CREATE TABLE table_80017 ("Model" CLOB, "Code name" CLOB, "CPU support" CLOB, "FSB / HT  ( MHz ) " CLOB, "Southbridge" CLOB)

What shows for Southbridge when the Model number is amd-640 chipset?
SELECT "Southbridge" FROM table_80017 WHERE "Model" = 'amd-640 chipset'
SELECT "Southbridge" FROM "table_80017" WHERE "Model" = 'amd-640 chipset'