Details regarding compatibility can be found in the Firmware Release Notes below.
Release Notes
Please review the Release Notes before updating the Rock's firmware to ensure compatibility with your Alcatraz Platform Software: Rock Firmware Release Notes
To determine if P1 or CR firmware is required, review the "Board Type," which can be found on the Rock's detail page. If both firmware packages are added to the platform, the Rock will download the appropriate one.
Download Links (P1 Firmware)