1,4d0
< Reading show-scan register:
<  Address    0  1  2  3    4  5  6  7    8  9  a  b    c  d  e  f
<            ff fe 00 00   00 00 00 00   00 00 00 00   00 00 00 00  
< 
20a17,20
> Reading verify register:
>  Address    0  1  2  3    4  5  6  7    8  9  a  b    c  d  e  f
>            ff ff ff ff   ff ff ff fe   ff fe ff fe   ff fe ff fe  
>