Mcpx Boot Rom Image Site

Unlike the main BIOS (Flash ROM), which sits on a separate chip, the MCPX ROM is physically part of the Nvidia-manufactured MCPX chip. This made it nearly impossible to dump using software alone for years. : Exactly 512 bytes.

Because the MCPX ROM is proprietary Microsoft code, it is not legally distributed with emulators and must be dumped from physical hardware. Mcpx Boot Rom Image