I have all this info

:
MK1:
540M CPU with switchable graphics in BIOS:
– ATI Radeon™ HD5650, 512MB dedicated VRAM
– Intel QM57 video controller, max. 1024MB UMA VRAM on XP
• 520M CPU:
– Intel QM57 video controller, max. 1024MB UMA VRAM on XP
• 350M CPU:
– Intel HM55 video controller, max. 1024MB UMA VRAM on XP
MK2:
2540M CPU with switchable graphics in BIOS: – ATI Radeon™ HD6750, 512MB dedicated VRAM
– Intel QM67 video controller, max. 1428MB shared VRAM with 32-bit
■ 2520M CPU:
- Intel QM67 video controller, max. 1428MB shared VRAM with 32-bit
■ 2310M CPU:
– Intel HM65 video controller, max. 1428MB shared VRAM with 32-bit
Mk3:
3360M CPU with switchable graphics in BIOS:
– ATI Radeon™ HD7750, 512MB dedicated VRAM
– Intel QM77 video controller, max. 1785MB shared VRAM with 32-bit
3320M CPU:
– Intel QM77 video controller, max. 1419MB shared VRAM with 32-bit
3110M CPU:
– Intel HM75 video controller, max. 1419MB shared VRAM with 32-bit
Mk4:
3380M CPU with switchable graphics in BIOS:
– ATI Radeon™ HD7750, 512MB dedicated VRAM
– Intel QM77 video controller, max. 1785MB shared VRAM with 32-bit
3340M CPU:
– Intel QM77 video controller, max. 1419MB shared VRAM with 32-bit
3120M CPU:
– Intel HM75 video controller, max. 1419MB shared VRAM with 32-bit
Mk5:
HD Graphics 5500, max. 1785MB shared VRAM with Windows 8.1 32-bit