You need 4MB bios flash for that chip and latest one from HP site is 5.6mb so its incorrect size. Try to search previous versions on HP site or check your motherboard model version ( its on the motherboard when you look closely) look this http
/howtofindyourpartnumber.com/toshiba-pns/ and 3rd picture there is number ending with MB-A03 its like that you find it somewhere on the mobo, then search dump file with that
