Asus NCCH-DLE NCCH-DLE User's Manual English version 1.0 - Page 35
System memory
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2.4 System memory 2.4.1 Overview The motherboard comes with four Double Data Rate (DDR) Dual Inline Memory Module (DIMM) sockets. The following figure illustrates the location of the DDR DIMM sockets. DIMM_B2 80 Pins DIMM_A2 DIMM_B1 DIMM_A1 104 Pins NCCH-DLE ® NCCH-DLE 184-pin DDR DIMM sockets 2.4.2 Memory configurations You may install unbuffered ECC or non-ECC 64MB, 128MB, 256MB, 512MB, and 1GB DDR DIMMs into the DIMM sockets using the recommended memory configurations. Important notes 1. Installing DDR DIMMs other than the recommended configurations may cause memory sizing error or system boot failure. Use any of the recommended configurations in Table 1. 2. In dual-channel configurations, install only i d e n t i c a l (the same type and size) DDR DIMM pairs for each channel. 3. Always install DIMMs with the same CAS latency. For optimum compatibility, it is recommended that you obtain memory modules from the same vendor. 4. Make sure that the memory frequency matches the CPU FSB (Front Side Bus). Refer to Table 2. 5. DIMMs installed into a n y t h r e e sockets will function in single-channel mode. 6. When all four sockets are populated with 1 GB DIMMs (total 4GB), the system may detect only about 3.6+ GB (less than 4 GB) due to chipset limitation. ASUS NCCH-DLE 2-15