I don't know where to download the update for these chipset :
intel(r) 5 series/3400 series chipset family pci express root port 1 - 3b42
intel(r) 5 series/3400 series chipset family pci express root port 2 - 3b44
intel(r) 5 series/3400 series chipset family pci express root port 3 - 3b46
intel(r) 5 series/3400 series chipset family pci express root port 5 - 3b4A
intel(r) 5 series/3400 series chipset family SMBus Controller - 3B30
I have version : 6.1.7601.17514 and I know that there is version 9.3 or something like that, but I don't find where to download them.
PS: When is coming the next update for Intel HD Graphics 1st generation
PS2: Did you test Intel HD Graphics 1st generation with the game Rise of Flight? I know that you will say, check this link to see compatible games, but I want you to test rise of flight with Intel HD Graphics 1st generation. One developper of this game said that he said to your team to take this game to test your graphic card, but you just take some small game.
These device drivers for those controllers are inbox drivers that are provided by the operating system itself so in this case, they do not require and update. In the event that there would be an update for them, they would be provided through Microsoft* updates.
Concerning the Intel® HD Graphics, at this moment there is not a released date for an updated driver.
And you can check the list of tested games for Intel® HD Graphics on the following site: