Would the gigabyte gah81m s motherboard support asus gtx 1050 expedition???

Solution
What it's saying is the h81 chipset was released before the g3240. So while the cpu will fit the motherboard socket, the original h81 wasn't made to support it....if you got that motherboard sometime later, then it might actually have a bios that will support it.
You could just try the g3240 and see if it works, if not then put your old cpu back in and download the latest bios from the Gigabyte website and follow the instructions on how to flash your bios. The reason for testing it 1st, is because flashing the bios can...
I'm going to buy an Intel pentium g3240 so will it be bottlenecked with that graphics card and when I checked in PCPartPicker it said some h81m motherboards may require a bios update so what does it literally mean???
 
What it's saying is the h81 chipset was released before the g3240. So while the cpu will fit the motherboard socket, the original h81 wasn't made to support it....if you got that motherboard sometime later, then it might actually have a bios that will support it.
You could just try the g3240 and see if it works, if not then put your old cpu back in and download the latest bios from the Gigabyte website and follow the instructions on how to flash your bios. The reason for testing it 1st, is because flashing the bios can occasionally go wrong and screw up your motherboard.

 
Solution