the way i've heard is Doctor V64...
http://n64.icequake.net/mirror/www.p...n64/backup.htm but it is old and they dont sell it anymore.
i also found this website:
http://members.xoom.virgilio.it/slaa...up/backup.html which talks about N64 backups and Nintendo's copy protection.
and no, you dont need an N64 BIOS. it's HLE emulated
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