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•
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.
•
Due to the memory address limitation on 32-bit Windows
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:
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-
-
•
This motherboard does not support DIMMs made up of 512 Mb (64 MB) 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 2.5 Ai Tweaker menu for manual memory
frequency adjustment.
•
Memory modules with memory frequency higher than 2133MHz and their
corresponding timing or the loaded XMP profile is not the JEDEC memory standard.
The stability and compatibility of the memory modules depend on the CPU's
capabilities and other installed devices.
•
For system stability, use a more efficient memory cooling system to support a full
memory load (4 DIMMs).
•
ASUS exclusively provides hyper DIMM support function.
•
Hyper DIMM support is subject to the physical characteristics of individual CPUs. Load
the X.M.P. or D.O.C.P. settings in the BIOS for the hyper DIMM support.
•
Visit the ASUS website for the latest QVL.
ASUS Z97-E/USB 3.1
Use a maximum of 3 GB system memory if you are using a 32-bit Windows
I nstall a 64-bit Windows
®
motherboard.
F or more details, refer to the Microsoft
com/kb/929605/en-us.
OS if you want to install 4GB or more on the
support site at http://support.microsoft.
®
OS, when you install 4GB
®
®
OS.
1-9
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