Asus M4a785t-M User Manual - Page 24
Memory configurations - mb
UPC - 610839172290
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1.7.2 Memory configurations You may install 512MB, 1GB, 2GB, and 4GB unbuffered ECC and non-ECC DDR3 DIMMs into the DIMM sockets. • You may install varying memory sizes in Channel A and Channel B. The system maps the total size of the lower-sized channel for the dual-channel configuration. Any excess memory from the higher-sized channel is then mapped for single-channel operation. • Always install DIMMs with the same CAS latency. For optimum compatibility, we recommend that you obtain memory modules from the same vendor. • Due to the memory address limitation on 32-bit Windows® OS, when you install 4GB or more memory on the motherboard, the actual usable memory for the OS can be about 3GB or less. For effective use of memory, we recommend that you do any of the following: - Install a maximum of 3GB system memory if you are using a 32-bit Windows® OS. - Use a 64-bit Windows® OS if you want to install 4GB or more memory on the motherboard. • This motherboard does not support DIMMs made up of 256 megabits (Mb) chips or less. The motherboard supports up to 16GB memory modules on Windows® XP Professional x64 and Vista x64 editions. You may install a maximum of 4GB DIMMs on each slot. M4A785T-M Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.)MHz capability Vendor Part No. Kingston KHX14900D3K3/3GX(XMP) Size SS/ DS Chip Brand Chip NO. 3072MB(kit of 3) SS N/A Heat-Sink Package CL 9-9-9-27 DIMM support A* B* C* • • DDR3-1800(O.C.)MHz capability Vendor Corsair Kingston Kingston Kingston Part No. Size SS/ Chip Chip NO. CL DIMM support DS Brand A* B* C* CM3X2G1800C8D 2048MB DS N/A Heat-Sink Package N/A • • KHX14400D3K2/2G 2048MB(Kit of 2) SS N/A Heat-Sink Package 8-8-8-24 • • KHX14400D3K3/3GX(XMP) 3072MB(kit of 3) SS N/A Heat-Sink Package 9-9-9-27 • • KHX14400D3K2/2GN(EPP) 4096MB(kit of 2) DS N/A Heat-Sink Package 8-8-8-24 • 1-12 Chapter 1: Product introduction