(This information stems from a french forum post which I'll not link here to avoid legal issues)
I believe this information is about the 360 variant of the drive.
According to TheSpecialist the firmware has a checksum which is verified at the start of the firmware at offset 0x000099.
By patching the bytes
C8 23 FC in
CC 23 00 the checksum is bypassed and the console starts without problem!
Addresses in firmware (47DH):