If being at 4.3 going back to a Sandy bios is downgrading.
A downgrade requires a special archive and is impossible without.
If wanting to downgrade to 1.19/7681v1J (latest Sandy bios) you must use the attached and NOT unpacked archive.
For BIOS Update...
A downgrade requires a special archive and is impossible without.
If wanting to downgrade to 1.19/7681v1J (latest Sandy bios) you must use the attached and NOT unpacked archive.
For BIOS Update...