| Feature | 5.163 for DOS | 5.590+ for DOS/UEFI | |--------|----------------|----------------------| | Kepler/Maxwell (600-900 series) | Perfect | Good | | Pascal (GTX 1000 series) | Limited (GP104 works, GP102 unstable) | Better | | Turing/Ampere/Ada | Not supported | Supported | | EEPROM write protection bypass | Manual | Automatic sometimes | | BIOS signature checks | None (after override) | Strict | | UEFI Shell compatibility | No | Yes | | Cross-flashing ease | Very easy | Difficult (needs patched version) |
Verdict: For cards GTX 600 through GTX 980 Ti, 5.163 for DOS remains the most forgiving and reliable option. For GTX 1000 series, try 5.163 first, but fall back to 5.590 if you get errors. For RTX cards, do not use 5.163. nvflash 5.163 for dos
Version 5.163 was released around the time of the GeForce GTX 600 and 700 series (Kepler and early Maxwell). Back then, many enthusiast forums recommended DOS flashing because Windows tools were notorious for crashing mid-flash. Over time, even as Windows versions improved, the DOS version remained the gold standard for reliability. | Feature | 5
Here are common scenarios that call for this specific tool: Version 5
