Asus M4N68T User Manual - Page 22

Memory configurations - m memory support

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1.7.2 Memory configurations You may install 512MB, 1GB, 2GB, and 4GB unbuffered ECC and non-ECC DDR3 DIMMs into the DIMM sockets. • You may install varying memory sizes in Channel A and Channel B. The system maps the total size of the lower-sized channel for the dual-channel configuration. Any excess memory from the higher-sized channel is then mapped for single-channel operation. • Always install DIMMs with the same CAS latency. For optimum compatibility, we recommend that you obtain memory modules from the same vendor. • Due to the memory address limitation on 32-bit Windows® OS, when you install 4GB or more memory on the motherboard, the actual usable memory for the OS can be about 3GB or less. For effective use of memory, we recommend that you do any of the following: I�n�s�ta�l�l�a��m�a�x�i�m�u��m��o�f�3�G��B��s�y�s�te�m��m��e�m��o�r�y�i�f �y�o�u�a��re��u�s�in��g�a��3�2�-�b�it�W��i�n�d�o�w��s® OS. - Use a 64-bit �W�i�nd�o�w��s® OS if you want to install 4GB or more memory on the motherboard. • This motherboard does not support DIMMs made up of 256 megabits (Mb) chips or less. M4N68T Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.)MHz capability Vendor Part No. Kingston KHX14900D3K3/3GX(XMP) Size SS/ DS Chip Brand Chip NO. 3072MB(kit of 3) SS N/A Heat-Sink Package CL 9-9-9-27 DIMM support A* B* C* • • DDR3-1800(O.C.)MHz capability Vendor Part No. Size SS/ DS Corsair CM3X2G1800C8D 2048MB DS Kingston KHX14400D3K2/2G 2048MB(Kit of 2) SS Kingston KHX14400D3K3/3GX(XMP) 3072MB(kit of 3) SS Kingston KHX14400D3K2/2GN(EPP) 4096MB(kit of 2) DS Chip Chip NO. Brand N/A Heat-Sink Package N/A Heat-Sink Package N/A Heat-Sink Package N/A Heat-Sink Package CL N/A 8-8-8-24 9-9-9-27 8-8-8-24 DIMM support A* B* C* • • • • • • • 1-12 Chapter 1: Product introduction

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1.7.2
Memory configurations
You may install 512MB, 1GB, 2GB, and 4GB unbuffered ECC and non-ECC DDR3 DIMMs
into the DIMM sockets.
•
You may install varying memory sizes in Channel A and Channel B. The system maps
the total size of the lower-sized channel for the dual-channel configuration. Any excess
memory from the higher-sized channel is then mapped for single-channel operation.
•
Always install DIMMs with the same CAS latency. For optimum compatibility, we
recommend that you obtain memory modules from the same vendor.
•
Due to the memory address limitation on 32-bit Windows
®
OS, when you install 4GB
or more memory on the motherboard, the actual usable memory for the OS can be
about 3GB or less. For effective use of memory, we recommend that you do any of the
following:
-
Install a maximum of 3GB system memory if you are using a 32-bit Windows
Install a maximum of 3GB system memory if you are using a 32-bit Windows
®
OS.
-
Use a 64-bit Windows
Windows
®
OS if you want to install 4GB or more memory on the
motherboard.
•
This motherboard does not support DIMMs made up of 256 megabits (Mb) chips or less.
M4N68T Motherboard Qualified Vendors Lists (QVL)
DDR3-1866(O.C.)MHz capability
Vendor
Part No.
Size
SS/
DS
Chip
Brand
Chip NO.
CL
DIMM support
A*
B*
C*
Corsair
CM3X2G1800C8D
2048MB
DS
N/A
Heat-Sink Package
N/A
•
•
Kingston
KHX14400D3K2/2G
2048MB(Kit of 2)
SS
N/A
Heat-Sink Package
8-8-8-24
•
•
Kingston
KHX14400D3K3/3GX(XMP)
3072MB(kit of 3)
SS
N/A
Heat-Sink Package
9-9-9-27
•
•
Kingston
KHX14400D3K2/2GN(EPP)
4096MB(kit of 2)
DS
N/A
Heat-Sink Package
8-8-8-24
•
Vendor
Part No.
Size
SS/
DS
Chip
Brand
Chip NO.
CL
DIMM support
A*
B*
C*
Kingston
KHX14900D3K3/3GX(XMP)
3072MB(kit of 3)
SS
N/A
Heat-Sink Package
9-9-9-27
•
•
DDR3-1800(O.C.)MHz capability
Chapter 1: Product introduction
1-12