CONFIG_ALPHA_GAMMA is not available for thedefaultarchitecture x86.
Result is shown for architecture alpha
EV5 CPU(s) (model 5/xxx)?
configname: CONFIG_ALPHA_GAMMA
Linux Kernel Configuration
└─>System setup
└─>EV5 CPU(s) (model 5/xxx)?
In linux kernel since version 2.6.12
Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.