Asus M4A78L-M User Manual - Page 24

Memory configurations - mb

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1.7.2 Memory configurations You may install 512MB, 1GB, 2GB, and 4GB unbuffered ECC and non-ECC DDR2 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. M4A78L-M Motherboard Qualified Vendors Lists (QVL) DDR2-1200(O.C.)MHz capability Vendor Part No. Size SS/DS Kingston OCZ Team KHX96002K2/2G 2048MB(Kit of 2) DS OCZ2FX12002GK 2048MB(Kit of 2) DS TXDD1024M1300HC6 2048MB(Kit of 2) DS Chip Brand N/A N/A Heat-Sink Package Chip NO. Heat-Sink Package Heat-Sink Package Heat-Sink Package CL 5-5-5-15 5-5-5-18 6-6-6-18 DIMM support A* B* • • • • • DDR2-1066MHz capability Vendor A-Data Apacer Apacer Corsair Corsair Corsair Crucial G.SKILL G.SKILL G.SKILL G.SKILL G.SKILL GEIL Part No. AD21066E002GU 78.0AG9S.9K4 78.AAGAL.9KZ CM2X1024-8500C5 CM2X1024-8500C5D CM2X2048-8500C5D BL12864AA1065.8FE5 F2-8500CL5D-2GBPI F2-8500CL5S-1GBPK F2-8500CL5D-2GBPK F2-8500CL5D-4GBPI F2-8500CL5D-4GBPK GE22GB1066C5DC Size SS/ Chip DS Brand 4096MB(Kit of 2) DS 2048MB(kit of 2) DS 4096MB(kit of 2) DS 1024MB DS 2048MB(Kit of 2) DS 2048MB(Kit of 2) DS 1024MB SS 2048MB(kit of 2) SS N/A N/A N/A Corsair N/A N/A N/A N/A 1024MB DS N/A 2048MB(Kit of 2) DS 4096MB(Kit of 2) DS 4096MB(kit of 2) DS 1024MB SS N/A N/A N/A GEIL Chip NO. Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink PackageSN:815130037562 Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package CL 5-5-5-15 5-5-5-15 5-5-5-15 5-5-5-15 5-5-5-15 5-5-5-15 5-5-5-15 5-5-5-15 5-5-5-15 5-5-5-15 5 DIMM support A* B* • • • • • • • • • • • • • • • • • • • • • • • (continued on the next page) 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 DDR2 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.
M4A78L-M Motherboard Qualified Vendors Lists (QVL)
DDR2-1200(O.C.)MHz capability
Vendor
Part No.
Size
SS/DS
Chip Brand
Chip NO.
CL
DIMM support
A*
B*
Kingston
KHX96002K2/2G
2048MB(Kit of 2)
DS
N/A
Heat-Sink Package
5-5-5-15
•
•
OCZ
OCZ2FX12002GK
2048MB(Kit of 2)
DS
N/A
Heat-Sink Package
5-5-5-18
•
•
Team
TXDD1024M1300HC6
2048MB(Kit of 2)
DS
Heat-Sink Package
Heat-Sink Package
6-6-6-18
•
DDR2-1066MHz capability
(continued on the next page)
Vendor
Part No.
Size
SS/
DS
Chip
Brand
Chip NO.
CL
DIMM support
A*
B*
A-Data
AD21066E002GU
4096MB(Kit of 2)
DS
N/A
Heat-Sink Package
5-5-5-15
•
•
Apacer
78.0AG9S.9K4
2048MB(kit of 2)
DS
N/A
Heat-Sink Package
5-5-5-15
•
Apacer
78.AAGAL.9KZ
4096MB(kit of 2)
DS
N/A
Heat-Sink Package
5-5-5-15
•
•
Corsair
CM2X1024-8500C5
1024MB
DS
Corsair
Heat-Sink Package
•
•
Corsair
CM2X1024-8500C5D
2048MB(Kit of 2)
DS
N/A
Heat-Sink Package
5-5-5-15
•
•
Corsair
CM2X2048-8500C5D
2048MB(Kit of 2)
DS
N/A
Heat-Sink Package
5-5-5-15
•
•
Crucial
BL12864AA1065.8FE5
1024MB
SS
N/A
Heat-Sink Package
•
G.SKILL
F2-8500CL5D-2GBPI
2048MB(kit of 2)
SS
N/A
Heat-Sink Package
5-5-5-15
•
G.SKILL
F2-8500CL5S-1GBPK
1024MB
DS
N/A
Heat-Sink
PackageSN:815130037562
5-5-5-15
•
•
G.SKILL
F2-8500CL5D-2GBPK
2048MB(Kit of 2)
DS
N/A
Heat-Sink Package
5-5-5-15
•
•
G.SKILL
F2-8500CL5D-4GBPI
4096MB(Kit of 2)
DS
N/A
Heat-Sink Package
5-5-5-15
•
•
G.SKILL
F2-8500CL5D-4GBPK
4096MB(kit of 2)
DS
N/A
Heat-Sink Package
5-5-5-15
•
•
GEIL
GE22GB1066C5DC
1024MB
SS
GEIL
Heat-Sink Package
5
•
•
Chapter 1: Product introduction
1-12