In order to determine which devices correspond to those two entries in Device Manager, you should first use a driver scanning application like one of those listed on our website.
Please try DriverMagic and run a quick scan to determine the correct devices you have on your device manager. PCI Simple communications controller may refer to a network adapter or something that it's related to network devices.
You can download drivermagic from here. Other alternatives that might help you are Driver magician, Drivermax and Uniblue DriverScanner