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1.4.2
Memory configurations
You may install 1GB, 2GB, 4GB, and 8GB unbuffered non-ECC DDR3 DIMMs into the DIMM sockets.
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1-8
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 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.
Memory module with memory frequency higher than 2133 MHz and its
corresponding timing or the loaded XMP Profile is not the JEDEC memory
standard. The stability and compatibility of these memory modules depend on
the CPU's capabilities and other installed devices.
Due to Intel® chipset limitation, DDR3 1600 MHz and higher memory modules
on XMP mode will run at the maximum transfer rate of DDR3 1600 MHz.
Due to the memory address limitation on 32-bit Windows
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
- I nstall a 64-bit Windows
motherboard.
This motherboard does not support DIMMs made up of 512Mb (64MB) chips or
less.
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 efficient memory cooling system to support a
full memory load (2 DIMMs) or overclocking condition.
OS when you want to install 4GB or more on the
®
OS, when you install
®
Chapter 1: Product introduction
®
OS.
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