Asus M2N-MX DVI2 User Manual - Page 22

1.5 System memory 1.5.1 Overview The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets. A DDR2 module has the same physical dimensions as a DDR DIMM but has a 240-pin footprint compared to the 184-pin DDR DIMM. DDR2 DIMMs are notched differently to prevent installation on a DDR DIMM socket. The figure illustrates the location of the DDR2 DIMM sockets: DIMM_A1 DIMM_B1 DIMM_A2 DIMM_B2 128 Pins R M2N-MX 112 Pins M2N-MX 240-pin DDR2 DIMM Sockets Channel Channel A Channel B Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 1.5.2 Memory configurations You may install 256 MB, 512 MB, 1 GB, and 2 GB unbuffered/non-ECC DDR2 DIMMs into the DIMM sockets. Recommended Memory Configurations Mode Single Channel Dual-channel (1) Dual-channel (2) DIMM_A1 Populated Populated Populated Sockets DIMM_A2 DIMM_B1 Populated - Populated Populated Populated - Populated Populated DIMM_B2 - Populated - Populated Populated 1-12 Chapter 1: Product introduction