I'm not actually the one maintaining the files. That would the be the user "uncleraven". Hopefully he's glancing over this thread from time to time and can see the problem you've had. Also, there are 4 BIOS .rom files included in that package from uncleraven. Two are the original ones and the other two (ending in "_SLIC") are the modified versions. Did you try the ones ending in "_SLIC"?
You must flashing from DOS Code: flashspi xxxx.fyz /C /D /E This mode (SSV3/ACPITbl at end/OEM4(5)) is full working.