This post just for my personal reference and hope it is helpful to you. A user requested driver for a notebook which uses this graphic, and there are no official driver from laptop manufacturer or ATI. So I found this driver which work fine in Windows 7. Turn out it was a Windows Vista drivers released by ATI.
Original Download link 1 – Google Drive : Download
Credit to : Hector Manressa (original youtube videos : watch?v=ILahFZp0QlE)