Asus A88X-PLUS Benutzerhandbuch - Seite 18

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1.4

System memory

Overview
This motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Module
(DIMM) sockets. The figure illustrates the location of the DDR3 DIMM sockets:
•
•
•
•
•
•
1-10
DIMM_A1
DIMM_A2
DIMM_B1
DIMM_B2
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:
-
Use a maximum of 3GB 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.
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.
For system stability, use a more efficient memory cooling system to support a full
memory load (4 DIMMs).
Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List)
Channel
Channel A
Channel B
OS if you want to install 4GB or more on the
®
support site at http://support.microsoft.
®
Chapter 1: Product introduction
Sockets
DIMM_A1 & DIMM_A2
DIMM_B1 & DIMM_B2
OS, when you install 4GB
®
OS.
®