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ASUS P5L-MX 1-15
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
notched differently to prevent installation on a DDR DIMM socket.
The gure illustrates the location of the DDR2 DIMM sockets:
1.7.2 Memory configurations
You may install 128MB, 256 MB, 512 MB and 1 GB unbuffered non-ECC
DDR2 DIMMs into the DIMM sockets.
• For dual-channel conguration, 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 Qualied Vendors List on
page 1-17 for details.
• If you are installing only one DIMM module for a Single-channel
conguration, install the module on DIMM_B1.
Channel Sockets
Channel A DIMM_A1
Channel B DIMM_B1
P5L-MX
R
P5L-MX
240-pin DDR2 DIMM Sockets
128 Pins
112 Pins
DIMM_B1
DIMM_A1