The Capcom Play System 2 (CPS-2) utilizes a split A-board/B-board architecture with a high-security encryption system requiring a 3.6V "suicide battery" to maintain a decryption key, rendering the hardware non-functional if the battery dies. While not using a traditional BIOS file, modern preservation methods include installing Infinikeys or using decrypted "Phoenix" ROMs to bypass this requirement. Learn more about the technical details of the CPS-2 encryption at Arcade Hacker Capcom CPS2 Suicide Battery Replacement
For decades, thousands of Marvel vs. Capcom and Street Fighter Alpha 3 PCBs became expensive paperweights. cps 2 bios
Over the years, several variants of the CPS 2 BIOS have been released, each with its own set of features and improvements. Some of the most notable variants include: The Capcom Play System 2 (CPS-2) utilizes a
The top daughterboard containing the actual game ROMs and the Motorola 68000 CPU. Capcom and Street Fighter Alpha 3 PCBs became
By understanding the CPS 2 BIOS and its role in the development of iconic arcade games, we can appreciate the innovation and creativity of game developers and the impact of this legendary system on the gaming industry.
The emulation and arcade restoration community fought back. Programmers reverse-engineered the encryption. The result was the (also known as the "Suicide Free" BIOS).