I'd like to accept the solution if it's alright with you. I agree it should be adopted the way that makes a baseline even. I've submitted the run without thinking so much about this point and I apologize for it. I appreciate your tolerant measures.

I researched about the replacement HDD on PlayStation.com. At least It's not voided in Japan unless the changing HDD is a direct source of trouble. Actually, they actively explain the way to replace HDD by consumers in playstation support. It's no problem as long as the HDD is in conformity to the certain standards. https://support.us.playstation.com/articles/en_US/KC_Article/Upgrade-the-PS3-Hard-Disk-Drive-HDD Besides, they mentioned the replacement to an SSD about PS4 pro in japanese support and they say the reading time of save and load improves. https://support.jp.playstation.com/app/answers/detail/a_id/13310 It's legal and whoever is able to do this but I'm afraid I didn't know the replacement HDD isn't general on Speedrun. I also understand there's a baseline comparison problem and I'll abide by decision.

OK now I understand. Changing HDD to an SSD permits to shorten the time of full-game speedrun but it's certainly related to the baseline comparison. Anyway I'll follow the rule once it's been decided.

As for this run, just in case I've gotten confirmation from Keyn Naka beforehand on the condition I write that situation in the notes. The replacement of HDD can be easily set up with tightening and loosening a screw, and SONY's warranty for repairing isn't voided by that. I think 'tampering' is exaggerated expression though, If PS3 Hard Drive replacement isn't allowed on Speedrun.com I don't care that the permission for this full-game run is revoked. If there's a next run, I revert it back to the 5400rpm HDD. I'm sorry for confusing you. thanks.