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ASUS P8H61-M LX2 R2.0 1-10
1.4.2 Memory congurations
You may install 512MB, 1GB, 2GB, and 4GB unbuffered non-ECC DDR3 DIMMs into the
DIMM sockets.
• The default memory operation frequency is dependent on its Serial Presence Detect
(SPD), which is the standard way of accessing information from a memory module.
Under the default state, some memory modules for overclocking may operate at a
lower frequency than the vendor-marked value. To operate at the vendor-marked or at a
higher frequency, refer to section 2.4 Ai Tweaker menu for manual memory frequency
adjustment.
• For system stability, use a more efcient memory cooling system to support a full
memory load (2 DIMMs) or overclocking condition.
• 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 conguration. Any excess
memory from the higher-sized channel is then mapped for single-channel operation.
• According to Intel CPU specication, DIMM voltage below 1.65V is recommended to
protect the CPU.
• Always install DIMMs with the same CAS latency. For optimal compatibility, we
recommend that you install memory modules of the same version or date code (D/C)
from the same vendor. Check with the retailer to get the correct memory modules.
• Due to Intel 2
nd
generation processor’s behavior, DDR3 2250 and above MHz memory
modules will run at DDR3 2200 MHz frequency as default. In addition, DDR3 2133 will
run at 2100 MHz while DDR3 1866 will run at 1800 MHz default.
• 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 on the
motherboard.
• Memory modules with memory frequency higher than 2133 MHz and its corresponding
timing or the loaded X.M.P. Prole is not the JEDEC memory standard. The stability
and compatibility of these memory modules depend on the CPU’s capabilities and other
installed devices.
• This motherboard does not support DIMMs made up of 512Mb (64MB) chips or less.
P8H61-M LX2 R2.0 Motherboard Qualied Vendors Lists (QVL)
DDR3-1066 MHz capability
Vendors Part No. Size
SS/
DS
Chip
Brand
Chip NO. Timing Voltage
DIMM socket
support (optional)
1DIMM 2DIMM
Crucial CT12864BA1067.8FF 1GB SS Micron 9GF22D9KPT 7 -
Crucial CT12872BA1067.9FF 1GB SS Micron 9HF22D9KPT(ECC) 7 -
Crucial CT25664BA1067.16FF 2GB DS Micron 9HF22D9KPT 7 -
Crucial CT25672BA1067.18FF 2GB DS Micron 9GF22D9KPT(ECC) 7 -
ELPIDA EBJ10UE8EDF0-AE-F 1GB SS ELPIDA J1108EDSE-DJ-F - 1.35V(low voltage)
ELPIDA EBJ21UE8EDF0-AE-F 2GB DS ELPIDA J1108EDSE-DJ-F - 1.35V(low voltage)
KINGSTON KVR1066D3E7/1G 1GB SS ELPIDA J1108BDBG-DJ-F(ECC) 7 1.5V
KINGSTON KVR1066D3N7/1G 1GB SS ELPIDA J1108BFSE-DJ-F 7 1.5V
KINGSTON KVR1066D3N7/2G 2GB DS ELPIDA J1108BDSE-DJ-F 7 1.5V
KINGSTON KVR1066D3N7/4G 4GB DS Hynix H5TQ2G83AFR 7 1.5V
Kingtiger 2GB DIMM PC3-8500 2GB DS Hynix H5TQ1G83AFP G7C - -