Contents of the default asic-freq file (located in /etc/config/) (same location as S1)
config 'asic-freq' 'default'
#option 'freq_value' '0982' #225M
#option 'chip_freq' '250'
#option 'timeout' '16'
#option 'freq_value' '1286' #237.5M
#option 'chip_freq' '237.5'
#option 'timeout' '17'
#option 'freq_value' '0882' #225M
#option 'chip_freq' '225'
#option 'timeout' '18'
option 'freq_value' '1106' #218.75M
option 'chip_freq' '218.75'
option 'timeout' '18'
#option 'freq_value' '1086' #212.5M
#option 'chip_freq' '212.5'
#option 'timeout' '18'
#option 'freq_value' '0782' #200M
#option 'chip_freq' '200'
#option 'timeout' '20'
#option 'freq_value' '1f07' #196M
#option 'chip_freq' '196'
#option 'timeout' '20'
#option 'freq_value' '0f03' #193M
#option 'chip_freq' '193'
#option 'timeout' '20'
#option 'freq_value' '0d83' #175M
#option 'chip_freq' '175'
#option 'timeout' '23'
#option 'freq_value' '0b83' #150M
#option 'chip_freq' '150'
#option 'timeout' '27'
#option 'freq_value' '0983' #125M
#option 'chip_freq' '125'
#option 'timeout' '33'
Looks like a typo on that top one. Looks like it should be labelled #250M. So there are three OC options already in the config then.