User's Manual
Chapter 2: Hardware setup2-8
2.3 System memory
2.3.1 Overview
The motherboard comes with six (6) 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.
The gure illustrates the location of the DDR2 DIMM sockets:`
2.3.2 Memorycongurations
You may install 512 MB, 1 GB, 2 GB, and 4 GB registered ECC DIMMs into the
DIMM sockets.
• For optimum compatibility, we recommend that you obtain memory modules
from the same vendor. Refer to the Qualied Vendors List on the ASUS
web site.
• This motherboard does not support memory modules made up of 128 Mb
chips x16 memory modules.
• If you are installing only one memory module, install the module into the
blue socket labeled DIMM_A1 or DIMM_B1. Installing into any other socket
will not work.
DSAN-DX
®
128 pins 112 pins
DIMM_B1
DIMM_A1
DIMM_B3
DIMM_A3
DIMM_B2
DIMM_A2
DSAN-DX/TS500-E5 240-pin DDR2 DIMM sockets