OSSupport:Windows Size:705 KB BIOS Update:Enhance system performance and overclock capability Intel P45 + ICH10R Chipset 1. Revolution energy saving design with DES Advanced featuring hardware based Dynamic 6-Gear switching 2. Supports 45nm Intel Core 2 multi-core processors with FSB 1600 MHz 3. Dual channel DDR2 1200 for remarkable system performance 4. 2 PCI-E 2.0 x16 graphic interface plus PCI-E 2.0 x4 with CrossFireX support for ultimate graphics performance 5. Built-in TPM chip with 2048bits encryption to highest level digital data protection 6. Diagnostic LED and ACPI LEDs on board to display system and power status 7. 2 Gigabit Ethernet LAN with Teaming functionality 8. Supports Dolby Home Theater audio to create a stunning surround sound listening experience. 9. DualBIOS solution gives a multiple security to the system 10. Power/reset/Clr CMOS onboard button for easily operation on the workbench 11. Hardware Overvoltage Control IC Provides more voltage control options on CPU, North bridge and memory 12. Blu-ray playback outputs supported by high quality 106dB SNR ALC889A HD audio GIGABYTE GA-EP45-DS4P rev. 1.0 BIOS F3 is highly recommended to always use the most recent driver version available.Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.Try to set a system restore point before installing a device driver. GIGABYTE GA-EP45-DS4P rev. 1.0 BIOS F3 will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.