Today, I encounter a strange case for Hitachi 5416 family. The drive can’t be detected and firmware can’t be accessed when boot from SA-A. However, after boot from SA-C, firmware can be accessed and no key modules are corrupted by firmware check.
Picture 1 change boot flag from “0401″ to “0400″
Picture 2 Firmware can be accessed when boot from SA-C
I know it should be firmware problem, but the point is I don’t which firmware module is related. It needs to overwrite module one by one to check, but I can’t do that as it’s a client’s drive. This case puzzle me and I kept thinking about it during sleep at night. However, still not clue!
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