Neo-Geo MVS Universe BIOS 4.0 EPROM

This IC is used to replace your stock Neo-Geo MVS BIOS with the Universe BIOS (AKA "UNIBIOS"). Specifically this is a 27C1024 EPROM designed for the MVS board models:

• MV-1
• MV-1A(CH)
• MV-1F(S/T)
• MV-1FZ
• MV-2F
• MV-4F
• MV-6F

The following board models also work but require a socket to be installed after desoldering the old mask ROM:

• MV-1AX
• MV-1ACHX

This upgrade is not compatible with the following MVS board models:

• MV-1B
• MV-1C