Asus M2N68-AM PLUS User Manual - Page 12

Central Processing Unit CPU, System memory

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1.3 Central Processing Unit (CPU) This motherboard comes with a 940-pin AMD® Socket AM2+ / AM2 for AMD Phenom™ II / Phenom™ / Athlon™ FX / Athlon™ 64 / Sempron™ processor. The AM2/AM2+ socket has a different pinout from the 940-pin socket designed for the AMD Opteron™ processor. Ensure that you use a CPU that is designed for the AM2/AM2+ socket. The CPU fits in only one correct orientation. DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU! 1.4 System memory 1.4.1 Overview This motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets. A DDR2 DIMM 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 Channel A Channel B Sockets DIMM_A1 DIMM_B1 1.4.2 Memory configurations You may install 512MB, 1GB, and 2GB unbuffered ECC/non-ECC DDR2 DIMMs into the DIMM sockets. 1-3 Chapter 1: Product introduction

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1.3
Central Processing Unit (CPU)
This motherboard comes with a 940-pin AMD
®
Socket AM2+ / AM2 for AMD Phenom™ II /
Phenom™ / Athlon™ FX / Athlon™ 64 / Sempron™ processor.
The AM2/AM2+ socket has a different pinout from the 940-pin socket designed for the
AMD Opteron™ processor. Ensure that you use a CPU that is designed for the AM2/AM2+
socket. The CPU fits in only one correct orientation.
DO NOT
force the CPU into the socket
to prevent bending the pins and damaging the CPU!
1.4
System memory
1.4.1
Overview
This motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline Memory Modules
(DIMM) sockets. A DDR2 DIMM 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
Channel B
DIMM_B1
1.4.2
Memory configurations
You may install 512MB, 1GB, and 2GB unbuffered ECC/non-ECC DDR2 DIMMs into the
DIMM sockets.
Chapter 1: Product introduction
1-3