Rpc8394 1.6 Tpm Reader Info

If Windows shows a yellow exclamation mark next to the security device, the system drivers or BIOS firmware might be outdated. Update your motherboard's BIOS to the latest version to ensure proper SPI/LPC bus addressing.

To understand how the RPC8394 operates, it is helpful to look at its core hardware architecture and bus compatibility: RPC8394 1.6 TPM reader