CREATE TABLE table_10485 ("Retail name" TEXT, "Chipset based on" TEXT, "Digital/analog signal" TEXT, "AVIVO" TEXT, "Available interface" TEXT)

What is the Digital/analog signal with a Chipset based on with radeon 8500?
SELECT "Digital/analog signal" FROM table_10485 WHERE "Chipset based on" = 'radeon 8500'
SELECT "Digital/analog signal" FROM "table_10485" WHERE "Chipset based on" = 'radeon 8500'