ASRock X58 Extreme6 User Manual - Page 19

2.5 Installation of Memory Modules (DIMM) This motherboard provides six 240-pin DDR3 (Double Data Rate 3) DIMM slots, and supports Triple Channel Memory Technology. For triple channel configuration, you always need to install identical (the same brand, speed, size and chip-type) DDR3 DIMM pair in the slots of the same color. In other words, you have to install identical DDR3 DIMM pair in Triple Channel (DDR3_A1, DDR3_B1 and DDR3_C1; White slots; see p.12 No.5), or identical DDR3 DIMM pair in Triple Channel (DDR3_A2, DDR3_B2 and DDR3_C2; Blue slots; see p.12 No.9), so that Triple Channel Memory Technology can be activated. This motherboard also allows you to install six DDR3 DIMMs for triple channel configuration, and please install identical DDR3 DIMMs in all six slots. Recommended Memory Configurations DDR3_A2 DDR3_A1 DDR3_B2 DDR3_B1 DDR3_C2 (Blue) (White) (Blue) (White) (Blue) 1 DIMM - Populated - - - 2 DIMMs - Populated - Populated - 3 DIMMs - Populated - Populated - 4 DIMMs Populated Populated - Populated - 5 DIMMs Populated Populated Populated Populated - 6 DIMMs Populated Populated Populated Populated Populated DDR3_C1 (White) Populated Populated Populated Populated 1. Please install the memory module into the white slot (DDR3_A1, DDR3_B1 or DDR3_C1) for the first priority. 2. Due to Intel® CPU spec definition, the system will not boot if only one DIMM is installed into DDR3_A2, DDR3_B2 or DDR3_C2 slot. 3. Due to Intel® CPU spec definition, XMP DIMMs and DDR3 2000/ 1866/1600 are supported for one DIMM per channel only. 4. You may install varying memory sizes in Channel A, Channel B and Channel C. The system maps the total size of the lower-sized channel for the dual-channel or triple-channel configuration. Any excess memory from the higher-sized channel is then mapped for single-channel operation. 5. It is not allowed to install a DDR or DDR2 memory module into DDR3 slot; otherwise, this motherboard and DIMM may be damaged. 19