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4 system memory, 1 overview, 2 memory configurations – Asus M2N-L User Manual

Page 31

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ASUS M2N-L

2-

2.4

System memory

2.4.1

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 figure illustrates the location of the DDR2 DIMM sockets:

Channel

Sockets

Channel A

DIMM_A1 and DIMM_A2

Channel B

DIMM_B1 and DIMM_B2

2.4.2

Memory configurations

You may install 128 MB, 256 MB, 512 MB, or 2 GB unbuffered ECC/Non-ECC

DDR2 DIMMS into the DIMM sockets using the memory configurations in this

section.

• For dual-channel configuration, the total size of memory module(s) installed

per channel must be the same for better performance (DIMM_A1+DIMM_

A2=DIMM_B1+DIMM_B2).

• Due to chipset resource allocation, the system may detect less than 8 GB

of system memory when you installed four 2 GB DDR2 memory modules.

• Always install DIMMs with the same CAS latency. For optimum

compatibility, we recommend that you obtain memory modules from the

same vendor. Refer to the Memory Qualified Vendors List at the ASUS web

site.

M2N-L

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