: If you have repeatedly erased and verified the chip but the error persists at address 0h, the memory cell at that location may be physically "stuck" or damaged. Step-by-Step Troubleshooting Help Needed: BIOS Flash Error on HP 820 G1 with EZP2019+
High speed is the enemy of reliability, especially with long wires or in-circuit programming. flash check error address 0h ezp2019
Before writing, you must ensure the chip is blank. : If you have repeatedly erased and verified