Gigabyte's P45 series is a line of ATX-form motherboards using the Intel P45 chipset.  Gigabyte motherboards cover a spectrum of choices, from basic models to boards with high-end graphic support and HD audio/video features.  Gigabyte themselves estimate that 10% of PCs worldwide use Gigabyte motherboards. Gigabyte motherboards come bundled with Norton Internet Security and a number of other unique features, including the ability to update the BIOS directly from Windows and Xpress Recovery, which simplifies data backup on SATA hard drives using operating systems ranging from MS-DOS to Windows Vista.