Adrian's Rojak Pot has posted rev. 8.3 of their BIOS Optimization Guide

This release features these 12 new BIOS features :-

- Adjacent Cache Line Prefetch
- AGP/PCI Burn-in Mode
- Burn-In Mode
- CPUID Maximum Value Limit
- CPU Adjacent Sector Prefetch
- Host Burn-in Mode
- NX Technology
- PEG Link Mode
- PCI Burn-in Mode
- PCI Express Burn-in Mode
- Silent Boot
- XD Technology

There is also 1 updated BIOS feature :-

- Video Memory Cache Mode

BIOS Optimization Guide Rev. 8.3