Look at the physical circuit board. Do not look at the Samsung chip itself; look at the text printed on the green PCB.
Beware of “driver download” sites that require surveys or credit cards. No paid driver exists for the S3c2410x. All original drivers were released under GPL or BSD-style licenses. S3c2410x Driver Download
Because these drivers are often unsigned, you may need to boot Windows into "Disable Driver Signature Enforcement" mode before attempting installation. Manual Update: Look at the physical circuit board