HP 0B4Ch | HP Workstation Z400

Hi all.

I started this thread in here because i couldn't find any threads related to this Mainboard yet. I want to "unlock" BIOS (overclocking) for HP Workstation Z400, but i really dont know where to start.

System Information:
Operating System: Windows 7 build 7600 (64-bit)
Motherboard Manufacturer: Hewlett-Packard
Motherboard Model: 0B4Ch
Motherboard Version: D
Chipset: Intel X58 Rev 13
BIOS Manufacturer: Hewlett-Packard
BIOS Version: HPQOEM - 20101029
BIOS Release Date: 2010/10/29

BiosAgent sais:
BIOS ID: 786G3 v03.15
BIOS OEM: 786G3 v03.15

Startupscreen says v03.15. There is a v03.54 available at HP's website, but i didn't want to update yet, not to deny further unlocking actions because of too new BIOS.

I looked through the mods in this board but couldn't find anything similar or useful.

Since it seems to be a OEM-BIOS i don't know if it's possible and if so where to start.

I appreciate any help