HP 591416-001 - System board (motherboard) - For use only with models equipped with discrete graphics (includes replacement thermal material) Retail
HP 598670-001 - System board (motherboard) - Features discrete graphics and WWAN capability - Includes RTC battery and replacement thermal material Retail
HP 486299-001 - System board - With 128MB discrete graphics subsystem memory - Includes replacement thermal material Retail
HP 747263-001 - System board (motherboard) - Features the Intel HM76 chipset and 1GB discrete graphics memory - Includes replacement thermal materi Retail
