This worked for me, it might not for you.
No warranty.
Use at your own risk.

Tested on an ECS K7S5A PRO 5.0

0811F642.ROM: HoneyX 030811 OC BIOS with FastWrites Support.
              Patched with VT6421A boot rom.
6421V431.ROM: VT6421A boot rom.
AMIBCP75.EXE: BIOS Modification Utility.
AMINF336.EXE: BIOS Flash Utility.
HX0811.ZIP  : HoneyX original BIOS ROMS.
