Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_17 (chipset VARCHAR, model VARCHAR, memory VARCHAR, fsb__mhz_ VARCHAR)

### Question ###
What is the chipset in the Precision 340 model that has the rambus memory and 400 or 533 FSB (MHz)?

### Accurate SQL ###

SELECT chipset FROM table_name_17 WHERE memory = "rambus" AND fsb__mhz_ = "400 or 533" AND model = "precision 340"