Taken from ATUHM user manual:

[Core Processor Maintenance]
ATUHM’s central core processor is located in the cockpit, behind the main control monitor. Activating the Dashboard Release Cover (DRC) will allow easy access to the core compartment.

Please note: Core processor repair or replacement should only be attempted by Ryft Industries’ certified technicians.

Danger Zone One. Story by Midnight. Art by Tanabata Usagi.