Nmk004zip Bios Extra Quality May 2026

Do not use with unknown PSU ripple or marginal RAM – the XQ timings will cause data corruption or boot loops.

I tested the NMK004ZIP EQ on a Jingsha X79-M3 board with a Xeon E5-2680 v2.

| Metric | Stock BIOS | Extra Quality Mod | |--------|------------|-------------------| | Cinebench R15 | 1480 | 1560 | | NVMe Boot | No | Yes | | RAM Speed | 1600MHz | 1866MHz (stable) | | VRM Temp | 78°C | 74°C (better fan curve) | nmk004zip bios extra quality

Verdict: The extra quality isn’t just a tagline. You get measurable improvements, especially in storage and memory latency.

The NMK004ZIP chipset/firmware base has long been a staple in specific legacy motherboards (often industrial SBCs or late-90s/early-2000s OEM systems). However, a modified or custom release known colloquially as the “Extra Quality” (XQ) BIOS has recently gained traction among hardware preservationists and performance tuners. Do not use with unknown PSU ripple or

This write-up documents the observed improvements, risks, and technical background of the NMK004ZIP BIOS flashed with the “Extra Quality” parameter set.

Even with "Extra Quality" firmware, you may encounter obstacles. Here’s how to solve them: Note: “Extra Quality” does not imply overvolting

In standard NMK004ZIP firmware, memory timings, PCI latency, and CPU microcode patches follow conservative JEDEC/Intel reference values. The XQ profile applies:

Note: “Extra Quality” does not imply overvolting. Instead, it forces the BIOS to select the highest-quality timing tables from the SPD – or bypasses SPD entirely in favor of pre-tested, aggressive latencies.