![](http://pdfasset.owneriq.net/4/1d/41dafb34-b8f9-4e45-aadf-253e1e758084/41dafb34-b8f9-4e45-aadf-253e1e758084-bg1c.png)
1-16
Chapter 1: Product introduction
Channel Sockets
Channel A DIMM_A1 and DIMM_A2
Channel B DIMM_B1 and DIMM_B2
1.7 System memory
1.7.1 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 not
notched differently to prevent installation on a DDR DIMM socket.
The gure illustrates the location of the DDR2 DIMM sockets: