Memory Configurations - Asus P7P55 LX JOOYON SI User Manual

1.7.2

Memory configurations

You may install 512MB, 1GB, 2GB, and 4GB unbuffered non-ECC DDR3 DIMMs into the
DIMM sockets.
• You may install varying memory sizes in Channel A and Channel B. The system maps
• Due to Intel spec definition, X.M.P. DIMMs are supported for one DIMM per channel
• According to Intel CPU spec, DIMM voltage below 1.65V is recommended to protect the
• According to Intel CPU spec, CPUs with a core frequency of 2.66GHz support the
• Always install DIMMs with the same CAS latency. For optimum compatibility, we
• Due to the memory address limitation on 32-bit Windows
• 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
• For system stability, use a more efficient memory cooling system to support a full
P7P55 LX Motherboard Qualified Vendors Lists (QVL)
DDR3 2200 (O.C.) MHz capability
Vendor Part No.
G.SKILL F3-17600CL8D-4GBPS(XMP) 4096MB(Kit of 2) DS
G.SKILL F3-17600CL9T-6GBPS
1-14
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.
only.
CPU.
maximum DIMM frequency of up to DDR3 1333. To use DIMMs of a higher frequency
with a 2.66GHz CPU, enable the DRAM O.C. Profile feature in BIOS. Refer to section
2.4 Ai Overclock Tuner for details.
recommend that you obtain memory modules from the same vendor.
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
- Install a 64-bit Windows
motherboard.
(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 Ai Tweaker menu for manual memory frequency adjustment.
memory load (4 DIMMs) or overclocking condition.
Size
6144MB(Kit of 3) DS
OS when you want to install 4GB or more on the
®
SS/ Chip Chip NO.
DS Brand
N/A Heat-Sink Package 8-8-8-24(1333-9-
N/A Heat-Sink Package 9-9-9-24
OS, when you install 4GB
®
CL Voltage DIMM socket
support (Optional)
A*
1.65V •
9-9-24)
1.65V •
Chapter 1: Product introduction
OS.
®
B* C*
•