Demul Mpr- 21931. Ic501 [better] ◎

On a physical Sega Dreamcast motherboard (specifically revision VA1), refers to the chip, which is labeled as ConsoleMods Wiki Solution: How to Fix the Error

The most effective way to resolve this is to ensure your BIOS filenames match what the emulator expects. 1. Locate your BIOS Files demul mpr- 21931. ic501

If you are seeing this error while trying to launch a game, follow these steps to resolve it: Source the BIOS refers to the chip