As a socket PGA478 motherboard powered by the Mobile Intel Express GM45 chipset, the Hewlett-Packard 492831-001 is compatible with a variety of computer models from the HP TouchSmart family, including the IQ520 series, IQ530 series, and IQ540 series, as well as IQ820, IQ830, and IQ840 series. This Hewlett-Packard motherboard boasts an integrated Ethernet port conveniently placed near other I/O ports on the Hewlett-Packard motherboard to ensure overall ease of use. The Hewlett-Packard 492831-001 socket PGA478 motherboard possesses three USB ports that can be used to connect external storage devices such as flash drives and hard drives, as well as cameras, media players, and other peripherals. In addition to the two audio ports, this Hewlett-Packard motherboard also has a single SPDIF port that is designed to work with compressed digital audio. The motherboard accepts DDR2 RAM modules to ensure smooth functioning of the Intel Core 2 Duo processors it supports and uses a SATA interface to connect internal hard drives.