Toshiba Portege Z830-10D part number PT225E motherboard model: falzsy1 a3162a when i press the power button the laptop no power on i search forbios on the internet but we not find a bios for this model 8MB chip bios name is W25Q64, 8 MB bios.bin and on your web bios size is 4 MB i want bios for this model 8MB thanks