Asus Motherboard 1.7.1 Overview, 1.7.2 Memory configurations, 1.7System memory, P5L-MX 240-pinDDR2 DIMM Sockets, The figure illustrates the location of the DDR2 DIMM sockets:

1.7System memory

1.7.1 Overvi ew

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

	112 Pins
P5L-MX	Pins
	128

P5L-MX 240-pin DDR2 DIMM Sockets

Channel	Sockets
Channel A	DIMM_A1
Channel B	DIMM_B1

1.7.2 Memory confi gurati ons

You may install 128MB, 256 MB, 512 MB and 1 GB unbuffered non-ECC DDR2 DIMMs into the DIMM sockets.

•For dual-channel configuration, the size of memory module installed per channel must be the same (DIMM_A1= DIMM_B1)

•Always install DIMMs with the same CAS latency. For optimum compatibility, it is recommended that you obtain memory modules from the same vendor. Refer to the DDR2 Qualified Vendors List on page 1-17 for details.

•If you are installing only one DIMM module for a Single-channel

configuration, install the module on DIMM_B1.

ASUS P5L-MX 1-15