You have flash chip --> read marking --> size of flash chip
Run attached fillfile.exe as fillfile.exe a.bin N 255, where N = size of flash chip MINUS size of bootblock.bin (dec number)
Make BIN copy /b a.bin+bootblock.bin TESTBIOS.BIN
Test size of TESTBIOS.BIN - must be equal size of flash chip.
Flash testbios.bin and run in recovery mode.
Rename
file-AFCCAA0E-E825-441E-A353-157F1E9D8289.free-00.fd to bootblock.bin for simplicity.
Run attached fillfile.exe as
fillfile.exe a.bin N 255, where N = size of flash chip MINUS size of bootblock.bin (dec number)
Make BIN
copy /b a.bin+bootblock.bin TESTBIOS.BIN
Test size of TESTBIOS.BIN - must be equal size of flash chip.
Flash testbios.bin and run in recovery mode.