Gigabyte GA-G31M-ES2C @ Hardware Secrets

"Gigabyte G31M-ES2C is a value motherboard for Intel socket 775 processors based on Intel G31 chipset, which is today the simplest chipset from Intel, supporting 45 nm CPUs, 1,333 MHz front side bus and 800 MHz memory modules in dual channel configuration. This motherboard, however, supports front side bus up to 1,600 MHz thru overclocking."