Table: atom_processors
Columns: model_number
sspec_number
frequency
l2_cache
fsb
mult
voltage
tdp
socket
release_date
part_number_s
release_price_usd

Question: Name the fsb for atom z540
SQL: SELECT "fsb" FROM atom_processors WHERE "model_number" = 'Atom Z540'

Question: Name the frequency for part number of ac80566ue041dw
SQL: SELECT "frequency" FROM atom_processors WHERE "part_number_s" = 'AC80566UE041DW'