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Hi! Send me or post here your file bios backup, I'll take a look. On the first page you can read how you can prepare your bios backup.

Just done messing up with bios write protection. PchBiosWriteProtect BIOS lock 00 B2 FE 48 81 C1 DC => 00 B2 FF 48 81 C1 DC SMI lock 00 B2 20 48 81 C1 DC => 00 B2 00 48 81 C1 DC PchSpiRuntime 00 00 B2 FE B9 DC 80 => 00 00 B2 FF B9 DC 80 Checked on ther F.73 bios version. Unfortunately, in F.73 bios FDO hotkey is banned - nb just turns off right after start, so additional flash descriptor region edit is needed. Here is patched bios section binary for your needs. It contains: no WWAN/WLAN/Bluetooth whitelist, no SecureUpdating module, no CompuTrace modules, BIOS lock removed, no_ASPM_bit in FACP is reset. No NVRAM. How to flash: Get a full dump of your stock bios, make a backup Extract the NVRAM section from it with UEFITool (BIOS Region => FFF12B8D-7696..., Extract as is) In hex editor open the full dump and replace bios section, start address 0xB00000 ($LOGO string) Replace the NVRAM section with yours in UEFITool (Replace as is) Edit FDT at address 0x60 00 00 0B 0A 00 00 0D 0C 18 01 08 08 => 00 00 FF FF 00 00 FF FF 18 01 FF FF And flash it with hardware programmer. Possible issues: don't know why WIn8.1 boots too long, because of edited bios, shrinked MEI or just because it can. As for mSATA, i'm not succeed at this time, maybe later. If someone want to try search where is satacontroller is initialized, here is the list with modules that different between 2570p and 8770w (don't checked bios versions though). 2570-8770 module diff list.zip