Summary
- Resistances
- VCore – 1Ω
- VMem – 23.3Ω (Samsung K4G80325FC-HC25)
- VDCCI – 24Ω
- Display Rail – 21.8Ω
- 1.8V – 2.83KΩ
- 5V – 9.9KΩ
- 3.3V – 14.6KΩ
- 12V – 30KΩ+ (Slot), ~6KΩ (8 pin)
- Error 43 in Device Manager, BIOS looks OK, suspected VRAM
- In terms of confirming a VRAM issue, there are no vertical bar artefacts, only the Python scripts.
- I do have a couple of the right kinds of chips in stock, so I could try replacing the last two chips.
Script dmgg.py output seems to suggest an issue in channel D (chips 7 and/or 8)
The direct-mem-test.py script also suggests a VRAM error, but I don’t know how to tell which chip:
I tried running tserver using the rx 470 profile and it thinks that channel B has issues: