Unlock hard drive without eeprom

[/xbox]

My motherboard died (no video + flashing red/green light). I want to backup my savegames and other data but my HDD is locked from the softmod. I don't know how to unlock it. I do not have an eeprom backup. What should I do?
I have tried using LiveView to make an eeprom with all 1's as the unique key, but unlocking it with Slax/Xboxhdm2 on my old XP machine doesn't do anything, it just says its still locked. I have also tried plugging my drive into my Win11 PC with an IDE to USB adapter, and tried to use Xboxhdm2usb, but it's erroring out. I also tried the latest FatXplorer beta and it's not detecting the drive. My PC does detect the drive, however (obviously can't access it though).
Incase it helps, I initially softmodded my Xbox back in 2017, I don't remember what softmod it was but later on I upgraded my hard drive and locked it with whatever the latest version of Chimp was at the time. Years later I updated my softmod to Rocky5's.

submitted by /u/_ENunn_
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