mainboard. With only of RAM, it was a modest heart, and that heart had skipped a beat. The firmware was corrupted.
Updating via USB is the standard method for unbricking or upgrading these boards when the screen is stuck. cvte msd338 512m update upd
An UPD file is signed. CVTE devices will an update signed with the correct private key. This prevents installing random firmware from other devices (even with the same MSD338). mainboard