8 Chapter 1Memory CombinationsSystem MemoryAudio InterfaceSlot Memory Total MemorySlot 1 1GB,2GB,4G 1G ~4GBSlot 2 1GB,2GB,4G 1G ~4GBSlot 3 1GB,2GB,4G 1G ~4GBSlot 4 1GB,2GB,4G 1G ~4GBMaximum System Memory Supported 1G~16GBItem SpecificationMemory slot number 4 slotSupport Memory size per socket 1GB/2GB/4GBSupport memory type DDRIIISupport memory interface DDRIII 1066/1333Support memory voltage 1.5VSupport memory module package 240-pin DDRIIISupport to parity check feature YesSupport to error correction code (ECC) feature NoMemory module combinations You can install memory modules in any combination as long asthey match the above specifications.Item SpecificationAudio controller PCH: Intel H57Audio controller type Realtek ALC662VC-0Audio channel codec 5.1Audio function control NoMono or stereo StereoCompatibility The ALC662VC series support host audio controller from the Intel ICH serieschipset, and also from any other HDA compatible audio controller. With EAX/Direct Sound 3D/I3DL2/A3D compatibility, and excellent software utilities likeenvironment sound emulation, multiple bands of software equalizer anddynamic range control, optional Dolby, Digital Live, DTS CONNECT, and DolbyHome Theater programs, provides an excellent home entertainment packageand game experience for PC users.Music synthesizer NoSampling rate 192KHz (max)MPU-401 UART support NoMicrophone/Headphone jack Supported