If you already downloaded the CHD:
This contains the BIOS and initial boot data. Marvel Vs Capcom 2 Chd Download Mame
MAME emulates the NAOMI perfectly today. However, the "cartridge" for MvC2 is massive (over 500MB). To save space and maintain data integrity, the MAME team uses the (Compressed Hunks of Data). Without the CHD, MAME will load the BIOS, see a missing drive, and crash. If you already downloaded the CHD: This contains
Setting up the emulator is as important as the files. MAME will load the BIOS
