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_10489 ( "Retail name" text, "Chipset based on" text, "Digital/analog signal" text, "AVIVO" text, "Available interface" text )

### Question ###
What is the Digital/analog signal with an Available interface with pci express, with Retail name with all-in-wonder x600 pro?

### Accurate SQL ###

SELECT "Digital/analog signal" FROM table_10489 WHERE "Available interface" = 'pci express' AND "Retail name" = 'all-in-wonder x600 pro'