Demul Mpr- 21931. Ic501 Jun 2026

: Demul requires a designated directory, often titled "ROMs" , where BIOS files are stored. If the emulator is not directed to the correct path, it will fail to locate the ic501 component.

refers to the physical location of the BIOS chip on the original Dreamcast motherboard. demul mpr- 21931. ic501