Originally Posted by infrequentflyer789: Nothing. There is no AOA protection outside of normal law.
Posted by CONF iture: Incorrect
IIRC 'low speed stability' is the only anti-stall feature left in ALT(1). Is is a 'soft' resistance to stalling, overridable by the pilot. It is lost in ALT(2)
in case of failure of 2 ADRs.