Asus M4A78LT-M User Manual download pdf (Page 21)

3. Align the other end of the retention bracket to the retention module base. A clicking

sound denotes that the retention bracket is in place.

Ensure that the fan and heatsink assembly perfectly ts the retention mechanism module

base, otherwise you cannot snap the retention bracket in place.

4. Push down the retention bracket lock on the retention mechanism to secure the

heatsink and fan to the module base.

5. When the fan and heatsink assembly is in place, connect the CPU fan cable to the

connector on the motherboard labeled CPU_FAN.

DO NOT forget to connect the CPU fan connector! Hardware monitoring errors can occur if

you fail to plug this connector.

1.7 System memory

1.7.1 Overview

The motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Modules

(DIMM) sockets. The gure illustrates the location of the DDR3 DIMM sockets:

M4A78LT-M

M4A78LT-M 240-pin DDR3 DIMM sockets

DIMM_A1

DIMM_B1

DIMM_A2

DIMM_B2

Channel Sockets

Channel A DIMM_A1 and DIMM_A2

Channel B DIMM_B1 and DIMM_B2

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Asus M4A78LT-M User Manual Page 21