: In many cases, it allows the drive to bypass "sleep" or "idle" bugs that can cause UHD rips to fail or slow down. The "Hot" Pursuit: Flashing and Downgrading
The BU40N is an ultra-slim laptop-style drive. Because it lacks a dedicated internal fan and has a small physical footprint, it generates significant heat during the 45–90 minute process of ripping a 4K disc. bu40n 100 firmware hot
It sounds like you’re asking about the (a slim internal Blu-ray drive) and possibly a “hot” or unofficial/beta flash, or the “BU40N 1.00” firmware used for enabling LibreDrive or UHD ripping. : In many cases, it allows the drive
Later firmware revisions reduce the spindle motor speed during idle and error recovery. Version 1.00 keeps the disc spinning faster for longer, increasing friction-based heat and motor driver temperature. It sounds like you’re asking about the (a
is a "UHD-friendly" drive, but factory updates often lock down the very features hobbyists need. Version 1.00 is prized for several key reasons:
If you buy a brand-new BU40N today, it will almost certainly come with a newer firmware (like 1.03 or 1.04). Manufacturers do this specifically to close the loopholes that allow for 4K ripping.