Asus M3N78-VM - Manual (Page 27)

ASUS M3N78-VM 1-15
• When using only one memory module, start installing the DDR2 DIMM from
slot DIMM_A1 or DIMM_B1 for better overclocking capability.
• For dual-channel configuration (2), you may:
- install identical DIMMs in all four sockets OR
- install identical DIMM pair in DIMM_A1 and DIMM_B1 (yellow sockets)
and another identical DIMM pair in DIMM_A2 and DIMM_B2 (black
sockets)
• Due to the chipset’s limitation, the 1066 MHz memory modules run at 1066
MHz only when:
- two 1066 MHz memory modules installed in the same colored-slots
(either in the yellow slots or black slots); and
- one 1066 MHz memory module installed in any of the slots.
In other cases, the 1066 MHz memory modules can only run at
800 MHz.
• Always use identical DDR2 DIMM pairs for dual channel mode. For
optimum compatibility, we recommend that you obtain memory modules
from the same vendor.
• If you are using a Windows 32-bit version operating system (e.g. 32-bit
Windows, 32-bit Vista) without the Physical Address Extension (PAE)
support, the system will allocate a certain amount of memory space for
system devices.
• We recommend that you install only a maximum of 3GB system memory
when using a Windows 32-bit version operating system without the PAE.
The excess over 3GB of installed memory will not cause any problem;
however, the system can not use this excess memory space and the
system will display less than the total size of physical memory installed.
64-bit
Windows ® XP Professional x64 Edition
Windows ® Vista x64 Edition
The motherboard can support 8 GB physical memory on the operating system
listed below. You may install a maximum of 2 GB DIMMs on each slot.