bios brick asrock fatal1ty h87 performance

[ManuRiy]

Hello,

Following incorrect handling of the bios, the motherboard no longer starts, the screen remains black.

I have a small USB reader to reprogram the bios chips, the motherboard is equipped with two Winbond W25q64 chips with a capacity of 8 MB.

The latest bios file from the asrock h87perf2.70 site is 8192 kb so it does not fit on the 8000 kb chip. 

I think I'm missing something, does anyone know how to do it? 

Thanks for the help 

Manu