Qing Pei Wang wrote:
i flashed the main bios, but the board always did the checksum failed,
I believe this happens because coreboot does not perform the special handshake before the patented timer expires.
the restore the bios to the legacy bios. Have you ever tried that? if flash the backup chip, how to make it boot first?
I think it should work if you flash both flash chips with coreboot. Then it will try to start from the first one, expire the timer, then start from the second one.
//Peter