking for advice on whether this pattern points to shorted GDDR6X chips or GPU internal issues, and how to identify which specific VRAM chips need replacing.
