Memory Configurations - Asus P5QL-VM - DO/CSM Micro ATX Motherboard User Manual

1.4.2

Memory configurations

You may install a 512MB, 1GB, 2GB, and 4GB unbuffered non-ECC DDR2 DIMM into the
DIMM socket.
• You may install varying memory sizes in Channel A and Channel B. The system maps
• For dual-channel configuration, you can:
• Due to the memory address limitation on the 32-bit Windows
• This motherboard does not support DIMMs made up of 256 megabits (Mb) chips or less.
• This motherboard supports up to 16GB on Windows
• The default memory operation frequency is dependent on its Serial Presence Detect
• For system stability, use a more efficient cooling system to support a full memory load (4
P5Q-VM DO Motherboard Qualified Vendors List (QVL)
DDR2-800MHz capability
Vendor Part No.
A-Data AD2800E001G0U
A-Data M2GVD6G314170Q1E58
A-Data AD2800002GMU
A-Data AD2800E002GOU
Apacer 78.91G91.9K5
Apacer 78.01GA0.9L5
Corsair CM2X1024-6400
Corsair XMS2-6400
1-4
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.
- 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 (yellow slots) and
another identical DIMM pair in DIMM_A2 and DIMM_B2 (black slots).
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
motherboard.
Windows Vista x64 editions. You may install a maximum of 4GB DIMMs on each slot.
®
(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.
DIMMs) or overclocking conditions.
Size
2048MB(Kit of 2)
1024MB
2048MB
4096MB(Kit of 2)
512MB
1024MB
1024MB
1024MB
continued on the next page
OS if you want to install 4GB or more memory on the
®
indows
. You may install a maximum of 4GB DIMMs on each slot.
SS/ Chip
Chip No.
DS Brand
SS N/A Heat-Sink Package
DS VDATA VD29608A8A-25EG80813
DS Hynix Heat-Sink Package
DS N/A Heat-Sink Package
SS Apacer AM4B5708JQJS8E0751C
SS Apacer AM4B5808FEWS8E0909C
DS Corsair Heat-Sink Package
DS Corsair Heat-Sink Package
OS, when you install
®
XP Professional x64 and
®
Timing
DIMM Voltage
(BIOS)
4-4-4-12 2.0~2.1V
4-4-4-12 1.9~2.1V
5
5
4
Chapter 1: Product introduction
®
DIMM Support
A* B* C*
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