Drivers for motherboards of computer systems are provided as part of the CD Pack that comes with the hardware. However, in case the drivers are lost or misplaced, the drivers for motherboards can be downloaded from the official site of the company's website. Therefore, the drivers for Mercury PI945GCM motherboard can be downloaded from the site of the company and it is recommended you download the Mercury PI945GCM motherboard from the official website. The site contains updated device drivers of the Mercury PI945GCM motherboard with the latest bug fixes and instructions. It is also recommended to backup the device driver of a working configuration.