10 Chapter 1Memory CombinationsSystem MemoryAudio InterfaceSlot Memory Total MemorySlot 1 1GB/2GB/4GB 1G ~4GBSlot 2 1GB/2GB/4GB 1G ~4GBSlot 3 1GB/2GB/4GB 1G ~4GBSlot 4 1GB/2GB/4GB 1G ~4GBMaximum System Memory Supported 1G~16GBItem SpecificationMemory slot number 4 slotSupport Memory size per socket 1GB/2GB/4GBSupport memory type DDRIIISupport memory interface DDR III 1333/1066 MHzSupport 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 Intel PCHAudio controller type ALC662-VDAudio channel codec 5.1CHAudio function control StereoMono or stereo StereoCompatibility EAX™ 1.0 & 2.0/ Direct Sound 3D™/ I3DL2 compatible (Windows XP only)/ 3DPositional Audio/Music synthesizer NoSampling rate 44.1k/48k/96k/192kHz sample rateMPU-401 UART support NoMicrophone/Headphone jack Supported