CONFIG_SIBYTE_STANDALONE_RAM_SIZE is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_SIBYTE_STANDALONE_RAM_SIZE.
Result is shown for kernelversion 5.4.123

Memory size (in megabytes)

configname: CONFIG_SIBYTE_STANDALONE_RAM_SIZE

Linux/MIPS Kernel Configuration
└─>Machine selection
└─>Memory size (in megabytes)
In linux kernel since version 2.6.12