Asus P7Q57-M DO/CSM Specifications download pdf (Page 14)

1.4.2 Memory congurations

You may install 1GB, 2GB, and 4GB unbuffered non-ECC DDR3 DIMMs into the DIMM

sockets.

P7Q57-M DO Motherboard Qualied Vendors List (QVL)

DDR3-1333MHz capability

• 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.

• For dual-channel conguration, you can:

- install two identical DIMMs in DIMM_A1 and DIMM_B1; or

- install four identical DIMMs in all four slots; or

- install one identical DIMM pair in DIMM_A1 and DIMM_B1 (blue slots) and

another identical DIMM pair in DIMM_A2 and DIMM_B2 (black slots).

• Due to the memory address limitation on the 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 either of the

following:

- Install a maximum of 3GB system memory if you are using a 32-bit Windows

OS.

- Use a 64-bit Windows

OS if you want to install 4GB or more memory on the

motherboard.

• This motherboard does not support DIMMs made up of 256 megabits (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.

• For system stability, use a more efcient cooling system to support a full memory load (4

DIMMs) or overclocking conditions.

continued on the next page

Vendor Part No. Size

SS/

Chip Brand Chip No.

Timing

DIMM

(BIOS)

Voltage

DIMM

Support

A* B* C*

A-Data AD31333001GOU 1024MB SS A-Data AD30908C8D-151C E0906 - - • •

A-Data AD31333G001GOU 3072MB(Kit of 3) SS - - 8-8-8-24 1.65-1.85V • •

A-Data AD31333002GOU 2048MB DS A-Data AD30908C8D-151C E0903 - - • •

A-Data AD31333G002GMU 2048MB DS - - 8-8-8-24 1.65-1.85V • •

Apacer 78.A1GC6.9L1 2048MB DS APACER AM5D5808DEWSBG - - • •

CORSAIR CM3X1024-1333C9DHX 1024MB SS - - 9-9-9-24 1.60V • •

CORSAIR CM3X1024-1333C9 1024MB SS - - - - • •

CORSAIR TR3X3G1333C9 G 3072MB(Kit of 3) SS - - 9-9-9-24 1.50V • •

CORSAIR TR3X3G1333C9 3072MB(Kit of 3) SS - - 9 1.5V • •

CORSAIR CM3X1024-1333C9DHX 1024MB DS Corsair - - - • •

Chapter 1: Product introduction1-4

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Asus P7Q57-M DO/CSM Specifications Page 14

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