System Memory; Overview; Memory Configurations - Asus M3A GREEN User Manual

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 figure illustrates the location of the DDR2 DIMM sockets:
M3A-H/HDMI
®
M3A-H/HDMI 240-pin DDR2 DIMM sockets
Channel
Channel A
Channel B
1.7.2

Memory configurations

You may install 512 MB, 1 GB, and 2 GB unbuffered ECC/non-ECC DDR2 DIMMs
into the DIMM sockets.
Recommended memory configurations
Mode
Single-Channel
Dual-channel (1)
Dual-channel (2)
ASUS M3A-H/HDMI
Sockets
DIMM_A1 and DIMM_A2
DIMM_B1 and DIMM_B2
DIMM_A1 DIMM_A2
Populated
—
Populated
Populated Populated
Sockets
DIMM_B1
— —
— Populated
— Populated
Populated
DIMM_B2
—
—
—
Populated
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