HP 8710w Bios Downgrade

[meylo]

HP 8710w notebook also installed the latest bios version F.20 I would like to reduce it, but he fails to release the old bios.


What can I do.


Thanks

[lietuvis]

Hello. Can somebody help to downgrade bios, I have SPI programmer but problem is that chip is 4mb and hp bios rom is only 1mb. Is it  posible to edit or anything to flash  older bios to chip? 
here is backup and original bios rom files :
 https://www.dropbox.com/sh/x18krign84vx8...swN4a?dl=0

[biosyuihung]

Hello. Can somebody help to downgrade bios, I have SPI programmer but problem is that chip is 4mb and hp bios rom is only 1mb. Is it  posible to edit or anything to flash  older bios to chip? 
here is backup and original bios rom files :
 https://www.dropbox.com/sh/x18krign84vx8...swN4a?dl=0

Hello,
Your problem be solved?