Asus P8H77-M - Manual (Page 27)

ASUS P8H77-M 1-15
1.7 System memory
1.7.1 Overview
The motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Modules
(DIMM) sockets.
A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched
differently to prevent installation on a DDR2 DIMM socket. DDR3 modules are developed for
better performance with less power consumption.
The figure illustrates the location of the DDR3 DIMM sockets:
Channel Sockets
Channel A DIMM_A1 and DIMM_A2
Channel B DIMM_B1 and DIMM_B2
P8H77-M
P8H77-M 240-pin DDR3 DIMM sockets
DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2
Recommended memory configurations
One DIMM:
We recommend you install one memory module in either of the blue slots (DIMM_A2 or
DIMM_B2) to get better performance.
Two DIMMs (dual-channel operation):
Four DIMMs (dual-channel operation):