Asus M4A78-EM 1394 User Manual - Page 24

Asus M4A78-EM 1394 Manual

Get Asus M4A78-EM 1394 PDF manuals and user guides View all Asus M4A78-EM 1394 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 24 highlights

1.7.2 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® OS. Use a 64-bit Windows® OS if you want to install 4GB or more memory on the motherboard. Memory configurations • This motherboard does not support DIMMs made up of 256 megabits (Mb) chips or less. The motherboard supports up to 16GB memory modules on Windows® XP Professional x64 and Vista x64 editions. You may install a maximum of 4GB DIMMs on each slot. M4A78-EM/1394 Motherboard Qualified Vendors Lists (QVL) DDR2-1200MHz capability Size 2048MB(Kit of 2) 2048MB(Kit of 2) 2048MB(Kit of 2) Vendor Kingston OCZ Team Part No. KHX96002K2/2G OCZ2FX12002GK TXDD1024M1300HC6 SS/DS DS DS DS CL 5-5-5-15 5-5-5-18 6-6-6-18 Chip NO. Heat-Sink Package Heat-Sink Package Heat-Sink Package Chip Brand N/A N/A Heat-Sink Package DIMM socket support (Optional) A* B* C We recommend that you install the DDR2 1200 memory modules on the yellow slots for better performance. DDR2-1066MHz capability Size 4096MB(Kit of 2) 2048MB(kit of 2) 4096MB(kit of 2) 1024MB 2048MB(Kit of 2) 2048MB(Kit of 2) 1024MB 2048MB 2048MB(kit of 2) 1024MB 2048MB(Kit of 2) 4096MB(Kit of 2) 4096MB(Kit of 2) Vendor A-Data Apacer Apacer Corsair Corsair Corsair Crucial Crucial G.SKILL G.SKILL G.SKILL G.SKILL G.SKILL Part No. AD21066E002GU 78.0AG9S.9K4 78.AAGAL.9KZ CM2X1024-8500C5 CM2X1024-8500C5D CM2X2048-8500C5D BL12864AA1065.8FE5 CT25664AA1067.16FE1 F2-8500CL5D-2GBPI F2-8500CL5S-1GBPK F2-8500CL5D-2GBPK F2-8500CL5D-4GBPI-B F2-8500CL5D-4GBPI SS/DS CL DS DS DS DS DS DS SS DS SS DS DS DS DS 5-5-5-15 5-5-5-15 5-5-5-15 N/A 5-5-5-15 5-5-5-15 N/A 7-7-7-13 5-5-5-15 5-5-5-15 5-5-5-15 5-5-5-15 5-5-5-15 Chip NO. Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package 9DJKH D9JKH Heat-Sink Package Heat-Sink PackageSN:815130037562 Heat-Sink Package Heat-Sink Package Heat-Sink Package DIMM socket support Chip Brand (Optional) A* B* C* N/A · · · N/A · · N/A · · · Corsair · · N/A · · · N/A · · · N/A · · Micron · N/A · N/A · · · N/A · · · N/A · N/A · · · (continued on the next page) 1-12 Chapter 1: Product introduction

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
1.7.2
Memory confgurations
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 conFguration. 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. ±or 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
®
OS.
-
Use a 64-bit 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.
The motherboard supports up to 16GB memory modules on Windows
®
XP Professional x64
and Vista x64 editions. You may install a maximum of 4GB DIMMs on each slot.
M4A78-EM/1394 Motherboard Qualifed Vendors Lists (QVL)
DDR2-1200MHz capability
Size
Vendor
Part No.
SS/DS
CL
Chip NO.
Chip Brand
DIMM socket
support (Optional)
A*
B*
C*
2048MB(Kit of 2)
Kingston
KHX96002K2/2G
DS
5-5-5-15
Heat-Sink Package
N/A
·
·
2048MB(Kit of 2)
OCZ
OCZ2±X12002GK
DS
5-5-5-18 Heat-Sink Package
N/A
·
·
2048MB(Kit of 2)
Team
TXDD1024M1300HC6
DS
6-6-6-18
Heat-Sink Package
Heat-Sink Package
·
DDR2-1066MHz capability
Size
Vendor
Part No.
SS/DS
CL
Chip NO.
Chip Brand
DIMM socket
support
(Optional)
A*
B*
C*
4096MB(Kit of 2)
A-Data
AD21066E002GU
DS
5-5-5-15
Heat-Sink Package
N/A
·
·
·
2048MB(kit of 2)
Apacer
78.0AG9S.9K4
DS
5-5-5-15
Heat-Sink Package
N/A
·
·
4096MB(kit of 2)
Apacer
78.AAGAL.9KZ
DS
5-5-5-15
Heat-Sink Package
N/A
·
·
·
1024MB
Corsair
CM2X1024-8500C5
DS
N/A
Heat-Sink Package
Corsair
·
·
2048MB(Kit of 2)
Corsair
CM2X1024-8500C5D
DS
5-5-5-15
Heat-Sink Package
N/A
·
·
·
2048MB(Kit of 2)
Corsair
CM2X2048-8500C5D
DS
5-5-5-15
Heat-Sink Package
N/A
·
·
·
1024MB
Crucial
BL12864AA1065.8±E5
SS
N/A
Heat-Sink Package
N/A
·
·
2048MB
Crucial
CT25664AA1067.16±E1
DS
7-7-7-13
9DJKH D9JKH
Micron
·
2048MB(kit of 2)
G.SKILL
±2-8500CL5D-2GBPI
SS
5-5-5-15
Heat-Sink Package
N/A
·
1024MB
G.SKILL
±2-8500CL5S-1GBPK
DS
5-5-5-15
Heat-Sink PackageSN:815130037562
N/A
·
·
·
2048MB(Kit of 2)
G.SKILL
±2-8500CL5D-2GBPK
DS
5-5-5-15
Heat-Sink Package
N/A
·
·
·
4096MB(Kit of 2)
G.SKILL
±2-8500CL5D-4GBPI-B
DS
5-5-5-15
Heat-Sink Package
N/A
·
4096MB(Kit of 2)
G.SKILL
±2-8500CL5D-4GBPI
DS
5-5-5-15
Heat-Sink Package
N/A
·
·
·
(continued on the next page)
We recommend that you install the DDR2 1200 memory modules on the yellow slots for
better performance.
Chapter 1: Product introduction
1-12