Asus F2A85-V PRO Computer Hardware User Manual


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2-6 Chapter 2: Hardware information
Chapter 2
Memory congurations
You may install 1GB, 2GB, 4GB and 8GB 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
3.4 Ai Tweaker menu
for manual memory frequency
adjustment.
• For system stability, use a more efcient memory cooling system to support a full
memory load (4 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 conguration. Any excess
memory from the higher-sized channel is then mapped for single-channel operation.
• We recommend that you install the memory modules from the blue slots for better
overclocking capability.
• 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 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.
For more details, refer to the Microsoft
®
support site at
http://support.microsoft.com/kb/929605/en-us.
• This motherboard does not support DIMMs made up of 512Mb (64MB) chips or less
(Memory chip capacity counts in Megabit, 8 Megabit/Mb = 1 Megabyte/MB).
F2A85-V PRO Motherboard Qualied Vendors Lists (QVL)
DDR3 2400 (O.C.) MHz capability
Vendors Part No. Size
SS/
DS
Chip
Brand
Chip NO. Timing Voltage
DIMM socket support
(Optional)
1 DIMM 2 DIMMs 4 DIMMs
G.SKILL F3-19200CL9D-4GBPIS(XMP) 4GB(2x 2GB) DS - - 9-11-9-28 1.65V ● ●
Kingmax FLLE88F-C8KKAA HAIS(XMP) 2GB SS - - 10-11-10-30 1.8V ● ● ●
Team TXD34096M2400HC9N-L 4GB DS
SEC 128
HCH9
K4B2G0846D 9-11-11-28 1.65V ● ●
Team TXD34096M2400HC9N-L 4GB DS
SEC 128
HCH9
K4B2G0846D 9-11-11-28 1.65V ● ●
DDR3 2250 (O.C.) MHz capability
Vendors Part No. Size SS/DS
Chip
Brand
Chip NO. Timing Voltage
DIMM socket support
(Optional)
1 DIMM 2 DIMMs 4 DIMMs
Kingston KHX2250C9D3T1K2/4GX(XMP) 4GB(2x 2GB) DS - - - 1.65V ● ● ●
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