gigabyte ma770-ud3 am2+ ddr2 1200+ pci-e 2.0 x16 dualbios gigabit raid cpu 1. support for socket am2+/ am2 processors: amd phenom fx processor/ amd phenom x4 processor/ amd phenom x3 processor/ amd athlon x2 processor/ amd athlon processor/ amd sempron x2 processor/ amd sempron processor hyper transport bus 1. 5200/2000 mt/s chipset 1. north bridge: amd 770 2. south bridge: amd sb700 memory 1. 4 x 1.8v ddr2 dimm sockets supporting up to 16 gb of system memory (note 1) 2. dual channel memory architecture 3. support for ddr2 1200(note 2)/1066/800/667 mhz memory modules 4. support ecc memory (note 3) audio 1. realtek alc888 codec 2. high definition audio 3. 2/4/5.1/7.1-channel 4. support for s/pdif in/out 5. support for cd in lan 1. realtek 8111c chip (10/100/1000 mbit) expansion slots 1. 1 x pci express x16 slot, running at x16 (pcie_16) (the pci express x16 slot conforms to pci express 2.0 standard.) 2. 4 x pci express x1 slots 3. 2 x pci slots storage interface south bridge: 1. 1 x ide connector supporting ata-133/100/66/33 and up to 2 ide devices 2. 6 x sata 3gb/s connectors (sataii0, sataii1, sataii2, sataii3) supporting up to 6 sata 3gb/s devices 3. support for sata raid 0, raid 1 and raid 0+1 ite it8720 chip: 1. 1 x floppy disk drive connector supporting up to 1 floppy disk drive ieee 1394 t.i. tsb43ab23 chip 1. up to 3 ieee 1394a ports (2 on the back panel, 1 via the ieee 1394a bracket connected to the internal ieee 1394a headers) usb integrated in the south bridge 1. up to 12 usb 2.0/1.1 ports (8 on the back panel, 4 via the usb brackets connected to the internal usb headers) internal i/o connectors 1. 1 x 24-pin atx main power connector 2. 1 x 4-pin atx 12v power connector 3. 1 x floppy disk drive connector 4. 1 x ide connector 5. 6 x sata 3gb/s connectors 6. 1 x cpu fan header 7. 2 x system fan headers 8. 1 x power fan header 9. 1 x north bridge fan header 10. 1 x front panel header 11. 1 x front panel audio header 12. 1 x cd in connector 13. 1 x s/pdif in header 14. 1 x s/pdif out header 15. 2 x usb 2.0/1.1 headers 16. 1 x ieee 1394a header 17. 1 x parallel port header 18. 1 x serial port header 19. 1 x power led header 20. 1 x chassis intrusion header back panel connectors 1. 1 x ps/2 keyboard port 2. 1 x ps/2 mouse port 3. 1 x coaxial s/pdif out connector 4. 1 x optical s/pdif out connector 5. 1 x serial port 6. 8 x usb 2.0/1.1 ports 7. 2 x ieee 1394a ports 8. 1 x rj-45 port 9. 6 x audio jacks (center/subwoofer speaker out/rear speaker out/side speaker out/line in/line out/microphone) i/o controller 1. ite it8720 chip h/w monitoring system voltage detection 1. cpu/system temperature detection 2. cpu/system/power fan speed detection 3. cpu overheating warning 4. cpu/system/power fan fail warning 5. cpu fan speed control (note 4) bios 1. 2 x 8 mbit flash 2. use of licensed award bios 3. support dualbios™ 4. pnp 1.0a, dmi 2.0, sm bios 2.4, acpi 1.0b unique features 1. support for @bios 2. support for download center 3. support for q-flash 4. support for easytune (note 5) 5. support for xpress install 6. support for xpress recovery2 7. support for virtual dual bios 8. support for easy energy saver (note 6) bundle software 1. norton internet security (oem version) operating system 1. support for microsoft windows vista/xp form factor 1. atx form factor; 30.5cm x 21.0cm