Asus M4N78 SE User Manual - Page 21

Memory configurations

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1.7.2 Memory configurations You may install 512MB, 1GB, 2GB, and 4GB unbuffered ECC/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: - Use a maximum of 3GB system memory if you are using a 32-bit Windows® OS. - Install a 64-bit Windows® OS when 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. The motherboard supports up to 8GB memory modules on Windows® XP Professional x64 and Vista x64 editions. You may install a maximum of 4 GB DIMMs on each slot. M4N78 SE Motherboard Qualified Vendors Lists (QVL) DDR2-667MHz capability Size Vendor 2G 512MB Kingston Kingston 2G Kingston 1G Kingston 512MB Qimonda 1G Qimonda 1G 1G 512MB 1G 512MB 512MB 512MB Corsair Corsair Kingmax Kingmax Apacer Apacer Apacer Part No. SS/ DS KVR667D2N5/2G DS KVR667D2N5/512 SS KVR667D2N5/2G DS KVR667D2N5/1G DS HYS64T64000EU-3S-B2 SS HYS64T128020EU-3S-B2 DS VS1GB667D2 DS XMS2-5400 DS KLCC28F-A8KB5 SS KLCD48F-A8KB5 DS AU512E667C5KBGC SS AU512E667C5KBGC SS 78.91G92.9K5 SS CL Chip No. N/A 7RE22 D9HNL N/A SO1237650821 SBP D6408TR4CGL25USL0749 05PECNB N/A E1108ACBG-8E-E 0813A90CC N/A SO1280420822 SOP D6408TR4CGL25USL1563 04PECXA 5 HYB18T512B00B2F3SFS S28171 5 HYB18T512B00B2F3SFS S28171 N/A MID095D62864M8CEC 4 Heat-Sink Package N/A KKEA88B4LAUG-29DX N/A KKEA88B4LAUG-29DX 5 AM4B5708MIJS7E0627B 5 AM4B5708GQJS7E06332F 5 AM4B5708JQJS7E0751C Chip Brand Micron Kingston DIMM support A* B* · · · · Elpida · · Kingston · · Qimonda · · Qimonda · · Corsair · · Corsair · · Kingmax · · Kingmax · · Apacer · · Apacer · · Apacer · · (continued on the next page) ASUS M4N78 SE 1-11

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ASUS M4N78 SE
1-11
1.7.2
Memory configurations
You may install 512MB, 1GB, 2GB, and 4GB unbuffered ECC/non-ECC DDR2 DIMMs into
the DIMM sockets.
M4N78 SE Motherboard Qualified Vendors Lists (QVL)
•
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:
-
Use a maximum of 3GB system memory if you are using a 32-bit Windows
®
OS.
-
Install a 64-bit Windows
®
OS when 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.
The motherboard supports up to 8GB memory modules on Windows
®
XP Professional x64
and Vista x64 editions. You may install a maximum of 4 GB DIMMs on each slot.
DDR2-667MHz capability
(continued on the next page)
Size
Vendor
Part No.
SS/
DS
CL
Chip No.
Chip
Brand
DIMM support
A*
B*
2G
Kingston
KVR667D2N5/2G
DS
N/A
7RE22 D9HNL
Micron
·
·
512MB
Kingston
KVR667D2N5/512
SS
N/A
SO1237650821 SBP
D6408TR4CGL25USL0749
05PECNB
Kingston
·
·
2G
Kingston
KVR667D2N5/2G
DS
N/A
E1108ACBG-8E-E
0813A90CC
Elpida
·
·
1G
Kingston
KVR667D2N5/1G
DS
N/A
SO1280420822 SOP
D6408TR4CGL25USL1563
04PECXA
Kingston
·
·
512MB
Qimonda
HYS64T64000EU-3S-B2
SS
5
HYB18T512B00B2F3SFS
S28171
Qimonda
·
·
1G
Qimonda
HYS64T128020EU-3S-B2
DS
5
HYB18T512B00B2F3SFS
S28171
Qimonda
·
·
1G
Corsair
VS1GB667D2
DS
N/A
MID095D62864M8CEC
Corsair
·
·
1G
Corsair
XMS2-5400
DS
4
Heat-Sink Package
Corsair
·
·
512MB
Kingmax
KLCC28F-A8KB5
SS
N/A
KKEA88B4LAUG-29DX
Kingmax
·
·
1G
Kingmax
KLCD48F-A8KB5
DS
N/A
KKEA88B4LAUG-29DX
Kingmax
·
·
512MB
Apacer
AU512E667C5KBGC
SS
5
AM4B5708MIJS7E0627B
Apacer
·
·
512MB
Apacer
AU512E667C5KBGC
SS
5
AM4B5708GQJS7E06332F
Apacer
·
·
512MB
Apacer
78.91G92.9K5
SS
5
AM4B5708JQJS7E0751C
Apacer
·
·