Asus P5KPL-CM - Manual (Page 26)

1-14 Chapter 1: Product introduction
1.7 System memory
1.7.1 Overview
The motherboard comes with two 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:
Install a memory module in DIMM_A1 slot to support the Intel ® Quiet System
Technology and for optimum performance.
P5KPL-CM
R
P5KPL-CM 240-pin DDR2 DIMM Sockets
128 Pins
112 Pins
DIMM_B1 DIMM_A1
Channel Sockets
Channel A DIMM_A1
Channel B DIMM_B1