System Memory; Overview; Memory Configurations - Asus M3A - Motherboard - ATX User Manual

2.4

System memory

2.4.1

Overview

The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory
Modules (DIMM) sockets.
The figure illustrates the location of the DDR2 DIMM sockets:
®
M3A 240-pin DDR2 DIMM sockets
Channel
Channel A
Channel B
2.4.2

Memory configurations

You may install 256 MB, 512 MB, 1 GB, and 2 GB unbuffered ECC and non-ECC
DDR2 DIMMs into the DIMM sockets.
Recommended Memory Configurations
Mode
Single-Channel
Dual-channel (1)
Dual-channel (2)
ASUS M3A
Sockets
DIMM_A1 and DIMM_A2
DIMM_B1 and DIMM_B2
DIMM_A1 DIMM_A2
(yellow) (black)
– –
Populated –
Populated –
Populated Populated
Sockets
DIMM_B1
(yellow)
Populated
–
Populated
Populated
DIMM_B2
(black)
–
–
–
Populated
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