Asus V3-M2V890 - Manual (Page 26)

2-8 Chapter 2: Basic installation
2.5 Installing a DIMM
The system motherboard comes with two Double Data Rate 2 (DDR2) Dual
Inline Memory Module (DIMM) sockets.
The following figure illustrates the location of the sockets:
2.5.1 Memory configurations
You may install 256 MB, 512 MB, and 1 GB unbuffered ECC/non-ECC DDR2
DIMMs into the DIMM sockets.
DIMM_A1 DIMM_B1
240 -pin DDR2 DIMM Sockets
For optimum compatibility, we recommend that you obtain memory
modules from the same vendor. Visit the ASUS website (www.asus.com)
for the latest Qualified Vendors List..