Answer

First you will have to enable IGD Multi Monitor option to change the setting of the share memory, only a few steps by the folowing:
1. Settings/ Intergrated Graphics Configuration/ IGD multi-monitor/Enable
2. After you have enabled IGD multi-monitor, the Intergrated Graphics Share Memory option will appear, from the options you can choose from 32M to 1024M of the Intergrated Graphics Share Memory.

Models

  • A55M-E35
  • A75A-G55
  • FM2-A55M-P31
  • A58-G41 PC Mate
  • A88XM-E35
  • A78M-E35
  • A78M-E45 V2
  • A88X-G41 PC Mate
  • A78M-E35 V2
  • FM2-A75MA-P33
  • FM2-A85XA-G65
  • A55-G45
  • A75MA-P35
  • A88XM-E35 V2
  • A88XM-P33
  • FM2-A55M-E35
  • FM2-A85XA-G43
  • FM2-A85XMA-P33
  • A88XM-P33 V2
  • A68HM-E33
  • A55M-P35
  • A75MA-G55
  • A58M-E33
  • FM2-A55-G43
  • A78-G41 PC Mate
  • A88X-G41 PC Mate V2
  • A68HM-E33 V2
  • A88XM-E45
  • A88XM-E45 V2
  • A55M-E33
  • A55M-P25
  • FM2-A55M-E33
  • A75A-G35
  • A88X-G43
  • FM2-A75IA-E53
  • FM2-A55M-P33
  • A55M-P33
  • A55-G41 PC Mate
  • A68HM-P33
  • A78M-E45
  • FM2-A75MA-E35
  • FM2-A75MA-P31
  • FM2-A85XA- G65
  • A55-G35
  • A68H PC Mate
  • FM2-A85XMA-E35
  • A58M-E35