Asus P8H77I manual System memory, Overview, P8H77-I 240-pin DDR3 Dimm sockets

4.Carefully remove the heatsink and fan assembly from the motherboard.

5.Rotate each fastener clockwise to ensure correct orientation when reinstalling.

1.7System memory

1.7.1Overview

The motherboard comes with two 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:

DIMM_B1

DIMM_A1

I-P8H77

Channel	Sockets
Channel A	DIMM_A1
Channel B	DIMM_B1

P8H77-I 240-pin DDR3 DIMM sockets

1-14 Chapter 1: Product introduction