GA-H81M-S2PT (rev. 1.1) rev. 1.0 Intel® H81 Chipset H81MS2PT.F5 Supports 4th Generation Intel® Core™ processors GIGABYTE Ultra Durable™ 4 Plus Technology Audio Noise Guard with High Quality Audio Capacitors GIGABYTE UEFI DualBIOS™ GIGABYTE On/Off Charge™ for USB devices LAN with high ESD Protection D-SUB, LPT, COM port on rear panel All solid capacitors design